From 2e351cbe8e190271b3716284fc1076551d005472 Mon Sep 17 00:00:00 2001
From: Michael D Kinney <michael.d.kinney@intel.com>
Date: Wed, 3 Apr 2019 16:03:11 -0700
Subject: BaseTools: Replace BSD License with BSD+Patent License

https://bugzilla.tianocore.org/show_bug.cgi?id=1373

Replace BSD 2-Clause License with BSD+Patent License.  This change is
based on the following emails:

  https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html
  https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html

RFCs with detailed process for the license change:

  V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html
  V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html
  V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Bob Feng <bob.c.feng@intel.com>
---
 BaseTools/Source/Python/AutoGen/AutoGen.py                       | 8 +-------
 BaseTools/Source/Python/AutoGen/BuildEngine.py                   | 8 +-------
 BaseTools/Source/Python/AutoGen/GenC.py                          | 8 +-------
 BaseTools/Source/Python/AutoGen/GenDepex.py                      | 8 +-------
 BaseTools/Source/Python/AutoGen/GenMake.py                       | 8 +-------
 BaseTools/Source/Python/AutoGen/GenPcdDb.py                      | 8 +-------
 BaseTools/Source/Python/AutoGen/GenVar.py                        | 8 +-------
 BaseTools/Source/Python/AutoGen/IdfClassObject.py                | 8 +-------
 BaseTools/Source/Python/AutoGen/InfSectionParser.py              | 8 +-------
 BaseTools/Source/Python/AutoGen/StrGather.py                     | 8 +-------
 BaseTools/Source/Python/AutoGen/UniClassObject.py                | 8 +-------
 BaseTools/Source/Python/AutoGen/ValidCheckingInfoObject.py       | 8 +-------
 BaseTools/Source/Python/AutoGen/__init__.py                      | 8 +-------
 BaseTools/Source/Python/BPDG/BPDG.py                             | 8 +-------
 BaseTools/Source/Python/BPDG/GenVpd.py                           | 8 +-------
 BaseTools/Source/Python/BPDG/StringTable.py                      | 8 +-------
 BaseTools/Source/Python/BPDG/__init__.py                         | 8 +-------
 BaseTools/Source/Python/Capsule/GenerateCapsule.py               | 8 +-------
 BaseTools/Source/Python/Common/BuildToolError.py                 | 8 +-------
 BaseTools/Source/Python/Common/BuildVersion.py                   | 8 +-------
 BaseTools/Source/Python/Common/DataType.py                       | 8 +-------
 BaseTools/Source/Python/Common/Edk2/Capsule/FmpPayloadHeader.py  | 8 +-------
 BaseTools/Source/Python/Common/Edk2/Capsule/__init__.py          | 8 +-------
 BaseTools/Source/Python/Common/Edk2/__init__.py                  | 8 +-------
 BaseTools/Source/Python/Common/EdkLogger.py                      | 8 +-------
 BaseTools/Source/Python/Common/Expression.py                     | 8 +-------
 BaseTools/Source/Python/Common/GlobalData.py                     | 8 +-------
 BaseTools/Source/Python/Common/LongFilePathOs.py                 | 8 +-------
 BaseTools/Source/Python/Common/LongFilePathOsPath.py             | 8 +-------
 BaseTools/Source/Python/Common/LongFilePathSupport.py            | 8 +-------
 BaseTools/Source/Python/Common/Misc.py                           | 8 +-------
 BaseTools/Source/Python/Common/MultipleWorkspace.py              | 8 +-------
 BaseTools/Source/Python/Common/Parsing.py                        | 8 +-------
 BaseTools/Source/Python/Common/RangeExpression.py                | 8 +-------
 BaseTools/Source/Python/Common/StringUtils.py                    | 8 +-------
 BaseTools/Source/Python/Common/TargetTxtClassObject.py           | 8 +-------
 BaseTools/Source/Python/Common/ToolDefClassObject.py             | 8 +-------
 BaseTools/Source/Python/Common/Uefi/Capsule/FmpAuthHeader.py     | 8 +-------
 BaseTools/Source/Python/Common/Uefi/Capsule/FmpCapsuleHeader.py  | 8 +-------
 BaseTools/Source/Python/Common/Uefi/Capsule/UefiCapsuleHeader.py | 8 +-------
 BaseTools/Source/Python/Common/Uefi/Capsule/__init__.py          | 8 +-------
 BaseTools/Source/Python/Common/Uefi/__init__.py                  | 8 +-------
 BaseTools/Source/Python/Common/VariableAttributes.py             | 8 +-------
 BaseTools/Source/Python/Common/VpdInfoFile.py                    | 8 +-------
 BaseTools/Source/Python/Common/__init__.py                       | 8 +-------
 BaseTools/Source/Python/Common/caching.py                        | 8 +-------
 BaseTools/Source/Python/CommonDataClass/CommonClass.py           | 8 +-------
 BaseTools/Source/Python/CommonDataClass/DataClass.py             | 8 +-------
 BaseTools/Source/Python/CommonDataClass/Exceptions.py            | 8 +-------
 BaseTools/Source/Python/CommonDataClass/FdfClass.py              | 8 +-------
 BaseTools/Source/Python/CommonDataClass/__init__.py              | 8 +-------
 BaseTools/Source/Python/Ecc/C.g                                  | 8 +-------
 BaseTools/Source/Python/Ecc/CParser3/CLexer.py                   | 8 +-------
 BaseTools/Source/Python/Ecc/CParser3/CParser.py                  | 8 +-------
 BaseTools/Source/Python/Ecc/CParser4/C.g4                        | 8 +-------
 BaseTools/Source/Python/Ecc/CParser4/CLexer.py                   | 8 +-------
 BaseTools/Source/Python/Ecc/CParser4/CListener.py                | 8 +-------
 BaseTools/Source/Python/Ecc/CParser4/CParser.py                  | 8 +-------
 BaseTools/Source/Python/Ecc/Check.py                             | 8 +-------
 BaseTools/Source/Python/Ecc/CodeFragment.py                      | 8 +-------
 BaseTools/Source/Python/Ecc/CodeFragmentCollector.py             | 8 +-------
 BaseTools/Source/Python/Ecc/Configuration.py                     | 8 +-------
 BaseTools/Source/Python/Ecc/Database.py                          | 8 +-------
 BaseTools/Source/Python/Ecc/EccGlobalData.py                     | 8 +-------
 BaseTools/Source/Python/Ecc/EccMain.py                           | 8 +-------
 BaseTools/Source/Python/Ecc/EccToolError.py                      | 8 +-------
 BaseTools/Source/Python/Ecc/Exception.py                         | 8 +-------
 BaseTools/Source/Python/Ecc/FileProfile.py                       | 8 +-------
 BaseTools/Source/Python/Ecc/MetaDataParser.py                    | 8 +-------
 BaseTools/Source/Python/Ecc/MetaFileWorkspace/MetaDataTable.py   | 8 +-------
 BaseTools/Source/Python/Ecc/MetaFileWorkspace/MetaFileParser.py  | 8 +-------
 BaseTools/Source/Python/Ecc/MetaFileWorkspace/MetaFileTable.py   | 8 +-------
 BaseTools/Source/Python/Ecc/MetaFileWorkspace/__init__.py        | 8 +-------
 BaseTools/Source/Python/Ecc/ParserWarning.py                     | 8 +-------
 BaseTools/Source/Python/Ecc/Xml/XmlRoutines.py                   | 8 +-------
 BaseTools/Source/Python/Ecc/Xml/__init__.py                      | 8 +-------
 BaseTools/Source/Python/Ecc/__init__.py                          | 8 +-------
 BaseTools/Source/Python/Ecc/c.py                                 | 8 +-------
 BaseTools/Source/Python/Ecc/config.ini                           | 8 +-------
 BaseTools/Source/Python/Ecc/exception.xml                        | 6 +-----
 BaseTools/Source/Python/Eot/CParser3/CLexer.py                   | 8 +-------
 BaseTools/Source/Python/Eot/CParser3/CParser.py                  | 8 +-------
 BaseTools/Source/Python/Eot/CParser4/CLexer.py                   | 8 +-------
 BaseTools/Source/Python/Eot/CParser4/CListener.py                | 8 +-------
 BaseTools/Source/Python/Eot/CParser4/CParser.py                  | 8 +-------
 BaseTools/Source/Python/Eot/CodeFragment.py                      | 8 +-------
 BaseTools/Source/Python/Eot/CodeFragmentCollector.py             | 8 +-------
 BaseTools/Source/Python/Eot/Database.py                          | 8 +-------
 BaseTools/Source/Python/Eot/EotGlobalData.py                     | 8 +-------
 BaseTools/Source/Python/Eot/EotMain.py                           | 8 +-------
 BaseTools/Source/Python/Eot/EotToolError.py                      | 8 +-------
 BaseTools/Source/Python/Eot/FileProfile.py                       | 8 +-------
 BaseTools/Source/Python/Eot/Identification.py                    | 8 +-------
 BaseTools/Source/Python/Eot/InfParserLite.py                     | 8 +-------
 BaseTools/Source/Python/Eot/Parser.py                            | 8 +-------
 BaseTools/Source/Python/Eot/ParserWarning.py                     | 8 +-------
 BaseTools/Source/Python/Eot/Report.py                            | 8 +-------
 BaseTools/Source/Python/Eot/__init__.py                          | 8 +-------
 BaseTools/Source/Python/Eot/c.py                                 | 8 +-------
 BaseTools/Source/Python/GNUmakefile                              | 8 +-------
 BaseTools/Source/Python/GenFds/AprioriSection.py                 | 8 +-------
 BaseTools/Source/Python/GenFds/Capsule.py                        | 8 +-------
 BaseTools/Source/Python/GenFds/CapsuleData.py                    | 8 +-------
 BaseTools/Source/Python/GenFds/CompressSection.py                | 8 +-------
 BaseTools/Source/Python/GenFds/DataSection.py                    | 8 +-------
 BaseTools/Source/Python/GenFds/DepexSection.py                   | 8 +-------
 BaseTools/Source/Python/GenFds/EfiSection.py                     | 8 +-------
 BaseTools/Source/Python/GenFds/Fd.py                             | 8 +-------
 BaseTools/Source/Python/GenFds/FdfParser.py                      | 8 +-------
 BaseTools/Source/Python/GenFds/Ffs.py                            | 8 +-------
 BaseTools/Source/Python/GenFds/FfsFileStatement.py               | 8 +-------
 BaseTools/Source/Python/GenFds/FfsInfStatement.py                | 8 +-------
 BaseTools/Source/Python/GenFds/Fv.py                             | 8 +-------
 BaseTools/Source/Python/GenFds/FvImageSection.py                 | 8 +-------
 BaseTools/Source/Python/GenFds/GenFds.py                         | 8 +-------
 BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py           | 8 +-------
 BaseTools/Source/Python/GenFds/GuidSection.py                    | 8 +-------
 BaseTools/Source/Python/GenFds/OptRomFileStatement.py            | 8 +-------
 BaseTools/Source/Python/GenFds/OptRomInfStatement.py             | 8 +-------
 BaseTools/Source/Python/GenFds/OptionRom.py                      | 8 +-------
 BaseTools/Source/Python/GenFds/Region.py                         | 8 +-------
 BaseTools/Source/Python/GenFds/Rule.py                           | 8 +-------
 BaseTools/Source/Python/GenFds/RuleComplexFile.py                | 8 +-------
 BaseTools/Source/Python/GenFds/RuleSimpleFile.py                 | 8 +-------
 BaseTools/Source/Python/GenFds/Section.py                        | 8 +-------
 BaseTools/Source/Python/GenFds/UiSection.py                      | 8 +-------
 BaseTools/Source/Python/GenFds/VerSection.py                     | 8 +-------
 BaseTools/Source/Python/GenFds/__init__.py                       | 8 +-------
 BaseTools/Source/Python/GenPatchPcdTable/GenPatchPcdTable.py     | 8 +-------
 BaseTools/Source/Python/GenPatchPcdTable/__init__.py             | 8 +-------
 BaseTools/Source/Python/Makefile                                 | 8 +-------
 BaseTools/Source/Python/PatchPcdValue/PatchPcdValue.py           | 8 +-------
 BaseTools/Source/Python/PatchPcdValue/__init__.py                | 8 +-------
 BaseTools/Source/Python/Pkcs7Sign/Pkcs7Sign.py                   | 8 +-------
 .../Source/Python/Rsa2048Sha256Sign/Rsa2048Sha256GenerateKeys.py | 8 +-------
 BaseTools/Source/Python/Rsa2048Sha256Sign/Rsa2048Sha256Sign.py   | 8 +-------
 BaseTools/Source/Python/Table/Table.py                           | 8 +-------
 BaseTools/Source/Python/Table/TableDataModel.py                  | 8 +-------
 BaseTools/Source/Python/Table/TableDec.py                        | 8 +-------
 BaseTools/Source/Python/Table/TableDsc.py                        | 8 +-------
 BaseTools/Source/Python/Table/TableEotReport.py                  | 8 +-------
 BaseTools/Source/Python/Table/TableFdf.py                        | 8 +-------
 BaseTools/Source/Python/Table/TableFile.py                       | 8 +-------
 BaseTools/Source/Python/Table/TableFunction.py                   | 8 +-------
 BaseTools/Source/Python/Table/TableIdentifier.py                 | 8 +-------
 BaseTools/Source/Python/Table/TableInf.py                        | 8 +-------
 BaseTools/Source/Python/Table/TablePcd.py                        | 8 +-------
 BaseTools/Source/Python/Table/TableQuery.py                      | 8 +-------
 BaseTools/Source/Python/Table/TableReport.py                     | 8 +-------
 BaseTools/Source/Python/Table/__init__.py                        | 8 +-------
 BaseTools/Source/Python/TargetTool/TargetTool.py                 | 8 +-------
 BaseTools/Source/Python/TargetTool/__init__.py                   | 8 +-------
 BaseTools/Source/Python/Trim/Trim.py                             | 8 +-------
 BaseTools/Source/Python/UPT/BuildVersion.py                      | 8 +-------
 BaseTools/Source/Python/UPT/Core/DependencyRules.py              | 9 +--------
 BaseTools/Source/Python/UPT/Core/DistributionPackageClass.py     | 8 +-------
 BaseTools/Source/Python/UPT/Core/FileHook.py                     | 8 +-------
 BaseTools/Source/Python/UPT/Core/IpiDb.py                        | 8 +-------
 BaseTools/Source/Python/UPT/Core/PackageFile.py                  | 8 +-------
 BaseTools/Source/Python/UPT/Core/__init__.py                     | 8 +-------
 BaseTools/Source/Python/UPT/GenMetaFile/GenDecFile.py            | 8 +-------
 BaseTools/Source/Python/UPT/GenMetaFile/GenInfFile.py            | 8 +-------
 BaseTools/Source/Python/UPT/GenMetaFile/GenMetaFileMisc.py       | 8 +-------
 BaseTools/Source/Python/UPT/GenMetaFile/GenXmlFile.py            | 8 +-------
 BaseTools/Source/Python/UPT/GenMetaFile/__init__.py              | 8 +-------
 BaseTools/Source/Python/UPT/InstallPkg.py                        | 8 +-------
 BaseTools/Source/Python/UPT/InventoryWs.py                       | 8 +-------
 BaseTools/Source/Python/UPT/Library/CommentGenerating.py         | 8 +-------
 BaseTools/Source/Python/UPT/Library/CommentParsing.py            | 8 +-------
 BaseTools/Source/Python/UPT/Library/DataType.py                  | 8 +-------
 BaseTools/Source/Python/UPT/Library/ExpressionValidate.py        | 8 +-------
 BaseTools/Source/Python/UPT/Library/GlobalData.py                | 8 +-------
 BaseTools/Source/Python/UPT/Library/Misc.py                      | 8 +-------
 BaseTools/Source/Python/UPT/Library/ParserValidate.py            | 8 +-------
 BaseTools/Source/Python/UPT/Library/Parsing.py                   | 8 +-------
 BaseTools/Source/Python/UPT/Library/StringUtils.py               | 8 +-------
 BaseTools/Source/Python/UPT/Library/UniClassObject.py            | 8 +-------
 BaseTools/Source/Python/UPT/Library/Xml/XmlRoutines.py           | 8 +-------
 BaseTools/Source/Python/UPT/Library/Xml/__init__.py              | 8 +-------
 BaseTools/Source/Python/UPT/Library/__init__.py                  | 8 +-------
 BaseTools/Source/Python/UPT/Logger/Log.py                        | 8 +-------
 BaseTools/Source/Python/UPT/Logger/StringTable.py                | 8 +-------
 BaseTools/Source/Python/UPT/Logger/ToolError.py                  | 8 +-------
 BaseTools/Source/Python/UPT/Logger/__init__.py                   | 8 +-------
 BaseTools/Source/Python/UPT/MkPkg.py                             | 8 +-------
 BaseTools/Source/Python/UPT/Object/POM/CommonObject.py           | 8 +-------
 BaseTools/Source/Python/UPT/Object/POM/ModuleObject.py           | 8 +-------
 BaseTools/Source/Python/UPT/Object/POM/PackageObject.py          | 8 +-------
 BaseTools/Source/Python/UPT/Object/POM/__init__.py               | 8 +-------
 BaseTools/Source/Python/UPT/Object/Parser/DecObject.py           | 8 +-------
 BaseTools/Source/Python/UPT/Object/Parser/InfBinaryObject.py     | 8 +-------
 .../Source/Python/UPT/Object/Parser/InfBuildOptionObject.py      | 8 +-------
 BaseTools/Source/Python/UPT/Object/Parser/InfCommonObject.py     | 8 +-------
 .../Source/Python/UPT/Object/Parser/InfDefineCommonObject.py     | 8 +-------
 BaseTools/Source/Python/UPT/Object/Parser/InfDefineObject.py     | 8 +-------
 BaseTools/Source/Python/UPT/Object/Parser/InfDepexObject.py      | 8 +-------
 BaseTools/Source/Python/UPT/Object/Parser/InfGuidObject.py       | 8 +-------
 BaseTools/Source/Python/UPT/Object/Parser/InfHeaderObject.py     | 8 +-------
 .../Source/Python/UPT/Object/Parser/InfLibraryClassesObject.py   | 8 +-------
 BaseTools/Source/Python/UPT/Object/Parser/InfMisc.py             | 8 +-------
 BaseTools/Source/Python/UPT/Object/Parser/InfPackagesObject.py   | 8 +-------
 BaseTools/Source/Python/UPT/Object/Parser/InfPcdObject.py        | 8 +-------
 BaseTools/Source/Python/UPT/Object/Parser/InfPpiObject.py        | 8 +-------
 BaseTools/Source/Python/UPT/Object/Parser/InfProtocolObject.py   | 8 +-------
 BaseTools/Source/Python/UPT/Object/Parser/InfSoucesObject.py     | 8 +-------
 .../Source/Python/UPT/Object/Parser/InfUserExtensionObject.py    | 8 +-------
 BaseTools/Source/Python/UPT/Object/Parser/__init__.py            | 8 +-------
 BaseTools/Source/Python/UPT/Object/__init__.py                   | 8 +-------
 BaseTools/Source/Python/UPT/Parser/DecParser.py                  | 8 +-------
 BaseTools/Source/Python/UPT/Parser/DecParserMisc.py              | 8 +-------
 BaseTools/Source/Python/UPT/Parser/InfAsBuiltProcess.py          | 8 +-------
 BaseTools/Source/Python/UPT/Parser/InfBinarySectionParser.py     | 8 +-------
 .../Source/Python/UPT/Parser/InfBuildOptionSectionParser.py      | 8 +-------
 BaseTools/Source/Python/UPT/Parser/InfDefineSectionParser.py     | 8 +-------
 BaseTools/Source/Python/UPT/Parser/InfDepexSectionParser.py      | 8 +-------
 .../Source/Python/UPT/Parser/InfGuidPpiProtocolSectionParser.py  | 8 +-------
 BaseTools/Source/Python/UPT/Parser/InfLibrarySectionParser.py    | 8 +-------
 BaseTools/Source/Python/UPT/Parser/InfPackageSectionParser.py    | 8 +-------
 BaseTools/Source/Python/UPT/Parser/InfParser.py                  | 8 +-------
 BaseTools/Source/Python/UPT/Parser/InfParserMisc.py              | 8 +-------
 BaseTools/Source/Python/UPT/Parser/InfPcdSectionParser.py        | 8 +-------
 BaseTools/Source/Python/UPT/Parser/InfSectionParser.py           | 8 +-------
 BaseTools/Source/Python/UPT/Parser/InfSourceSectionParser.py     | 8 +-------
 BaseTools/Source/Python/UPT/Parser/__init__.py                   | 8 +-------
 BaseTools/Source/Python/UPT/PomAdapter/DecPomAlignment.py        | 8 +-------
 BaseTools/Source/Python/UPT/PomAdapter/InfPomAlignment.py        | 8 +-------
 BaseTools/Source/Python/UPT/PomAdapter/InfPomAlignmentMisc.py    | 8 +-------
 BaseTools/Source/Python/UPT/PomAdapter/__init__.py               | 8 +-------
 BaseTools/Source/Python/UPT/ReplacePkg.py                        | 8 +-------
 BaseTools/Source/Python/UPT/RmPkg.py                             | 8 +-------
 BaseTools/Source/Python/UPT/TestInstall.py                       | 8 +-------
 BaseTools/Source/Python/UPT/UPT.py                               | 8 +-------
 .../Source/Python/UPT/UnitTest/CommentGeneratingUnitTest.py      | 8 +-------
 BaseTools/Source/Python/UPT/UnitTest/CommentParsingUnitTest.py   | 8 +-------
 BaseTools/Source/Python/UPT/UnitTest/DecParserTest.py            | 8 +-------
 BaseTools/Source/Python/UPT/UnitTest/DecParserUnitTest.py        | 8 +-------
 BaseTools/Source/Python/UPT/UnitTest/InfBinarySectionTest.py     | 8 +-------
 BaseTools/Source/Python/UPT/Xml/CommonXml.py                     | 8 +-------
 BaseTools/Source/Python/UPT/Xml/GuidProtocolPpiXml.py            | 8 +-------
 BaseTools/Source/Python/UPT/Xml/IniToXml.py                      | 8 +-------
 BaseTools/Source/Python/UPT/Xml/ModuleSurfaceAreaXml.py          | 8 +-------
 BaseTools/Source/Python/UPT/Xml/PackageSurfaceAreaXml.py         | 8 +-------
 BaseTools/Source/Python/UPT/Xml/PcdXml.py                        | 8 +-------
 BaseTools/Source/Python/UPT/Xml/XmlParser.py                     | 8 +-------
 BaseTools/Source/Python/UPT/Xml/XmlParserMisc.py                 | 8 +-------
 BaseTools/Source/Python/UPT/Xml/__init__.py                      | 8 +-------
 BaseTools/Source/Python/Workspace/BuildClassObject.py            | 8 +-------
 BaseTools/Source/Python/Workspace/DecBuildData.py                | 8 +-------
 BaseTools/Source/Python/Workspace/DscBuildData.py                | 8 +-------
 BaseTools/Source/Python/Workspace/InfBuildData.py                | 8 +-------
 BaseTools/Source/Python/Workspace/MetaDataTable.py               | 8 +-------
 BaseTools/Source/Python/Workspace/MetaFileCommentParser.py       | 8 +-------
 BaseTools/Source/Python/Workspace/MetaFileParser.py              | 8 +-------
 BaseTools/Source/Python/Workspace/MetaFileTable.py               | 8 +-------
 BaseTools/Source/Python/Workspace/WorkspaceCommon.py             | 8 +-------
 BaseTools/Source/Python/Workspace/WorkspaceDatabase.py           | 8 +-------
 BaseTools/Source/Python/Workspace/__init__.py                    | 8 +-------
 BaseTools/Source/Python/build/BuildReport.py                     | 8 +-------
 BaseTools/Source/Python/build/__init__.py                        | 8 +-------
 BaseTools/Source/Python/build/build.py                           | 8 +-------
 BaseTools/Source/Python/sitecustomize.py                         | 8 +-------
 261 files changed, 261 insertions(+), 1826 deletions(-)

(limited to 'BaseTools/Source/Python')

diff --git a/BaseTools/Source/Python/AutoGen/AutoGen.py b/BaseTools/Source/Python/AutoGen/AutoGen.py
index 8c7c20a..711081e 100644
--- a/BaseTools/Source/Python/AutoGen/AutoGen.py
+++ b/BaseTools/Source/Python/AutoGen/AutoGen.py
@@ -5,13 +5,7 @@
 # Copyright (c) 2018, Hewlett Packard Enterprise Development, L.P.<BR>
 # Copyright (c) 2019, American Megatrends, Inc. All rights reserved.<BR>
 #
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ## Import Modules
diff --git a/BaseTools/Source/Python/AutoGen/BuildEngine.py b/BaseTools/Source/Python/AutoGen/BuildEngine.py
index 2cea97a..14e6114 100644
--- a/BaseTools/Source/Python/AutoGen/BuildEngine.py
+++ b/BaseTools/Source/Python/AutoGen/BuildEngine.py
@@ -2,13 +2,7 @@
 # The engine for building files
 #
 # Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/AutoGen/GenC.py b/BaseTools/Source/Python/AutoGen/GenC.py
index a922464..b527295 100644
--- a/BaseTools/Source/Python/AutoGen/GenC.py
+++ b/BaseTools/Source/Python/AutoGen/GenC.py
@@ -2,13 +2,7 @@
 # Routines for generating AutoGen.h and AutoGen.c
 #
 # Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ## Import Modules
diff --git a/BaseTools/Source/Python/AutoGen/GenDepex.py b/BaseTools/Source/Python/AutoGen/GenDepex.py
index c12b613..f2f2e9d 100644
--- a/BaseTools/Source/Python/AutoGen/GenDepex.py
+++ b/BaseTools/Source/Python/AutoGen/GenDepex.py
@@ -2,13 +2,7 @@
 # This file is used to generate DEPEX file for module's dependency expression
 #
 # Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.    The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 ## Import Modules
 #
diff --git a/BaseTools/Source/Python/AutoGen/GenMake.py b/BaseTools/Source/Python/AutoGen/GenMake.py
index b441817..724e64e 100644
--- a/BaseTools/Source/Python/AutoGen/GenMake.py
+++ b/BaseTools/Source/Python/AutoGen/GenMake.py
@@ -2,13 +2,7 @@
 # Create makefile for MS nmake and GNU make
 #
 # Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ## Import Modules
diff --git a/BaseTools/Source/Python/AutoGen/GenPcdDb.py b/BaseTools/Source/Python/AutoGen/GenPcdDb.py
index b3f4ccf..0870c44 100644
--- a/BaseTools/Source/Python/AutoGen/GenPcdDb.py
+++ b/BaseTools/Source/Python/AutoGen/GenPcdDb.py
@@ -2,13 +2,7 @@
 # Routines for generating Pcd Database
 #
 # Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 from __future__ import absolute_import
 from io import BytesIO
diff --git a/BaseTools/Source/Python/AutoGen/GenVar.py b/BaseTools/Source/Python/AutoGen/GenVar.py
index 453af66..591ef3d 100644
--- a/BaseTools/Source/Python/AutoGen/GenVar.py
+++ b/BaseTools/Source/Python/AutoGen/GenVar.py
@@ -1,11 +1,5 @@
 # Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 #
 # This file is used to collect the Variable checking information
diff --git a/BaseTools/Source/Python/AutoGen/IdfClassObject.py b/BaseTools/Source/Python/AutoGen/IdfClassObject.py
index b227b10..a6b8123 100644
--- a/BaseTools/Source/Python/AutoGen/IdfClassObject.py
+++ b/BaseTools/Source/Python/AutoGen/IdfClassObject.py
@@ -2,13 +2,7 @@
 # This file is used to collect all defined strings in Image Definition files
 #
 # Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 ##
 # Import Modules
diff --git a/BaseTools/Source/Python/AutoGen/InfSectionParser.py b/BaseTools/Source/Python/AutoGen/InfSectionParser.py
index 3337304..a55ddac 100644
--- a/BaseTools/Source/Python/AutoGen/InfSectionParser.py
+++ b/BaseTools/Source/Python/AutoGen/InfSectionParser.py
@@ -2,13 +2,7 @@
 # Parser a Inf file and Get specify section data.
 #
 # Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ## Import Modules
diff --git a/BaseTools/Source/Python/AutoGen/StrGather.py b/BaseTools/Source/Python/AutoGen/StrGather.py
index 680ec16..2e4671a 100644
--- a/BaseTools/Source/Python/AutoGen/StrGather.py
+++ b/BaseTools/Source/Python/AutoGen/StrGather.py
@@ -3,13 +3,7 @@
 # file.
 #
 # Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 ##
 # Import Modules
diff --git a/BaseTools/Source/Python/AutoGen/UniClassObject.py b/BaseTools/Source/Python/AutoGen/UniClassObject.py
index 5674adf..9f6a271 100644
--- a/BaseTools/Source/Python/AutoGen/UniClassObject.py
+++ b/BaseTools/Source/Python/AutoGen/UniClassObject.py
@@ -5,13 +5,7 @@
 # Copyright (c) 2014 Hewlett-Packard Development Company, L.P.<BR>
 #
 # Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 ##
 # Import Modules
diff --git a/BaseTools/Source/Python/AutoGen/ValidCheckingInfoObject.py b/BaseTools/Source/Python/AutoGen/ValidCheckingInfoObject.py
index 91c2de6..ad8c9b5 100644
--- a/BaseTools/Source/Python/AutoGen/ValidCheckingInfoObject.py
+++ b/BaseTools/Source/Python/AutoGen/ValidCheckingInfoObject.py
@@ -1,11 +1,5 @@
 # Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 #
 # This file is used to collect the Variable checking information
diff --git a/BaseTools/Source/Python/AutoGen/__init__.py b/BaseTools/Source/Python/AutoGen/__init__.py
index d2de425..47451c4 100644
--- a/BaseTools/Source/Python/AutoGen/__init__.py
+++ b/BaseTools/Source/Python/AutoGen/__init__.py
@@ -5,13 +5,7 @@
 # as containing package.
 #
 # Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 __all__ = ["AutoGen"]
diff --git a/BaseTools/Source/Python/BPDG/BPDG.py b/BaseTools/Source/Python/BPDG/BPDG.py
index c30e062..283e08a 100644
--- a/BaseTools/Source/Python/BPDG/BPDG.py
+++ b/BaseTools/Source/Python/BPDG/BPDG.py
@@ -8,13 +8,7 @@
 #
 #  Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/BPDG/GenVpd.py b/BaseTools/Source/Python/BPDG/GenVpd.py
index 09712be..887a0c4 100644
--- a/BaseTools/Source/Python/BPDG/GenVpd.py
+++ b/BaseTools/Source/Python/BPDG/GenVpd.py
@@ -4,13 +4,7 @@
 #
 #  Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 from __future__ import absolute_import
diff --git a/BaseTools/Source/Python/BPDG/StringTable.py b/BaseTools/Source/Python/BPDG/StringTable.py
index dc116f0..cd8b2d7 100644
--- a/BaseTools/Source/Python/BPDG/StringTable.py
+++ b/BaseTools/Source/Python/BPDG/StringTable.py
@@ -2,13 +2,7 @@
 # This file is used to define strings used in the BPDG tool
 #
 # Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 ##
 
 
diff --git a/BaseTools/Source/Python/BPDG/__init__.py b/BaseTools/Source/Python/BPDG/__init__.py
index 358945c..ea120ab 100644
--- a/BaseTools/Source/Python/BPDG/__init__.py
+++ b/BaseTools/Source/Python/BPDG/__init__.py
@@ -5,11 +5,5 @@
 # as containing package.
 #
 # Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
diff --git a/BaseTools/Source/Python/Capsule/GenerateCapsule.py b/BaseTools/Source/Python/Capsule/GenerateCapsule.py
index 5ce5dae..ab1c811 100644
--- a/BaseTools/Source/Python/Capsule/GenerateCapsule.py
+++ b/BaseTools/Source/Python/Capsule/GenerateCapsule.py
@@ -13,13 +13,7 @@
 #   * Do not support vendor code bytes in a capsule.
 #
 # Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/Common/BuildToolError.py b/BaseTools/Source/Python/Common/BuildToolError.py
index 09582b9..ecc83d0 100644
--- a/BaseTools/Source/Python/Common/BuildToolError.py
+++ b/BaseTools/Source/Python/Common/BuildToolError.py
@@ -2,13 +2,7 @@
 # Standardized Error Handling infrastructures.
 #
 # Copyright (c) 2007 - 2016, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 FILE_OPEN_FAILURE = 1
diff --git a/BaseTools/Source/Python/Common/BuildVersion.py b/BaseTools/Source/Python/Common/BuildVersion.py
index c889dea..088609f 100644
--- a/BaseTools/Source/Python/Common/BuildVersion.py
+++ b/BaseTools/Source/Python/Common/BuildVersion.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 gBUILD_VERSION = "Developer Build based on Revision: Unknown"
diff --git a/BaseTools/Source/Python/Common/DataType.py b/BaseTools/Source/Python/Common/DataType.py
index 685f428..780711b 100644
--- a/BaseTools/Source/Python/Common/DataType.py
+++ b/BaseTools/Source/Python/Common/DataType.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 # Portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 ##
 # Common Definitions
diff --git a/BaseTools/Source/Python/Common/Edk2/Capsule/FmpPayloadHeader.py b/BaseTools/Source/Python/Common/Edk2/Capsule/FmpPayloadHeader.py
index 0ed5175..ddc142c 100644
--- a/BaseTools/Source/Python/Common/Edk2/Capsule/FmpPayloadHeader.py
+++ b/BaseTools/Source/Python/Common/Edk2/Capsule/FmpPayloadHeader.py
@@ -4,13 +4,7 @@
 # FmpDevicePkg.
 #
 # Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/Common/Edk2/Capsule/__init__.py b/BaseTools/Source/Python/Common/Edk2/Capsule/__init__.py
index 71c6f06..1e69fca 100644
--- a/BaseTools/Source/Python/Common/Edk2/Capsule/__init__.py
+++ b/BaseTools/Source/Python/Common/Edk2/Capsule/__init__.py
@@ -5,11 +5,5 @@
 # as containing package.
 #
 # Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
diff --git a/BaseTools/Source/Python/Common/Edk2/__init__.py b/BaseTools/Source/Python/Common/Edk2/__init__.py
index 97d925c..168041c 100644
--- a/BaseTools/Source/Python/Common/Edk2/__init__.py
+++ b/BaseTools/Source/Python/Common/Edk2/__init__.py
@@ -5,11 +5,5 @@
 # as containing package.
 #
 # Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
diff --git a/BaseTools/Source/Python/Common/EdkLogger.py b/BaseTools/Source/Python/Common/EdkLogger.py
index 77c0d2a..ae2070b 100644
--- a/BaseTools/Source/Python/Common/EdkLogger.py
+++ b/BaseTools/Source/Python/Common/EdkLogger.py
@@ -2,13 +2,7 @@
 # This file implements the log mechanism for Python tools.
 #
 # Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ## Import modules
diff --git a/BaseTools/Source/Python/Common/Expression.py b/BaseTools/Source/Python/Common/Expression.py
index 0c7e25b..07ca039 100644
--- a/BaseTools/Source/Python/Common/Expression.py
+++ b/BaseTools/Source/Python/Common/Expression.py
@@ -2,13 +2,7 @@
 # This file is used to parse and evaluate expression in directive or PCD value.
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.    The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 ## Import Modules
 #
diff --git a/BaseTools/Source/Python/Common/GlobalData.py b/BaseTools/Source/Python/Common/GlobalData.py
index 79b2132..1853f1d 100644
--- a/BaseTools/Source/Python/Common/GlobalData.py
+++ b/BaseTools/Source/Python/Common/GlobalData.py
@@ -2,13 +2,7 @@
 # This file is used to define common static strings used by INF/DEC/DSC files
 #
 # Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 import re
 
diff --git a/BaseTools/Source/Python/Common/LongFilePathOs.py b/BaseTools/Source/Python/Common/LongFilePathOs.py
index 3d6fe9b..ae8a68e 100644
--- a/BaseTools/Source/Python/Common/LongFilePathOs.py
+++ b/BaseTools/Source/Python/Common/LongFilePathOs.py
@@ -2,13 +2,7 @@
 # Override built in module os to provide support for long file path
 #
 # Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 from __future__ import absolute_import
diff --git a/BaseTools/Source/Python/Common/LongFilePathOsPath.py b/BaseTools/Source/Python/Common/LongFilePathOsPath.py
index 0bba446..60a0536 100644
--- a/BaseTools/Source/Python/Common/LongFilePathOsPath.py
+++ b/BaseTools/Source/Python/Common/LongFilePathOsPath.py
@@ -2,13 +2,7 @@
 # Override built in module os.path to provide support for long file path
 #
 # Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 import os
diff --git a/BaseTools/Source/Python/Common/LongFilePathSupport.py b/BaseTools/Source/Python/Common/LongFilePathSupport.py
index ed29d37..38c4396 100644
--- a/BaseTools/Source/Python/Common/LongFilePathSupport.py
+++ b/BaseTools/Source/Python/Common/LongFilePathSupport.py
@@ -2,13 +2,7 @@
 # Override built in function file.open to provide support for long file path
 #
 # Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 import os
diff --git a/BaseTools/Source/Python/Common/Misc.py b/BaseTools/Source/Python/Common/Misc.py
index 47f8e45..5db9405 100644
--- a/BaseTools/Source/Python/Common/Misc.py
+++ b/BaseTools/Source/Python/Common/Misc.py
@@ -2,13 +2,7 @@
 # Common routines used by all tools
 #
 # Copyright (c) 2007 - 2019, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Common/MultipleWorkspace.py b/BaseTools/Source/Python/Common/MultipleWorkspace.py
index 8ad90ae..ad5d485 100644
--- a/BaseTools/Source/Python/Common/MultipleWorkspace.py
+++ b/BaseTools/Source/Python/Common/MultipleWorkspace.py
@@ -5,13 +5,7 @@
 # as containing package.
 #
 # Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 import Common.LongFilePathOs as os
diff --git a/BaseTools/Source/Python/Common/Parsing.py b/BaseTools/Source/Python/Common/Parsing.py
index d858501..740283a 100644
--- a/BaseTools/Source/Python/Common/Parsing.py
+++ b/BaseTools/Source/Python/Common/Parsing.py
@@ -2,13 +2,7 @@
 # This file is used to define common parsing related functions used in parsing INF/DEC/DSC process
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Common/RangeExpression.py b/BaseTools/Source/Python/Common/RangeExpression.py
index 1c52e83..e9296e0 100644
--- a/BaseTools/Source/Python/Common/RangeExpression.py
+++ b/BaseTools/Source/Python/Common/RangeExpression.py
@@ -2,13 +2,7 @@
 # This file is used to parse and evaluate range expression in Pcd declaration.
 #
 # Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.    The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 # # Import Modules
 #
diff --git a/BaseTools/Source/Python/Common/StringUtils.py b/BaseTools/Source/Python/Common/StringUtils.py
index a2e8f0f..0febbc0 100644
--- a/BaseTools/Source/Python/Common/StringUtils.py
+++ b/BaseTools/Source/Python/Common/StringUtils.py
@@ -2,13 +2,7 @@
 # This file is used to define common string related functions used in parsing process
 #
 # Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Common/TargetTxtClassObject.py b/BaseTools/Source/Python/Common/TargetTxtClassObject.py
index 55a2f56..9d7673b 100644
--- a/BaseTools/Source/Python/Common/TargetTxtClassObject.py
+++ b/BaseTools/Source/Python/Common/TargetTxtClassObject.py
@@ -2,13 +2,7 @@
 # This file is used to define each component of Target.txt file
 #
 # Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Common/ToolDefClassObject.py b/BaseTools/Source/Python/Common/ToolDefClassObject.py
index 0a78123..5d692ea 100644
--- a/BaseTools/Source/Python/Common/ToolDefClassObject.py
+++ b/BaseTools/Source/Python/Common/ToolDefClassObject.py
@@ -2,13 +2,7 @@
 # This file is used to define each component of tools_def.txt file
 #
 # Copyright (c) 2007 - 2019, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Common/Uefi/Capsule/FmpAuthHeader.py b/BaseTools/Source/Python/Common/Uefi/Capsule/FmpAuthHeader.py
index ae5c1df..4b8c6da 100644
--- a/BaseTools/Source/Python/Common/Uefi/Capsule/FmpAuthHeader.py
+++ b/BaseTools/Source/Python/Common/Uefi/Capsule/FmpAuthHeader.py
@@ -3,13 +3,7 @@
 # certificate data and payload data.
 #
 # Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/Common/Uefi/Capsule/FmpCapsuleHeader.py b/BaseTools/Source/Python/Common/Uefi/Capsule/FmpCapsuleHeader.py
index 2461fb5..c24258d 100644
--- a/BaseTools/Source/Python/Common/Uefi/Capsule/FmpCapsuleHeader.py
+++ b/BaseTools/Source/Python/Common/Uefi/Capsule/FmpCapsuleHeader.py
@@ -3,13 +3,7 @@
 # a payload.
 #
 # Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/Common/Uefi/Capsule/UefiCapsuleHeader.py b/BaseTools/Source/Python/Common/Uefi/Capsule/UefiCapsuleHeader.py
index cfe1cb6..0e59028 100644
--- a/BaseTools/Source/Python/Common/Uefi/Capsule/UefiCapsuleHeader.py
+++ b/BaseTools/Source/Python/Common/Uefi/Capsule/UefiCapsuleHeader.py
@@ -2,13 +2,7 @@
 # Module that encodes and decodes a EFI_CAPSULE_HEADER with a payload
 #
 # Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/Common/Uefi/Capsule/__init__.py b/BaseTools/Source/Python/Common/Uefi/Capsule/__init__.py
index d9db4aa..329adcd 100644
--- a/BaseTools/Source/Python/Common/Uefi/Capsule/__init__.py
+++ b/BaseTools/Source/Python/Common/Uefi/Capsule/__init__.py
@@ -5,11 +5,5 @@
 # as containing package.
 #
 # Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
diff --git a/BaseTools/Source/Python/Common/Uefi/__init__.py b/BaseTools/Source/Python/Common/Uefi/__init__.py
index d80219d..213883d 100644
--- a/BaseTools/Source/Python/Common/Uefi/__init__.py
+++ b/BaseTools/Source/Python/Common/Uefi/__init__.py
@@ -5,11 +5,5 @@
 # as containing package.
 #
 # Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
diff --git a/BaseTools/Source/Python/Common/VariableAttributes.py b/BaseTools/Source/Python/Common/VariableAttributes.py
index 522adac..90c43f8 100644
--- a/BaseTools/Source/Python/Common/VariableAttributes.py
+++ b/BaseTools/Source/Python/Common/VariableAttributes.py
@@ -4,13 +4,7 @@
 #
 #
 # Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 class VariableAttributes(object):
diff --git a/BaseTools/Source/Python/Common/VpdInfoFile.py b/BaseTools/Source/Python/Common/VpdInfoFile.py
index e6cc768..bc69a90 100644
--- a/BaseTools/Source/Python/Common/VpdInfoFile.py
+++ b/BaseTools/Source/Python/Common/VpdInfoFile.py
@@ -7,13 +7,7 @@
 #
 #
 # Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 from __future__ import print_function
 import Common.LongFilePathOs as os
diff --git a/BaseTools/Source/Python/Common/__init__.py b/BaseTools/Source/Python/Common/__init__.py
index d8a96f9..7aaef6a 100644
--- a/BaseTools/Source/Python/Common/__init__.py
+++ b/BaseTools/Source/Python/Common/__init__.py
@@ -5,11 +5,5 @@
 # as containing package.
 #
 # Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
diff --git a/BaseTools/Source/Python/Common/caching.py b/BaseTools/Source/Python/Common/caching.py
index 7cb4586..fda30f7 100644
--- a/BaseTools/Source/Python/Common/caching.py
+++ b/BaseTools/Source/Python/Common/caching.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ## Import Modules
diff --git a/BaseTools/Source/Python/CommonDataClass/CommonClass.py b/BaseTools/Source/Python/CommonDataClass/CommonClass.py
index 33f306c..bcf52c7 100644
--- a/BaseTools/Source/Python/CommonDataClass/CommonClass.py
+++ b/BaseTools/Source/Python/CommonDataClass/CommonClass.py
@@ -2,13 +2,7 @@
 # This file is used to define common items of class object
 #
 # Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.    The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 
 ## SkuInfoClass
diff --git a/BaseTools/Source/Python/CommonDataClass/DataClass.py b/BaseTools/Source/Python/CommonDataClass/DataClass.py
index 5d0c664..6f35bd4 100644
--- a/BaseTools/Source/Python/CommonDataClass/DataClass.py
+++ b/BaseTools/Source/Python/CommonDataClass/DataClass.py
@@ -2,13 +2,7 @@
 # This file is used to define class for data structure used in ECC
 #
 # Copyright (c) 2008 - 2014, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.    The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 ##
 # Import Modules
diff --git a/BaseTools/Source/Python/CommonDataClass/Exceptions.py b/BaseTools/Source/Python/CommonDataClass/Exceptions.py
index 50541e8..4489b75 100644
--- a/BaseTools/Source/Python/CommonDataClass/Exceptions.py
+++ b/BaseTools/Source/Python/CommonDataClass/Exceptions.py
@@ -2,13 +2,7 @@
 # This file is used to define common Exceptions class used in python tools
 #
 # Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.    The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 ## Exceptions used in Expression
 class EvaluationException(Exception):
diff --git a/BaseTools/Source/Python/CommonDataClass/FdfClass.py b/BaseTools/Source/Python/CommonDataClass/FdfClass.py
index 0fb54d8..2fbb7b4 100644
--- a/BaseTools/Source/Python/CommonDataClass/FdfClass.py
+++ b/BaseTools/Source/Python/CommonDataClass/FdfClass.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ## FD data in FDF
diff --git a/BaseTools/Source/Python/CommonDataClass/__init__.py b/BaseTools/Source/Python/CommonDataClass/__init__.py
index 5c56540..81af4c0 100644
--- a/BaseTools/Source/Python/CommonDataClass/__init__.py
+++ b/BaseTools/Source/Python/CommonDataClass/__init__.py
@@ -5,11 +5,5 @@
 # as containing package.
 #
 # Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
diff --git a/BaseTools/Source/Python/Ecc/C.g b/BaseTools/Source/Python/Ecc/C.g
index 4affd61..386956d 100644
--- a/BaseTools/Source/Python/Ecc/C.g
+++ b/BaseTools/Source/Python/Ecc/C.g
@@ -2,13 +2,7 @@
  This file is used to be the grammar file of ECC tool
 
  Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
- This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution.  The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
 */
 
 grammar C;
diff --git a/BaseTools/Source/Python/Ecc/CParser3/CLexer.py b/BaseTools/Source/Python/Ecc/CParser3/CLexer.py
index 17c1af6..ca03ade 100644
--- a/BaseTools/Source/Python/Ecc/CParser3/CLexer.py
+++ b/BaseTools/Source/Python/Ecc/CParser3/CLexer.py
@@ -12,13 +12,7 @@ from antlr3.compat import set, frozenset
 #
 # Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution.  The full text of the license may be found at:
-#   http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 ##
 
diff --git a/BaseTools/Source/Python/Ecc/CParser3/CParser.py b/BaseTools/Source/Python/Ecc/CParser3/CParser.py
index c63b0a5..b078397 100644
--- a/BaseTools/Source/Python/Ecc/CParser3/CParser.py
+++ b/BaseTools/Source/Python/Ecc/CParser3/CParser.py
@@ -14,13 +14,7 @@ from antlr3.compat import set, frozenset
 #
 # Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution.  The full text of the license may be found at:
-#   http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 ##
 
diff --git a/BaseTools/Source/Python/Ecc/CParser4/C.g4 b/BaseTools/Source/Python/Ecc/CParser4/C.g4
index 89363b0..ffc5c12 100644
--- a/BaseTools/Source/Python/Ecc/CParser4/C.g4
+++ b/BaseTools/Source/Python/Ecc/CParser4/C.g4
@@ -2,13 +2,7 @@
  This file is used to be the grammar file of ECC tool
 
  Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
- This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution.  The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
 */
 
 
diff --git a/BaseTools/Source/Python/Ecc/CParser4/CLexer.py b/BaseTools/Source/Python/Ecc/CParser4/CLexer.py
index 4e2c7d0..a2cc5bf 100644
--- a/BaseTools/Source/Python/Ecc/CParser4/CLexer.py
+++ b/BaseTools/Source/Python/Ecc/CParser4/CLexer.py
@@ -14,13 +14,7 @@ import sys
 #
 # Copyright (c) 2009 - 2010, Intel Corporation  All rights reserved.
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution.  The full text of the license may be found at:
-#   http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 ##
 
diff --git a/BaseTools/Source/Python/Ecc/CParser4/CListener.py b/BaseTools/Source/Python/Ecc/CParser4/CListener.py
index 1696336..bb4351d 100644
--- a/BaseTools/Source/Python/Ecc/CParser4/CListener.py
+++ b/BaseTools/Source/Python/Ecc/CParser4/CListener.py
@@ -14,13 +14,7 @@ else:
 #
 # Copyright (c) 2009 - 2010, Intel Corporation  All rights reserved.
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution.  The full text of the license may be found at:
-#   http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 ##
 
diff --git a/BaseTools/Source/Python/Ecc/CParser4/CParser.py b/BaseTools/Source/Python/Ecc/CParser4/CParser.py
index 08d8a42..31d23d5 100644
--- a/BaseTools/Source/Python/Ecc/CParser4/CParser.py
+++ b/BaseTools/Source/Python/Ecc/CParser4/CParser.py
@@ -15,13 +15,7 @@ import sys
 #
 # Copyright (c) 2009 - 2010, Intel Corporation  All rights reserved.
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution.  The full text of the license may be found at:
-#   http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 ##
 
diff --git a/BaseTools/Source/Python/Ecc/Check.py b/BaseTools/Source/Python/Ecc/Check.py
index 6e5bcee..86bb856 100644
--- a/BaseTools/Source/Python/Ecc/Check.py
+++ b/BaseTools/Source/Python/Ecc/Check.py
@@ -2,13 +2,7 @@
 # This file is used to define checkpoints used by ECC tool
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 from __future__ import absolute_import
 import Common.LongFilePathOs as os
diff --git a/BaseTools/Source/Python/Ecc/CodeFragment.py b/BaseTools/Source/Python/Ecc/CodeFragment.py
index b4fe9be..8ced51f 100644
--- a/BaseTools/Source/Python/Ecc/CodeFragment.py
+++ b/BaseTools/Source/Python/Ecc/CodeFragment.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 
diff --git a/BaseTools/Source/Python/Ecc/CodeFragmentCollector.py b/BaseTools/Source/Python/Ecc/CodeFragmentCollector.py
index f844b4a..c428752 100644
--- a/BaseTools/Source/Python/Ecc/CodeFragmentCollector.py
+++ b/BaseTools/Source/Python/Ecc/CodeFragmentCollector.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Ecc/Configuration.py b/BaseTools/Source/Python/Ecc/Configuration.py
index 66c8dd7..46e2723 100644
--- a/BaseTools/Source/Python/Ecc/Configuration.py
+++ b/BaseTools/Source/Python/Ecc/Configuration.py
@@ -2,13 +2,7 @@
 # This file is used to define class Configuration
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Ecc/Database.py b/BaseTools/Source/Python/Ecc/Database.py
index 2a6b119..a5b70c5 100644
--- a/BaseTools/Source/Python/Ecc/Database.py
+++ b/BaseTools/Source/Python/Ecc/Database.py
@@ -2,13 +2,7 @@
 # This file is used to create a database used by ECC tool
 #
 # Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Ecc/EccGlobalData.py b/BaseTools/Source/Python/Ecc/EccGlobalData.py
index 79d0de6..89036db 100644
--- a/BaseTools/Source/Python/Ecc/EccGlobalData.py
+++ b/BaseTools/Source/Python/Ecc/EccGlobalData.py
@@ -2,13 +2,7 @@
 # This file is used to save global datas used by ECC tool
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Ecc/EccMain.py b/BaseTools/Source/Python/Ecc/EccMain.py
index f06183d..560bb9f 100644
--- a/BaseTools/Source/Python/Ecc/EccMain.py
+++ b/BaseTools/Source/Python/Ecc/EccMain.py
@@ -2,13 +2,7 @@
 # This file is used to be the main entrance of ECC tool
 #
 # Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Ecc/EccToolError.py b/BaseTools/Source/Python/Ecc/EccToolError.py
index 3f1a44c..4b1bef6 100644
--- a/BaseTools/Source/Python/Ecc/EccToolError.py
+++ b/BaseTools/Source/Python/Ecc/EccToolError.py
@@ -2,13 +2,7 @@
 # Standardized Error Handling infrastructures.
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ERROR_GENERAL_CHECK_ALL = 1000
diff --git a/BaseTools/Source/Python/Ecc/Exception.py b/BaseTools/Source/Python/Ecc/Exception.py
index 8b827d7..9251b8d 100644
--- a/BaseTools/Source/Python/Ecc/Exception.py
+++ b/BaseTools/Source/Python/Ecc/Exception.py
@@ -2,13 +2,7 @@
 # This file is used to parse exception items found by ECC tool
 #
 # Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Ecc/FileProfile.py b/BaseTools/Source/Python/Ecc/FileProfile.py
index 8084cbc..eedf263 100644
--- a/BaseTools/Source/Python/Ecc/FileProfile.py
+++ b/BaseTools/Source/Python/Ecc/FileProfile.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Ecc/MetaDataParser.py b/BaseTools/Source/Python/Ecc/MetaDataParser.py
index aab2e92..0fd9b6c 100644
--- a/BaseTools/Source/Python/Ecc/MetaDataParser.py
+++ b/BaseTools/Source/Python/Ecc/MetaDataParser.py
@@ -2,13 +2,7 @@
 # This file is used to define common parser functions for meta-data
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 from __future__ import absolute_import
diff --git a/BaseTools/Source/Python/Ecc/MetaFileWorkspace/MetaDataTable.py b/BaseTools/Source/Python/Ecc/MetaFileWorkspace/MetaDataTable.py
index a056c37..1d7f6eb 100644
--- a/BaseTools/Source/Python/Ecc/MetaFileWorkspace/MetaDataTable.py
+++ b/BaseTools/Source/Python/Ecc/MetaFileWorkspace/MetaDataTable.py
@@ -2,13 +2,7 @@
 # This file is used to create/update/query/erase table for files
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Ecc/MetaFileWorkspace/MetaFileParser.py b/BaseTools/Source/Python/Ecc/MetaFileWorkspace/MetaFileParser.py
index 8ff95ca..1576565 100644
--- a/BaseTools/Source/Python/Ecc/MetaFileWorkspace/MetaFileParser.py
+++ b/BaseTools/Source/Python/Ecc/MetaFileWorkspace/MetaFileParser.py
@@ -2,13 +2,7 @@
 # This file is used to parse meta files
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Ecc/MetaFileWorkspace/MetaFileTable.py b/BaseTools/Source/Python/Ecc/MetaFileWorkspace/MetaFileTable.py
index a2319a9..0914aec 100644
--- a/BaseTools/Source/Python/Ecc/MetaFileWorkspace/MetaFileTable.py
+++ b/BaseTools/Source/Python/Ecc/MetaFileWorkspace/MetaFileTable.py
@@ -2,13 +2,7 @@
 # This file is used to create/update/query/erase a meta file table
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Ecc/MetaFileWorkspace/__init__.py b/BaseTools/Source/Python/Ecc/MetaFileWorkspace/__init__.py
index 05cd34b..85ae993 100644
--- a/BaseTools/Source/Python/Ecc/MetaFileWorkspace/__init__.py
+++ b/BaseTools/Source/Python/Ecc/MetaFileWorkspace/__init__.py
@@ -5,11 +5,5 @@
 # as containing package.
 #
 # Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
diff --git a/BaseTools/Source/Python/Ecc/ParserWarning.py b/BaseTools/Source/Python/Ecc/ParserWarning.py
index 0e62ba2..2ae66d4 100644
--- a/BaseTools/Source/Python/Ecc/ParserWarning.py
+++ b/BaseTools/Source/Python/Ecc/ParserWarning.py
@@ -2,13 +2,7 @@
 # This file is used to be the warning class of ECC tool
 #
 # Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ## The exception class that used to report error messages when preprocessing
diff --git a/BaseTools/Source/Python/Ecc/Xml/XmlRoutines.py b/BaseTools/Source/Python/Ecc/Xml/XmlRoutines.py
index 00cbc4e..b02f663 100644
--- a/BaseTools/Source/Python/Ecc/Xml/XmlRoutines.py
+++ b/BaseTools/Source/Python/Ecc/Xml/XmlRoutines.py
@@ -3,13 +3,7 @@
 # standard python so that no extra python packages are required to use it.
 #
 # Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Ecc/Xml/__init__.py b/BaseTools/Source/Python/Ecc/Xml/__init__.py
index e8283c0..172e498 100644
--- a/BaseTools/Source/Python/Ecc/Xml/__init__.py
+++ b/BaseTools/Source/Python/Ecc/Xml/__init__.py
@@ -6,13 +6,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/Ecc/__init__.py b/BaseTools/Source/Python/Ecc/__init__.py
index 880ad49..a1cac67 100644
--- a/BaseTools/Source/Python/Ecc/__init__.py
+++ b/BaseTools/Source/Python/Ecc/__init__.py
@@ -5,11 +5,5 @@
 # as containing package.
 #
 # Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
diff --git a/BaseTools/Source/Python/Ecc/c.py b/BaseTools/Source/Python/Ecc/c.py
index 7b645ff..fdb53e4 100644
--- a/BaseTools/Source/Python/Ecc/c.py
+++ b/BaseTools/Source/Python/Ecc/c.py
@@ -2,13 +2,7 @@
 # This file is used to be the c coding style checking of ECC tool
 #
 # Copyright (c) 2009 - 2019, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 from __future__ import print_function
diff --git a/BaseTools/Source/Python/Ecc/config.ini b/BaseTools/Source/Python/Ecc/config.ini
index 00c98c6..62d112f 100644
--- a/BaseTools/Source/Python/Ecc/config.ini
+++ b/BaseTools/Source/Python/Ecc/config.ini
@@ -3,13 +3,7 @@
 # For the items listed below, 1 means valid, 0 means invalid
 #
 # Copyright (c) 2007 - 2015, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 #
diff --git a/BaseTools/Source/Python/Ecc/exception.xml b/BaseTools/Source/Python/Ecc/exception.xml
index 9102de6..8133904 100644
--- a/BaseTools/Source/Python/Ecc/exception.xml
+++ b/BaseTools/Source/Python/Ecc/exception.xml
@@ -2,11 +2,7 @@
 <ExceptionList xmlns="http://www.uefi.org/2008/2.1" xmlns:xsi="http:/www.w3.org/2001/XMLSchema-instance">
   <Copyright>Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.</Copyright>
   <License>
-    This program and the accompanying materials are licensed and made available
-    under the terms and conditions of the BSD License which accompanies this distribution.
-    The full text of the license may be found at http://opensource.org/licenses/bsd-license.php
-    THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTIES
-    OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+    SPDX-License-Identifier: BSD-2-Clause-Patent
   </License>
   <Exception>
     <KeyWord>__debugbreak</KeyWord>
diff --git a/BaseTools/Source/Python/Eot/CParser3/CLexer.py b/BaseTools/Source/Python/Eot/CParser3/CLexer.py
index 17c1af6..ca03ade 100644
--- a/BaseTools/Source/Python/Eot/CParser3/CLexer.py
+++ b/BaseTools/Source/Python/Eot/CParser3/CLexer.py
@@ -12,13 +12,7 @@ from antlr3.compat import set, frozenset
 #
 # Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution.  The full text of the license may be found at:
-#   http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 ##
 
diff --git a/BaseTools/Source/Python/Eot/CParser3/CParser.py b/BaseTools/Source/Python/Eot/CParser3/CParser.py
index 973e7a8..42bb4d2 100644
--- a/BaseTools/Source/Python/Eot/CParser3/CParser.py
+++ b/BaseTools/Source/Python/Eot/CParser3/CParser.py
@@ -14,13 +14,7 @@ from antlr3.compat import set, frozenset
 #
 # Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution.  The full text of the license may be found at:
-#   http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 ##
 
diff --git a/BaseTools/Source/Python/Eot/CParser4/CLexer.py b/BaseTools/Source/Python/Eot/CParser4/CLexer.py
index 5bc32cd..54374fd 100644
--- a/BaseTools/Source/Python/Eot/CParser4/CLexer.py
+++ b/BaseTools/Source/Python/Eot/CParser4/CLexer.py
@@ -14,13 +14,7 @@ import sys
 #
 # Copyright (c) 2009 - 2010, Intel Corporation  All rights reserved.
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution.  The full text of the license may be found at:
-#   http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 ##
 
diff --git a/BaseTools/Source/Python/Eot/CParser4/CListener.py b/BaseTools/Source/Python/Eot/CParser4/CListener.py
index f745c33..46f7f1b 100644
--- a/BaseTools/Source/Python/Eot/CParser4/CListener.py
+++ b/BaseTools/Source/Python/Eot/CParser4/CListener.py
@@ -14,13 +14,7 @@ else:
 #
 # Copyright (c) 2009 - 2010, Intel Corporation  All rights reserved.
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution.  The full text of the license may be found at:
-#   http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 ##
 
diff --git a/BaseTools/Source/Python/Eot/CParser4/CParser.py b/BaseTools/Source/Python/Eot/CParser4/CParser.py
index 08d8a42..31d23d5 100644
--- a/BaseTools/Source/Python/Eot/CParser4/CParser.py
+++ b/BaseTools/Source/Python/Eot/CParser4/CParser.py
@@ -15,13 +15,7 @@ import sys
 #
 # Copyright (c) 2009 - 2010, Intel Corporation  All rights reserved.
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution.  The full text of the license may be found at:
-#   http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 ##
 
diff --git a/BaseTools/Source/Python/Eot/CodeFragment.py b/BaseTools/Source/Python/Eot/CodeFragment.py
index db5f40a..94c3f52 100644
--- a/BaseTools/Source/Python/Eot/CodeFragment.py
+++ b/BaseTools/Source/Python/Eot/CodeFragment.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 
diff --git a/BaseTools/Source/Python/Eot/CodeFragmentCollector.py b/BaseTools/Source/Python/Eot/CodeFragmentCollector.py
index ec1faa6..a5c1cee 100644
--- a/BaseTools/Source/Python/Eot/CodeFragmentCollector.py
+++ b/BaseTools/Source/Python/Eot/CodeFragmentCollector.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Eot/Database.py b/BaseTools/Source/Python/Eot/Database.py
index f619116..fca08b9 100644
--- a/BaseTools/Source/Python/Eot/Database.py
+++ b/BaseTools/Source/Python/Eot/Database.py
@@ -2,13 +2,7 @@
 # This file is used to create a database used by EOT tool
 #
 # Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Eot/EotGlobalData.py b/BaseTools/Source/Python/Eot/EotGlobalData.py
index 729b9f7..3218f86 100644
--- a/BaseTools/Source/Python/Eot/EotGlobalData.py
+++ b/BaseTools/Source/Python/Eot/EotGlobalData.py
@@ -2,13 +2,7 @@
 # This file is used to save global datas
 #
 # Copyright (c) 2008 - 2014, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 from collections import OrderedDict
diff --git a/BaseTools/Source/Python/Eot/EotMain.py b/BaseTools/Source/Python/Eot/EotMain.py
index 1cf84d2..791fcdf 100644
--- a/BaseTools/Source/Python/Eot/EotMain.py
+++ b/BaseTools/Source/Python/Eot/EotMain.py
@@ -2,13 +2,7 @@
 # This file is used to be the main entrance of EOT tool
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Eot/EotToolError.py b/BaseTools/Source/Python/Eot/EotToolError.py
index 0b3686a..d4f4f3a 100644
--- a/BaseTools/Source/Python/Eot/EotToolError.py
+++ b/BaseTools/Source/Python/Eot/EotToolError.py
@@ -2,13 +2,7 @@
 # Standardized Error Handling infrastructures.
 #
 # Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 # Error id
diff --git a/BaseTools/Source/Python/Eot/FileProfile.py b/BaseTools/Source/Python/Eot/FileProfile.py
index 3846279..1f3ec15 100644
--- a/BaseTools/Source/Python/Eot/FileProfile.py
+++ b/BaseTools/Source/Python/Eot/FileProfile.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Eot/Identification.py b/BaseTools/Source/Python/Eot/Identification.py
index f43150d..31d4760 100644
--- a/BaseTools/Source/Python/Eot/Identification.py
+++ b/BaseTools/Source/Python/Eot/Identification.py
@@ -2,13 +2,7 @@
 # This file is used to define the identification of INF/DEC/DSC files
 #
 # Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 ## Identification
 #
diff --git a/BaseTools/Source/Python/Eot/InfParserLite.py b/BaseTools/Source/Python/Eot/InfParserLite.py
index bc575a6..2c6bc50 100644
--- a/BaseTools/Source/Python/Eot/InfParserLite.py
+++ b/BaseTools/Source/Python/Eot/InfParserLite.py
@@ -2,13 +2,7 @@
 # This file is used to parse INF file of EDK project
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Eot/Parser.py b/BaseTools/Source/Python/Eot/Parser.py
index 6b47409..f204051 100644
--- a/BaseTools/Source/Python/Eot/Parser.py
+++ b/BaseTools/Source/Python/Eot/Parser.py
@@ -3,13 +3,7 @@
 # Inf/Dsc/Makefile process
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Eot/ParserWarning.py b/BaseTools/Source/Python/Eot/ParserWarning.py
index d121598..e84990a 100644
--- a/BaseTools/Source/Python/Eot/ParserWarning.py
+++ b/BaseTools/Source/Python/Eot/ParserWarning.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 class Warning (Exception):
     ## The constructor
diff --git a/BaseTools/Source/Python/Eot/Report.py b/BaseTools/Source/Python/Eot/Report.py
index 3e71c12..9d99fe2 100644
--- a/BaseTools/Source/Python/Eot/Report.py
+++ b/BaseTools/Source/Python/Eot/Report.py
@@ -2,13 +2,7 @@
 # This file is used to create report for Eot tool
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Eot/__init__.py b/BaseTools/Source/Python/Eot/__init__.py
index c184a68..ba0b8c8 100644
--- a/BaseTools/Source/Python/Eot/__init__.py
+++ b/BaseTools/Source/Python/Eot/__init__.py
@@ -5,11 +5,5 @@
 # as containing package.
 #
 # Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
diff --git a/BaseTools/Source/Python/Eot/c.py b/BaseTools/Source/Python/Eot/c.py
index 4f0b58a..dd9530f 100644
--- a/BaseTools/Source/Python/Eot/c.py
+++ b/BaseTools/Source/Python/Eot/c.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GNUmakefile b/BaseTools/Source/Python/GNUmakefile
index ed00a7b..499c55e 100644
--- a/BaseTools/Source/Python/GNUmakefile
+++ b/BaseTools/Source/Python/GNUmakefile
@@ -2,13 +2,7 @@
 # GNU/Linux makefile for Python tools build.
 #
 # Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 all:
diff --git a/BaseTools/Source/Python/GenFds/AprioriSection.py b/BaseTools/Source/Python/GenFds/AprioriSection.py
index 0a82827..be2d9f6 100644
--- a/BaseTools/Source/Python/GenFds/AprioriSection.py
+++ b/BaseTools/Source/Python/GenFds/AprioriSection.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/Capsule.py b/BaseTools/Source/Python/GenFds/Capsule.py
index 9013fca..f4bfc74 100644
--- a/BaseTools/Source/Python/GenFds/Capsule.py
+++ b/BaseTools/Source/Python/GenFds/Capsule.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/CapsuleData.py b/BaseTools/Source/Python/GenFds/CapsuleData.py
index ace4699..ebbde7f 100644
--- a/BaseTools/Source/Python/GenFds/CapsuleData.py
+++ b/BaseTools/Source/Python/GenFds/CapsuleData.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007-2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/CompressSection.py b/BaseTools/Source/Python/GenFds/CompressSection.py
index 51f6791..4dae5db 100644
--- a/BaseTools/Source/Python/GenFds/CompressSection.py
+++ b/BaseTools/Source/Python/GenFds/CompressSection.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2017, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/DataSection.py b/BaseTools/Source/Python/GenFds/DataSection.py
index 989e33c..60b94fb 100644
--- a/BaseTools/Source/Python/GenFds/DataSection.py
+++ b/BaseTools/Source/Python/GenFds/DataSection.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/DepexSection.py b/BaseTools/Source/Python/GenFds/DepexSection.py
index 78efc18..6cabac3 100644
--- a/BaseTools/Source/Python/GenFds/DepexSection.py
+++ b/BaseTools/Source/Python/GenFds/DepexSection.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/EfiSection.py b/BaseTools/Source/Python/GenFds/EfiSection.py
index dfb2470..302f244 100644
--- a/BaseTools/Source/Python/GenFds/EfiSection.py
+++ b/BaseTools/Source/Python/GenFds/EfiSection.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/Fd.py b/BaseTools/Source/Python/GenFds/Fd.py
index e1849a3..973936b 100644
--- a/BaseTools/Source/Python/GenFds/Fd.py
+++ b/BaseTools/Source/Python/GenFds/Fd.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/FdfParser.py b/BaseTools/Source/Python/GenFds/FdfParser.py
index 56294ed..54f61ae 100644
--- a/BaseTools/Source/Python/GenFds/FdfParser.py
+++ b/BaseTools/Source/Python/GenFds/FdfParser.py
@@ -4,13 +4,7 @@
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #  Copyright (c) 2015, Hewlett Packard Enterprise Development, L.P.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/Ffs.py b/BaseTools/Source/Python/GenFds/Ffs.py
index 4c1b435..4e58df2 100644
--- a/BaseTools/Source/Python/GenFds/Ffs.py
+++ b/BaseTools/Source/Python/GenFds/Ffs.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007-2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/FfsFileStatement.py b/BaseTools/Source/Python/GenFds/FfsFileStatement.py
index e05fb8c..9250361 100644
--- a/BaseTools/Source/Python/GenFds/FfsFileStatement.py
+++ b/BaseTools/Source/Python/GenFds/FfsFileStatement.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/FfsInfStatement.py b/BaseTools/Source/Python/GenFds/FfsInfStatement.py
index 84506ed..78dd7cd 100644
--- a/BaseTools/Source/Python/GenFds/FfsInfStatement.py
+++ b/BaseTools/Source/Python/GenFds/FfsInfStatement.py
@@ -4,13 +4,7 @@
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #  Copyright (c) 2014-2016 Hewlett-Packard Development Company, L.P.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/Fv.py b/BaseTools/Source/Python/GenFds/Fv.py
index 06d853b..206bd02 100644
--- a/BaseTools/Source/Python/GenFds/Fv.py
+++ b/BaseTools/Source/Python/GenFds/Fv.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/FvImageSection.py b/BaseTools/Source/Python/GenFds/FvImageSection.py
index 85e59cc..2d38ff6 100644
--- a/BaseTools/Source/Python/GenFds/FvImageSection.py
+++ b/BaseTools/Source/Python/GenFds/FvImageSection.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/GenFds.py b/BaseTools/Source/Python/GenFds/GenFds.py
index a99d56a..21ae9c4 100644
--- a/BaseTools/Source/Python/GenFds/GenFds.py
+++ b/BaseTools/Source/Python/GenFds/GenFds.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2019, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py b/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py
index 028bcc4..eb7a56d 100644
--- a/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py
+++ b/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/GuidSection.py b/BaseTools/Source/Python/GenFds/GuidSection.py
index 52b9730..530e2b3 100644
--- a/BaseTools/Source/Python/GenFds/GuidSection.py
+++ b/BaseTools/Source/Python/GenFds/GuidSection.py
@@ -4,13 +4,7 @@
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #  Copyright (c) 2018, Hewlett Packard Enterprise Development, L.P.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/OptRomFileStatement.py b/BaseTools/Source/Python/GenFds/OptRomFileStatement.py
index e56174e..0c54f48 100644
--- a/BaseTools/Source/Python/GenFds/OptRomFileStatement.py
+++ b/BaseTools/Source/Python/GenFds/OptRomFileStatement.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/OptRomInfStatement.py b/BaseTools/Source/Python/GenFds/OptRomInfStatement.py
index e416b83..8b570ed 100644
--- a/BaseTools/Source/Python/GenFds/OptRomInfStatement.py
+++ b/BaseTools/Source/Python/GenFds/OptRomInfStatement.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/OptionRom.py b/BaseTools/Source/Python/GenFds/OptionRom.py
index 9d7ad25..61d669d 100644
--- a/BaseTools/Source/Python/GenFds/OptionRom.py
+++ b/BaseTools/Source/Python/GenFds/OptionRom.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/Region.py b/BaseTools/Source/Python/GenFds/Region.py
index 972847e..7d5a3ab 100644
--- a/BaseTools/Source/Python/GenFds/Region.py
+++ b/BaseTools/Source/Python/GenFds/Region.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/Rule.py b/BaseTools/Source/Python/GenFds/Rule.py
index 0e112cf..6561c0e 100644
--- a/BaseTools/Source/Python/GenFds/Rule.py
+++ b/BaseTools/Source/Python/GenFds/Rule.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/RuleComplexFile.py b/BaseTools/Source/Python/GenFds/RuleComplexFile.py
index c357fed..198f4f0 100644
--- a/BaseTools/Source/Python/GenFds/RuleComplexFile.py
+++ b/BaseTools/Source/Python/GenFds/RuleComplexFile.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/RuleSimpleFile.py b/BaseTools/Source/Python/GenFds/RuleSimpleFile.py
index 7aa184e..772c768 100644
--- a/BaseTools/Source/Python/GenFds/RuleSimpleFile.py
+++ b/BaseTools/Source/Python/GenFds/RuleSimpleFile.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/Section.py b/BaseTools/Source/Python/GenFds/Section.py
index bab74ae..c49a1ac 100644
--- a/BaseTools/Source/Python/GenFds/Section.py
+++ b/BaseTools/Source/Python/GenFds/Section.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007-2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/UiSection.py b/BaseTools/Source/Python/GenFds/UiSection.py
index c1dff18..c9fc599 100644
--- a/BaseTools/Source/Python/GenFds/UiSection.py
+++ b/BaseTools/Source/Python/GenFds/UiSection.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2017, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/VerSection.py b/BaseTools/Source/Python/GenFds/VerSection.py
index 051743f..1e7b391 100644
--- a/BaseTools/Source/Python/GenFds/VerSection.py
+++ b/BaseTools/Source/Python/GenFds/VerSection.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/GenFds/__init__.py b/BaseTools/Source/Python/GenFds/__init__.py
index 6ba4ed4..09ea47e 100644
--- a/BaseTools/Source/Python/GenFds/__init__.py
+++ b/BaseTools/Source/Python/GenFds/__init__.py
@@ -5,11 +5,5 @@
 # as containing package.
 #
 # Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
diff --git a/BaseTools/Source/Python/GenPatchPcdTable/GenPatchPcdTable.py b/BaseTools/Source/Python/GenPatchPcdTable/GenPatchPcdTable.py
index 1be0a28..7d5e4fc 100644
--- a/BaseTools/Source/Python/GenPatchPcdTable/GenPatchPcdTable.py
+++ b/BaseTools/Source/Python/GenPatchPcdTable/GenPatchPcdTable.py
@@ -6,13 +6,7 @@
 #    ========    ================
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 #
 
diff --git a/BaseTools/Source/Python/GenPatchPcdTable/__init__.py b/BaseTools/Source/Python/GenPatchPcdTable/__init__.py
index 58a5b1d..70b46a5 100644
--- a/BaseTools/Source/Python/GenPatchPcdTable/__init__.py
+++ b/BaseTools/Source/Python/GenPatchPcdTable/__init__.py
@@ -5,11 +5,5 @@
 # as containing package.
 #
 # Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
diff --git a/BaseTools/Source/Python/Makefile b/BaseTools/Source/Python/Makefile
index b413d23..0361c53 100644
--- a/BaseTools/Source/Python/Makefile
+++ b/BaseTools/Source/Python/Makefile
@@ -2,13 +2,7 @@
 # Windows makefile for Python tools build.
 #
 # Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 all:
diff --git a/BaseTools/Source/Python/PatchPcdValue/PatchPcdValue.py b/BaseTools/Source/Python/PatchPcdValue/PatchPcdValue.py
index 0be5eba..02735e1 100644
--- a/BaseTools/Source/Python/PatchPcdValue/PatchPcdValue.py
+++ b/BaseTools/Source/Python/PatchPcdValue/PatchPcdValue.py
@@ -2,13 +2,7 @@
 # Patch value into the binary file.
 #
 # Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/PatchPcdValue/__init__.py b/BaseTools/Source/Python/PatchPcdValue/__init__.py
index a17d05f..08275ed 100644
--- a/BaseTools/Source/Python/PatchPcdValue/__init__.py
+++ b/BaseTools/Source/Python/PatchPcdValue/__init__.py
@@ -5,11 +5,5 @@
 # as containing package.
 #
 # Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
diff --git a/BaseTools/Source/Python/Pkcs7Sign/Pkcs7Sign.py b/BaseTools/Source/Python/Pkcs7Sign/Pkcs7Sign.py
index 706bf28..5630df5 100644
--- a/BaseTools/Source/Python/Pkcs7Sign/Pkcs7Sign.py
+++ b/BaseTools/Source/Python/Pkcs7Sign/Pkcs7Sign.py
@@ -7,13 +7,7 @@
 # This tool has been tested with OpenSSL.
 #
 # Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/Rsa2048Sha256Sign/Rsa2048Sha256GenerateKeys.py b/BaseTools/Source/Python/Rsa2048Sha256Sign/Rsa2048Sha256GenerateKeys.py
index 3cc14e3..f9aed2b 100644
--- a/BaseTools/Source/Python/Rsa2048Sha256Sign/Rsa2048Sha256GenerateKeys.py
+++ b/BaseTools/Source/Python/Rsa2048Sha256Sign/Rsa2048Sha256GenerateKeys.py
@@ -10,13 +10,7 @@
 # This tool has been tested with OpenSSL 1.0.1e 11 Feb 2013
 #
 # Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/Rsa2048Sha256Sign/Rsa2048Sha256Sign.py b/BaseTools/Source/Python/Rsa2048Sha256Sign/Rsa2048Sha256Sign.py
index 37c7e91..df05826 100644
--- a/BaseTools/Source/Python/Rsa2048Sha256Sign/Rsa2048Sha256Sign.py
+++ b/BaseTools/Source/Python/Rsa2048Sha256Sign/Rsa2048Sha256Sign.py
@@ -5,13 +5,7 @@
 # This tool has been tested with OpenSSL 1.0.1e 11 Feb 2013
 #
 # Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/Table/Table.py b/BaseTools/Source/Python/Table/Table.py
index d8ffc72..7a60313 100644
--- a/BaseTools/Source/Python/Table/Table.py
+++ b/BaseTools/Source/Python/Table/Table.py
@@ -2,13 +2,7 @@
 # This file is used to create/update/query/erase a common table
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Table/TableDataModel.py b/BaseTools/Source/Python/Table/TableDataModel.py
index b01c3ec..3855807 100644
--- a/BaseTools/Source/Python/Table/TableDataModel.py
+++ b/BaseTools/Source/Python/Table/TableDataModel.py
@@ -2,13 +2,7 @@
 # This file is used to create/update/query/erase table for data models
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Table/TableDec.py b/BaseTools/Source/Python/Table/TableDec.py
index 1d887dc..04aa7aa 100644
--- a/BaseTools/Source/Python/Table/TableDec.py
+++ b/BaseTools/Source/Python/Table/TableDec.py
@@ -2,13 +2,7 @@
 # This file is used to create/update/query/erase table for dec datas
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Table/TableDsc.py b/BaseTools/Source/Python/Table/TableDsc.py
index 0a45f7f..deda001 100644
--- a/BaseTools/Source/Python/Table/TableDsc.py
+++ b/BaseTools/Source/Python/Table/TableDsc.py
@@ -3,13 +3,7 @@ from __future__ import absolute_import
 # This file is used to create/update/query/erase table for dsc datas
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Table/TableEotReport.py b/BaseTools/Source/Python/Table/TableEotReport.py
index 6f2fb37..72bc11f 100644
--- a/BaseTools/Source/Python/Table/TableEotReport.py
+++ b/BaseTools/Source/Python/Table/TableEotReport.py
@@ -2,13 +2,7 @@
 # This file is used to create/update/query/erase table for ECC reports
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Table/TableFdf.py b/BaseTools/Source/Python/Table/TableFdf.py
index 668f562..964ddd7 100644
--- a/BaseTools/Source/Python/Table/TableFdf.py
+++ b/BaseTools/Source/Python/Table/TableFdf.py
@@ -2,13 +2,7 @@
 # This file is used to create/update/query/erase table for fdf datas
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Table/TableFile.py b/BaseTools/Source/Python/Table/TableFile.py
index 805a528..c54c389 100644
--- a/BaseTools/Source/Python/Table/TableFile.py
+++ b/BaseTools/Source/Python/Table/TableFile.py
@@ -2,13 +2,7 @@
 # This file is used to create/update/query/erase table for files
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Table/TableFunction.py b/BaseTools/Source/Python/Table/TableFunction.py
index 9d43ff0..69d240b 100644
--- a/BaseTools/Source/Python/Table/TableFunction.py
+++ b/BaseTools/Source/Python/Table/TableFunction.py
@@ -2,13 +2,7 @@
 # This file is used to create/update/query/erase table for functions
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Table/TableIdentifier.py b/BaseTools/Source/Python/Table/TableIdentifier.py
index 6b658cf..99f5023 100644
--- a/BaseTools/Source/Python/Table/TableIdentifier.py
+++ b/BaseTools/Source/Python/Table/TableIdentifier.py
@@ -2,13 +2,7 @@
 # This file is used to create/update/query/erase table for Identifiers
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Table/TableInf.py b/BaseTools/Source/Python/Table/TableInf.py
index e0ffb17..54af88c 100644
--- a/BaseTools/Source/Python/Table/TableInf.py
+++ b/BaseTools/Source/Python/Table/TableInf.py
@@ -2,13 +2,7 @@
 # This file is used to create/update/query/erase table for inf datas
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Table/TablePcd.py b/BaseTools/Source/Python/Table/TablePcd.py
index 5096862..f1e9f57 100644
--- a/BaseTools/Source/Python/Table/TablePcd.py
+++ b/BaseTools/Source/Python/Table/TablePcd.py
@@ -2,13 +2,7 @@
 # This file is used to create/update/query/erase table for pcds
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Table/TableQuery.py b/BaseTools/Source/Python/Table/TableQuery.py
index b203bf8..3e66fbf 100644
--- a/BaseTools/Source/Python/Table/TableQuery.py
+++ b/BaseTools/Source/Python/Table/TableQuery.py
@@ -2,13 +2,7 @@
 # This file is used to create/update/query/erase table for Queries
 #
 # Copyright (c) 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Table/TableReport.py b/BaseTools/Source/Python/Table/TableReport.py
index 0002296..0a77787 100644
--- a/BaseTools/Source/Python/Table/TableReport.py
+++ b/BaseTools/Source/Python/Table/TableReport.py
@@ -2,13 +2,7 @@
 # This file is used to create/update/query/erase table for ECC reports
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Table/__init__.py b/BaseTools/Source/Python/Table/__init__.py
index c6424a5..e901914 100644
--- a/BaseTools/Source/Python/Table/__init__.py
+++ b/BaseTools/Source/Python/Table/__init__.py
@@ -5,11 +5,5 @@
 # as containing package.
 #
 # Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
diff --git a/BaseTools/Source/Python/TargetTool/TargetTool.py b/BaseTools/Source/Python/TargetTool/TargetTool.py
index 5ff5416..8e0ca38 100644
--- a/BaseTools/Source/Python/TargetTool/TargetTool.py
+++ b/BaseTools/Source/Python/TargetTool/TargetTool.py
@@ -3,13 +3,7 @@
 #
 #  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 from __future__ import print_function
diff --git a/BaseTools/Source/Python/TargetTool/__init__.py b/BaseTools/Source/Python/TargetTool/__init__.py
index 0187a7a..ae712b4 100644
--- a/BaseTools/Source/Python/TargetTool/__init__.py
+++ b/BaseTools/Source/Python/TargetTool/__init__.py
@@ -5,11 +5,5 @@
 # as containing package.
 #
 # Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
diff --git a/BaseTools/Source/Python/Trim/Trim.py b/BaseTools/Source/Python/Trim/Trim.py
index 6f93538..6f29f1a 100644
--- a/BaseTools/Source/Python/Trim/Trim.py
+++ b/BaseTools/Source/Python/Trim/Trim.py
@@ -2,13 +2,7 @@
 # Trim files preprocessed by compiler
 #
 # Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/UPT/BuildVersion.py b/BaseTools/Source/Python/UPT/BuildVersion.py
index eca8c1c..1b144dc 100644
--- a/BaseTools/Source/Python/UPT/BuildVersion.py
+++ b/BaseTools/Source/Python/UPT/BuildVersion.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Core/DependencyRules.py b/BaseTools/Source/Python/UPT/Core/DependencyRules.py
index 89b81f8..0c801c7 100644
--- a/BaseTools/Source/Python/UPT/Core/DependencyRules.py
+++ b/BaseTools/Source/Python/UPT/Core/DependencyRules.py
@@ -3,14 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Core/DistributionPackageClass.py b/BaseTools/Source/Python/UPT/Core/DistributionPackageClass.py
index 873e2b4..5ee79b6 100644
--- a/BaseTools/Source/Python/UPT/Core/DistributionPackageClass.py
+++ b/BaseTools/Source/Python/UPT/Core/DistributionPackageClass.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 DistributionPackageClass
diff --git a/BaseTools/Source/Python/UPT/Core/FileHook.py b/BaseTools/Source/Python/UPT/Core/FileHook.py
index ceae12f..2071206 100644
--- a/BaseTools/Source/Python/UPT/Core/FileHook.py
+++ b/BaseTools/Source/Python/UPT/Core/FileHook.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Core/IpiDb.py b/BaseTools/Source/Python/UPT/Core/IpiDb.py
index bedf263..69895e1 100644
--- a/BaseTools/Source/Python/UPT/Core/IpiDb.py
+++ b/BaseTools/Source/Python/UPT/Core/IpiDb.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Core/PackageFile.py b/BaseTools/Source/Python/UPT/Core/PackageFile.py
index 5eeed2a..c9157e8 100644
--- a/BaseTools/Source/Python/UPT/Core/PackageFile.py
+++ b/BaseTools/Source/Python/UPT/Core/PackageFile.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Core/__init__.py b/BaseTools/Source/Python/UPT/Core/__init__.py
index 86c8d26..9af96f9 100644
--- a/BaseTools/Source/Python/UPT/Core/__init__.py
+++ b/BaseTools/Source/Python/UPT/Core/__init__.py
@@ -6,13 +6,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/GenMetaFile/GenDecFile.py b/BaseTools/Source/Python/UPT/GenMetaFile/GenDecFile.py
index 63c6da0..91952a5 100644
--- a/BaseTools/Source/Python/UPT/GenMetaFile/GenDecFile.py
+++ b/BaseTools/Source/Python/UPT/GenMetaFile/GenDecFile.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/GenMetaFile/GenInfFile.py b/BaseTools/Source/Python/UPT/GenMetaFile/GenInfFile.py
index 40346b0..dd6184e 100644
--- a/BaseTools/Source/Python/UPT/GenMetaFile/GenInfFile.py
+++ b/BaseTools/Source/Python/UPT/GenMetaFile/GenInfFile.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 '''
 GenInf
diff --git a/BaseTools/Source/Python/UPT/GenMetaFile/GenMetaFileMisc.py b/BaseTools/Source/Python/UPT/GenMetaFile/GenMetaFileMisc.py
index da3972c..c714697 100644
--- a/BaseTools/Source/Python/UPT/GenMetaFile/GenMetaFileMisc.py
+++ b/BaseTools/Source/Python/UPT/GenMetaFile/GenMetaFileMisc.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/GenMetaFile/GenXmlFile.py b/BaseTools/Source/Python/UPT/GenMetaFile/GenXmlFile.py
index 3376091..50d7997 100644
--- a/BaseTools/Source/Python/UPT/GenMetaFile/GenXmlFile.py
+++ b/BaseTools/Source/Python/UPT/GenMetaFile/GenXmlFile.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/GenMetaFile/__init__.py b/BaseTools/Source/Python/UPT/GenMetaFile/__init__.py
index bf0b3bc..508c6d0 100644
--- a/BaseTools/Source/Python/UPT/GenMetaFile/__init__.py
+++ b/BaseTools/Source/Python/UPT/GenMetaFile/__init__.py
@@ -6,13 +6,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/InstallPkg.py b/BaseTools/Source/Python/UPT/InstallPkg.py
index cbc54f9..6cb9f25 100644
--- a/BaseTools/Source/Python/UPT/InstallPkg.py
+++ b/BaseTools/Source/Python/UPT/InstallPkg.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 """
 Install a distribution package
diff --git a/BaseTools/Source/Python/UPT/InventoryWs.py b/BaseTools/Source/Python/UPT/InventoryWs.py
index c74e208..778c139 100644
--- a/BaseTools/Source/Python/UPT/InventoryWs.py
+++ b/BaseTools/Source/Python/UPT/InventoryWs.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 """
 Inventory workspace's distribution package information.
diff --git a/BaseTools/Source/Python/UPT/Library/CommentGenerating.py b/BaseTools/Source/Python/UPT/Library/CommentGenerating.py
index bd3514b..bded508 100644
--- a/BaseTools/Source/Python/UPT/Library/CommentGenerating.py
+++ b/BaseTools/Source/Python/UPT/Library/CommentGenerating.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Library/CommentParsing.py b/BaseTools/Source/Python/UPT/Library/CommentParsing.py
index 250ba2d..7ba9830 100644
--- a/BaseTools/Source/Python/UPT/Library/CommentParsing.py
+++ b/BaseTools/Source/Python/UPT/Library/CommentParsing.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Library/DataType.py b/BaseTools/Source/Python/UPT/Library/DataType.py
index 175b5f5..88559bc 100644
--- a/BaseTools/Source/Python/UPT/Library/DataType.py
+++ b/BaseTools/Source/Python/UPT/Library/DataType.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 DataType
diff --git a/BaseTools/Source/Python/UPT/Library/ExpressionValidate.py b/BaseTools/Source/Python/UPT/Library/ExpressionValidate.py
index 2e0253a..7718ca1 100644
--- a/BaseTools/Source/Python/UPT/Library/ExpressionValidate.py
+++ b/BaseTools/Source/Python/UPT/Library/ExpressionValidate.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 ExpressionValidate
diff --git a/BaseTools/Source/Python/UPT/Library/GlobalData.py b/BaseTools/Source/Python/UPT/Library/GlobalData.py
index 6b09387..8e88fb1 100644
--- a/BaseTools/Source/Python/UPT/Library/GlobalData.py
+++ b/BaseTools/Source/Python/UPT/Library/GlobalData.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 GlobalData
diff --git a/BaseTools/Source/Python/UPT/Library/Misc.py b/BaseTools/Source/Python/UPT/Library/Misc.py
index 0967ea5..77ba358 100644
--- a/BaseTools/Source/Python/UPT/Library/Misc.py
+++ b/BaseTools/Source/Python/UPT/Library/Misc.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2019, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Library/ParserValidate.py b/BaseTools/Source/Python/UPT/Library/ParserValidate.py
index 1408aec..62f4061 100644
--- a/BaseTools/Source/Python/UPT/Library/ParserValidate.py
+++ b/BaseTools/Source/Python/UPT/Library/ParserValidate.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Library/Parsing.py b/BaseTools/Source/Python/UPT/Library/Parsing.py
index f7e995b..6fb1337 100644
--- a/BaseTools/Source/Python/UPT/Library/Parsing.py
+++ b/BaseTools/Source/Python/UPT/Library/Parsing.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Library/StringUtils.py b/BaseTools/Source/Python/UPT/Library/StringUtils.py
index 6fa1ee8..e43924f 100644
--- a/BaseTools/Source/Python/UPT/Library/StringUtils.py
+++ b/BaseTools/Source/Python/UPT/Library/StringUtils.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 '''
 StringUtils
diff --git a/BaseTools/Source/Python/UPT/Library/UniClassObject.py b/BaseTools/Source/Python/UPT/Library/UniClassObject.py
index 35c416b..d25f300 100644
--- a/BaseTools/Source/Python/UPT/Library/UniClassObject.py
+++ b/BaseTools/Source/Python/UPT/Library/UniClassObject.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 """
 Collect all defined strings in multiple uni files
diff --git a/BaseTools/Source/Python/UPT/Library/Xml/XmlRoutines.py b/BaseTools/Source/Python/UPT/Library/Xml/XmlRoutines.py
index b24e3ed..94e97fa 100644
--- a/BaseTools/Source/Python/UPT/Library/Xml/XmlRoutines.py
+++ b/BaseTools/Source/Python/UPT/Library/Xml/XmlRoutines.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Library/Xml/__init__.py b/BaseTools/Source/Python/UPT/Library/Xml/__init__.py
index e8283c0..172e498 100644
--- a/BaseTools/Source/Python/UPT/Library/Xml/__init__.py
+++ b/BaseTools/Source/Python/UPT/Library/Xml/__init__.py
@@ -6,13 +6,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Library/__init__.py b/BaseTools/Source/Python/UPT/Library/__init__.py
index 3d52523..07b5b75 100644
--- a/BaseTools/Source/Python/UPT/Library/__init__.py
+++ b/BaseTools/Source/Python/UPT/Library/__init__.py
@@ -6,13 +6,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Logger/Log.py b/BaseTools/Source/Python/UPT/Logger/Log.py
index 7671202..a2e32a6 100644
--- a/BaseTools/Source/Python/UPT/Logger/Log.py
+++ b/BaseTools/Source/Python/UPT/Logger/Log.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Logger/StringTable.py b/BaseTools/Source/Python/UPT/Logger/StringTable.py
index d815d9c..59f71d3 100644
--- a/BaseTools/Source/Python/UPT/Logger/StringTable.py
+++ b/BaseTools/Source/Python/UPT/Logger/StringTable.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 ##
 """
 This file contains user visible strings in a format that can be used for
diff --git a/BaseTools/Source/Python/UPT/Logger/ToolError.py b/BaseTools/Source/Python/UPT/Logger/ToolError.py
index a074edc..925982b 100644
--- a/BaseTools/Source/Python/UPT/Logger/ToolError.py
+++ b/BaseTools/Source/Python/UPT/Logger/ToolError.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Logger/__init__.py b/BaseTools/Source/Python/UPT/Logger/__init__.py
index 494c2d4..e531984 100644
--- a/BaseTools/Source/Python/UPT/Logger/__init__.py
+++ b/BaseTools/Source/Python/UPT/Logger/__init__.py
@@ -6,13 +6,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/MkPkg.py b/BaseTools/Source/Python/UPT/MkPkg.py
index 3dc18ac..3c2771f 100644
--- a/BaseTools/Source/Python/UPT/MkPkg.py
+++ b/BaseTools/Source/Python/UPT/MkPkg.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Object/POM/CommonObject.py b/BaseTools/Source/Python/UPT/Object/POM/CommonObject.py
index a4fc587..ae8fe83 100644
--- a/BaseTools/Source/Python/UPT/Object/POM/CommonObject.py
+++ b/BaseTools/Source/Python/UPT/Object/POM/CommonObject.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 Common Object
diff --git a/BaseTools/Source/Python/UPT/Object/POM/ModuleObject.py b/BaseTools/Source/Python/UPT/Object/POM/ModuleObject.py
index 6bccd2b..6e515a2 100644
--- a/BaseTools/Source/Python/UPT/Object/POM/ModuleObject.py
+++ b/BaseTools/Source/Python/UPT/Object/POM/ModuleObject.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 ModuleObject
diff --git a/BaseTools/Source/Python/UPT/Object/POM/PackageObject.py b/BaseTools/Source/Python/UPT/Object/POM/PackageObject.py
index 46de837..fcc2a3b 100644
--- a/BaseTools/Source/Python/UPT/Object/POM/PackageObject.py
+++ b/BaseTools/Source/Python/UPT/Object/POM/PackageObject.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 PackageObject
diff --git a/BaseTools/Source/Python/UPT/Object/POM/__init__.py b/BaseTools/Source/Python/UPT/Object/POM/__init__.py
index fdf3d8b..b36e7f6 100644
--- a/BaseTools/Source/Python/UPT/Object/POM/__init__.py
+++ b/BaseTools/Source/Python/UPT/Object/POM/__init__.py
@@ -6,13 +6,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Object/Parser/DecObject.py b/BaseTools/Source/Python/UPT/Object/Parser/DecObject.py
index fab4be3..2a7fcf1 100644
--- a/BaseTools/Source/Python/UPT/Object/Parser/DecObject.py
+++ b/BaseTools/Source/Python/UPT/Object/Parser/DecObject.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 DecObject
diff --git a/BaseTools/Source/Python/UPT/Object/Parser/InfBinaryObject.py b/BaseTools/Source/Python/UPT/Object/Parser/InfBinaryObject.py
index af5af46..6b55d01 100644
--- a/BaseTools/Source/Python/UPT/Object/Parser/InfBinaryObject.py
+++ b/BaseTools/Source/Python/UPT/Object/Parser/InfBinaryObject.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 InfBinaryObject
diff --git a/BaseTools/Source/Python/UPT/Object/Parser/InfBuildOptionObject.py b/BaseTools/Source/Python/UPT/Object/Parser/InfBuildOptionObject.py
index 6011fbf..3383dc4 100644
--- a/BaseTools/Source/Python/UPT/Object/Parser/InfBuildOptionObject.py
+++ b/BaseTools/Source/Python/UPT/Object/Parser/InfBuildOptionObject.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 InfBuildOptionObject
diff --git a/BaseTools/Source/Python/UPT/Object/Parser/InfCommonObject.py b/BaseTools/Source/Python/UPT/Object/Parser/InfCommonObject.py
index 49be7d9..aa23d08 100644
--- a/BaseTools/Source/Python/UPT/Object/Parser/InfCommonObject.py
+++ b/BaseTools/Source/Python/UPT/Object/Parser/InfCommonObject.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 InfCommonObject
diff --git a/BaseTools/Source/Python/UPT/Object/Parser/InfDefineCommonObject.py b/BaseTools/Source/Python/UPT/Object/Parser/InfDefineCommonObject.py
index ded7965..738a4c2 100644
--- a/BaseTools/Source/Python/UPT/Object/Parser/InfDefineCommonObject.py
+++ b/BaseTools/Source/Python/UPT/Object/Parser/InfDefineCommonObject.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 InfDefineCommonObject
diff --git a/BaseTools/Source/Python/UPT/Object/Parser/InfDefineObject.py b/BaseTools/Source/Python/UPT/Object/Parser/InfDefineObject.py
index 8998d69..a1b691f 100644
--- a/BaseTools/Source/Python/UPT/Object/Parser/InfDefineObject.py
+++ b/BaseTools/Source/Python/UPT/Object/Parser/InfDefineObject.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 InfDefineObject
diff --git a/BaseTools/Source/Python/UPT/Object/Parser/InfDepexObject.py b/BaseTools/Source/Python/UPT/Object/Parser/InfDepexObject.py
index b8362df..0de6632 100644
--- a/BaseTools/Source/Python/UPT/Object/Parser/InfDepexObject.py
+++ b/BaseTools/Source/Python/UPT/Object/Parser/InfDepexObject.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 InfDepexObject
diff --git a/BaseTools/Source/Python/UPT/Object/Parser/InfGuidObject.py b/BaseTools/Source/Python/UPT/Object/Parser/InfGuidObject.py
index 52c03ee..3e0bc80 100644
--- a/BaseTools/Source/Python/UPT/Object/Parser/InfGuidObject.py
+++ b/BaseTools/Source/Python/UPT/Object/Parser/InfGuidObject.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 InfGuidObject
diff --git a/BaseTools/Source/Python/UPT/Object/Parser/InfHeaderObject.py b/BaseTools/Source/Python/UPT/Object/Parser/InfHeaderObject.py
index d2a8a4a..087edca 100644
--- a/BaseTools/Source/Python/UPT/Object/Parser/InfHeaderObject.py
+++ b/BaseTools/Source/Python/UPT/Object/Parser/InfHeaderObject.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 InfHeaderObject
diff --git a/BaseTools/Source/Python/UPT/Object/Parser/InfLibraryClassesObject.py b/BaseTools/Source/Python/UPT/Object/Parser/InfLibraryClassesObject.py
index 82eca12..2e56028 100644
--- a/BaseTools/Source/Python/UPT/Object/Parser/InfLibraryClassesObject.py
+++ b/BaseTools/Source/Python/UPT/Object/Parser/InfLibraryClassesObject.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 InfLibraryClassesObject
diff --git a/BaseTools/Source/Python/UPT/Object/Parser/InfMisc.py b/BaseTools/Source/Python/UPT/Object/Parser/InfMisc.py
index c75e7d7..469d6fb 100644
--- a/BaseTools/Source/Python/UPT/Object/Parser/InfMisc.py
+++ b/BaseTools/Source/Python/UPT/Object/Parser/InfMisc.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 InfMisc
diff --git a/BaseTools/Source/Python/UPT/Object/Parser/InfPackagesObject.py b/BaseTools/Source/Python/UPT/Object/Parser/InfPackagesObject.py
index b2ca573..0e8fc7d 100644
--- a/BaseTools/Source/Python/UPT/Object/Parser/InfPackagesObject.py
+++ b/BaseTools/Source/Python/UPT/Object/Parser/InfPackagesObject.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 InfPackageObject
diff --git a/BaseTools/Source/Python/UPT/Object/Parser/InfPcdObject.py b/BaseTools/Source/Python/UPT/Object/Parser/InfPcdObject.py
index b812d32..fd8065f 100644
--- a/BaseTools/Source/Python/UPT/Object/Parser/InfPcdObject.py
+++ b/BaseTools/Source/Python/UPT/Object/Parser/InfPcdObject.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 InfPcdObject
diff --git a/BaseTools/Source/Python/UPT/Object/Parser/InfPpiObject.py b/BaseTools/Source/Python/UPT/Object/Parser/InfPpiObject.py
index b871a50..1968c36 100644
--- a/BaseTools/Source/Python/UPT/Object/Parser/InfPpiObject.py
+++ b/BaseTools/Source/Python/UPT/Object/Parser/InfPpiObject.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 InfPpiObject
diff --git a/BaseTools/Source/Python/UPT/Object/Parser/InfProtocolObject.py b/BaseTools/Source/Python/UPT/Object/Parser/InfProtocolObject.py
index 819d2ff..80bfca6 100644
--- a/BaseTools/Source/Python/UPT/Object/Parser/InfProtocolObject.py
+++ b/BaseTools/Source/Python/UPT/Object/Parser/InfProtocolObject.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 InfProtocolObject
diff --git a/BaseTools/Source/Python/UPT/Object/Parser/InfSoucesObject.py b/BaseTools/Source/Python/UPT/Object/Parser/InfSoucesObject.py
index 3eefde7..75ea209 100644
--- a/BaseTools/Source/Python/UPT/Object/Parser/InfSoucesObject.py
+++ b/BaseTools/Source/Python/UPT/Object/Parser/InfSoucesObject.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 InfSourcesObject
diff --git a/BaseTools/Source/Python/UPT/Object/Parser/InfUserExtensionObject.py b/BaseTools/Source/Python/UPT/Object/Parser/InfUserExtensionObject.py
index d83fd53..ce017db 100644
--- a/BaseTools/Source/Python/UPT/Object/Parser/InfUserExtensionObject.py
+++ b/BaseTools/Source/Python/UPT/Object/Parser/InfUserExtensionObject.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 InfUserExtensionsObject
diff --git a/BaseTools/Source/Python/UPT/Object/Parser/__init__.py b/BaseTools/Source/Python/UPT/Object/Parser/__init__.py
index f348a9b..268ce7c 100644
--- a/BaseTools/Source/Python/UPT/Object/Parser/__init__.py
+++ b/BaseTools/Source/Python/UPT/Object/Parser/__init__.py
@@ -6,13 +6,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Object/__init__.py b/BaseTools/Source/Python/UPT/Object/__init__.py
index c13c5bf..53db440 100644
--- a/BaseTools/Source/Python/UPT/Object/__init__.py
+++ b/BaseTools/Source/Python/UPT/Object/__init__.py
@@ -6,13 +6,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Parser/DecParser.py b/BaseTools/Source/Python/UPT/Parser/DecParser.py
index 92bd64b..8dfa12d 100644
--- a/BaseTools/Source/Python/UPT/Parser/DecParser.py
+++ b/BaseTools/Source/Python/UPT/Parser/DecParser.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 '''
 DecParser
 '''
diff --git a/BaseTools/Source/Python/UPT/Parser/DecParserMisc.py b/BaseTools/Source/Python/UPT/Parser/DecParserMisc.py
index 9ec3462..2799046 100644
--- a/BaseTools/Source/Python/UPT/Parser/DecParserMisc.py
+++ b/BaseTools/Source/Python/UPT/Parser/DecParserMisc.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 '''
 DecParserMisc
diff --git a/BaseTools/Source/Python/UPT/Parser/InfAsBuiltProcess.py b/BaseTools/Source/Python/UPT/Parser/InfAsBuiltProcess.py
index 53b6262..992b609 100644
--- a/BaseTools/Source/Python/UPT/Parser/InfAsBuiltProcess.py
+++ b/BaseTools/Source/Python/UPT/Parser/InfAsBuiltProcess.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 '''
 InfAsBuiltProcess
 '''
diff --git a/BaseTools/Source/Python/UPT/Parser/InfBinarySectionParser.py b/BaseTools/Source/Python/UPT/Parser/InfBinarySectionParser.py
index 43cdeee..58b5327 100644
--- a/BaseTools/Source/Python/UPT/Parser/InfBinarySectionParser.py
+++ b/BaseTools/Source/Python/UPT/Parser/InfBinarySectionParser.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 '''
 InfBinarySectionParser
diff --git a/BaseTools/Source/Python/UPT/Parser/InfBuildOptionSectionParser.py b/BaseTools/Source/Python/UPT/Parser/InfBuildOptionSectionParser.py
index 43b6ee2..e3b48e9 100644
--- a/BaseTools/Source/Python/UPT/Parser/InfBuildOptionSectionParser.py
+++ b/BaseTools/Source/Python/UPT/Parser/InfBuildOptionSectionParser.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Parser/InfDefineSectionParser.py b/BaseTools/Source/Python/UPT/Parser/InfDefineSectionParser.py
index 397a9b1..a63e40e 100644
--- a/BaseTools/Source/Python/UPT/Parser/InfDefineSectionParser.py
+++ b/BaseTools/Source/Python/UPT/Parser/InfDefineSectionParser.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Parser/InfDepexSectionParser.py b/BaseTools/Source/Python/UPT/Parser/InfDepexSectionParser.py
index 7e21143..a2e836e 100644
--- a/BaseTools/Source/Python/UPT/Parser/InfDepexSectionParser.py
+++ b/BaseTools/Source/Python/UPT/Parser/InfDepexSectionParser.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 '''
 InfDepexSectionParser
diff --git a/BaseTools/Source/Python/UPT/Parser/InfGuidPpiProtocolSectionParser.py b/BaseTools/Source/Python/UPT/Parser/InfGuidPpiProtocolSectionParser.py
index 75396dd..9b83c04 100644
--- a/BaseTools/Source/Python/UPT/Parser/InfGuidPpiProtocolSectionParser.py
+++ b/BaseTools/Source/Python/UPT/Parser/InfGuidPpiProtocolSectionParser.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 '''
 InfGuidPpiProtocolSectionParser
diff --git a/BaseTools/Source/Python/UPT/Parser/InfLibrarySectionParser.py b/BaseTools/Source/Python/UPT/Parser/InfLibrarySectionParser.py
index 1a70144..f2070b5 100644
--- a/BaseTools/Source/Python/UPT/Parser/InfLibrarySectionParser.py
+++ b/BaseTools/Source/Python/UPT/Parser/InfLibrarySectionParser.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 '''
 InfLibrarySectionParser
diff --git a/BaseTools/Source/Python/UPT/Parser/InfPackageSectionParser.py b/BaseTools/Source/Python/UPT/Parser/InfPackageSectionParser.py
index 0ddd4ef..f432410 100644
--- a/BaseTools/Source/Python/UPT/Parser/InfPackageSectionParser.py
+++ b/BaseTools/Source/Python/UPT/Parser/InfPackageSectionParser.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 '''
 InfPackageSectionParser
diff --git a/BaseTools/Source/Python/UPT/Parser/InfParser.py b/BaseTools/Source/Python/UPT/Parser/InfParser.py
index 5df7320..2072be6 100644
--- a/BaseTools/Source/Python/UPT/Parser/InfParser.py
+++ b/BaseTools/Source/Python/UPT/Parser/InfParser.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Parser/InfParserMisc.py b/BaseTools/Source/Python/UPT/Parser/InfParserMisc.py
index 78908fd..d01ae9a 100644
--- a/BaseTools/Source/Python/UPT/Parser/InfParserMisc.py
+++ b/BaseTools/Source/Python/UPT/Parser/InfParserMisc.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Parser/InfPcdSectionParser.py b/BaseTools/Source/Python/UPT/Parser/InfPcdSectionParser.py
index b741616..6954742 100644
--- a/BaseTools/Source/Python/UPT/Parser/InfPcdSectionParser.py
+++ b/BaseTools/Source/Python/UPT/Parser/InfPcdSectionParser.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 '''
 InfPcdSectionParser
diff --git a/BaseTools/Source/Python/UPT/Parser/InfSectionParser.py b/BaseTools/Source/Python/UPT/Parser/InfSectionParser.py
index d9c9d41..474d373 100644
--- a/BaseTools/Source/Python/UPT/Parser/InfSectionParser.py
+++ b/BaseTools/Source/Python/UPT/Parser/InfSectionParser.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Parser/InfSourceSectionParser.py b/BaseTools/Source/Python/UPT/Parser/InfSourceSectionParser.py
index 6b94394..916df7e 100644
--- a/BaseTools/Source/Python/UPT/Parser/InfSourceSectionParser.py
+++ b/BaseTools/Source/Python/UPT/Parser/InfSourceSectionParser.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 '''
 InfSourceSectionParser
diff --git a/BaseTools/Source/Python/UPT/Parser/__init__.py b/BaseTools/Source/Python/UPT/Parser/__init__.py
index e98b8a6..785b56d 100644
--- a/BaseTools/Source/Python/UPT/Parser/__init__.py
+++ b/BaseTools/Source/Python/UPT/Parser/__init__.py
@@ -6,13 +6,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/PomAdapter/DecPomAlignment.py b/BaseTools/Source/Python/UPT/PomAdapter/DecPomAlignment.py
index a7b59d9..da92fe5 100644
--- a/BaseTools/Source/Python/UPT/PomAdapter/DecPomAlignment.py
+++ b/BaseTools/Source/Python/UPT/PomAdapter/DecPomAlignment.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/PomAdapter/InfPomAlignment.py b/BaseTools/Source/Python/UPT/PomAdapter/InfPomAlignment.py
index d014817..9c406e5 100644
--- a/BaseTools/Source/Python/UPT/PomAdapter/InfPomAlignment.py
+++ b/BaseTools/Source/Python/UPT/PomAdapter/InfPomAlignment.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 '''
 InfPomAlignment
diff --git a/BaseTools/Source/Python/UPT/PomAdapter/InfPomAlignmentMisc.py b/BaseTools/Source/Python/UPT/PomAdapter/InfPomAlignmentMisc.py
index 68f281b..08a6b25 100644
--- a/BaseTools/Source/Python/UPT/PomAdapter/InfPomAlignmentMisc.py
+++ b/BaseTools/Source/Python/UPT/PomAdapter/InfPomAlignmentMisc.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/PomAdapter/__init__.py b/BaseTools/Source/Python/UPT/PomAdapter/__init__.py
index f548326..a7c7e9d 100644
--- a/BaseTools/Source/Python/UPT/PomAdapter/__init__.py
+++ b/BaseTools/Source/Python/UPT/PomAdapter/__init__.py
@@ -6,13 +6,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/ReplacePkg.py b/BaseTools/Source/Python/UPT/ReplacePkg.py
index 9531eb5..843f621 100644
--- a/BaseTools/Source/Python/UPT/ReplacePkg.py
+++ b/BaseTools/Source/Python/UPT/ReplacePkg.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 """
 Replace a distribution package
diff --git a/BaseTools/Source/Python/UPT/RmPkg.py b/BaseTools/Source/Python/UPT/RmPkg.py
index 3d97295..e3db8b6 100644
--- a/BaseTools/Source/Python/UPT/RmPkg.py
+++ b/BaseTools/Source/Python/UPT/RmPkg.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/TestInstall.py b/BaseTools/Source/Python/UPT/TestInstall.py
index d891873..443c493 100644
--- a/BaseTools/Source/Python/UPT/TestInstall.py
+++ b/BaseTools/Source/Python/UPT/TestInstall.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 """
 Test Install multiple distribution package
diff --git a/BaseTools/Source/Python/UPT/UPT.py b/BaseTools/Source/Python/UPT/UPT.py
index 55b63a3..480f389 100644
--- a/BaseTools/Source/Python/UPT/UPT.py
+++ b/BaseTools/Source/Python/UPT/UPT.py
@@ -4,13 +4,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/UnitTest/CommentGeneratingUnitTest.py b/BaseTools/Source/Python/UPT/UnitTest/CommentGeneratingUnitTest.py
index 3371ec3..dc67dc6 100644
--- a/BaseTools/Source/Python/UPT/UnitTest/CommentGeneratingUnitTest.py
+++ b/BaseTools/Source/Python/UPT/UnitTest/CommentGeneratingUnitTest.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 import os
 import unittest
diff --git a/BaseTools/Source/Python/UPT/UnitTest/CommentParsingUnitTest.py b/BaseTools/Source/Python/UPT/UnitTest/CommentParsingUnitTest.py
index e719567..4a3f6db 100644
--- a/BaseTools/Source/Python/UPT/UnitTest/CommentParsingUnitTest.py
+++ b/BaseTools/Source/Python/UPT/UnitTest/CommentParsingUnitTest.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 import unittest
 
diff --git a/BaseTools/Source/Python/UPT/UnitTest/DecParserTest.py b/BaseTools/Source/Python/UPT/UnitTest/DecParserTest.py
index 0ea5ea1..b9f7dfe 100644
--- a/BaseTools/Source/Python/UPT/UnitTest/DecParserTest.py
+++ b/BaseTools/Source/Python/UPT/UnitTest/DecParserTest.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 from __future__ import print_function
 import os
diff --git a/BaseTools/Source/Python/UPT/UnitTest/DecParserUnitTest.py b/BaseTools/Source/Python/UPT/UnitTest/DecParserUnitTest.py
index 752a9ea..bac127f 100644
--- a/BaseTools/Source/Python/UPT/UnitTest/DecParserUnitTest.py
+++ b/BaseTools/Source/Python/UPT/UnitTest/DecParserUnitTest.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 import os
 import unittest
diff --git a/BaseTools/Source/Python/UPT/UnitTest/InfBinarySectionTest.py b/BaseTools/Source/Python/UPT/UnitTest/InfBinarySectionTest.py
index 9a10ec1..12e3045 100644
--- a/BaseTools/Source/Python/UPT/UnitTest/InfBinarySectionTest.py
+++ b/BaseTools/Source/Python/UPT/UnitTest/InfBinarySectionTest.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 
 from __future__ import print_function
 import os
diff --git a/BaseTools/Source/Python/UPT/Xml/CommonXml.py b/BaseTools/Source/Python/UPT/Xml/CommonXml.py
index 94fb087..cfadacf 100644
--- a/BaseTools/Source/Python/UPT/Xml/CommonXml.py
+++ b/BaseTools/Source/Python/UPT/Xml/CommonXml.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Xml/GuidProtocolPpiXml.py b/BaseTools/Source/Python/UPT/Xml/GuidProtocolPpiXml.py
index d4db920..d6645fc 100644
--- a/BaseTools/Source/Python/UPT/Xml/GuidProtocolPpiXml.py
+++ b/BaseTools/Source/Python/UPT/Xml/GuidProtocolPpiXml.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Xml/IniToXml.py b/BaseTools/Source/Python/UPT/Xml/IniToXml.py
index 8125f18..3dc4001 100644
--- a/BaseTools/Source/Python/UPT/Xml/IniToXml.py
+++ b/BaseTools/Source/Python/UPT/Xml/IniToXml.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Xml/ModuleSurfaceAreaXml.py b/BaseTools/Source/Python/UPT/Xml/ModuleSurfaceAreaXml.py
index 7480cb5..741da90 100644
--- a/BaseTools/Source/Python/UPT/Xml/ModuleSurfaceAreaXml.py
+++ b/BaseTools/Source/Python/UPT/Xml/ModuleSurfaceAreaXml.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Xml/PackageSurfaceAreaXml.py b/BaseTools/Source/Python/UPT/Xml/PackageSurfaceAreaXml.py
index 00666bf..1039390 100644
--- a/BaseTools/Source/Python/UPT/Xml/PackageSurfaceAreaXml.py
+++ b/BaseTools/Source/Python/UPT/Xml/PackageSurfaceAreaXml.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Xml/PcdXml.py b/BaseTools/Source/Python/UPT/Xml/PcdXml.py
index 7a0eb7f..bbcee45 100644
--- a/BaseTools/Source/Python/UPT/Xml/PcdXml.py
+++ b/BaseTools/Source/Python/UPT/Xml/PcdXml.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Xml/XmlParser.py b/BaseTools/Source/Python/UPT/Xml/XmlParser.py
index 82f307b..8e22a28 100644
--- a/BaseTools/Source/Python/UPT/Xml/XmlParser.py
+++ b/BaseTools/Source/Python/UPT/Xml/XmlParser.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Xml/XmlParserMisc.py b/BaseTools/Source/Python/UPT/Xml/XmlParserMisc.py
index bf64d89..48381ee 100644
--- a/BaseTools/Source/Python/UPT/Xml/XmlParserMisc.py
+++ b/BaseTools/Source/Python/UPT/Xml/XmlParserMisc.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/UPT/Xml/__init__.py b/BaseTools/Source/Python/UPT/Xml/__init__.py
index e8283c0..172e498 100644
--- a/BaseTools/Source/Python/UPT/Xml/__init__.py
+++ b/BaseTools/Source/Python/UPT/Xml/__init__.py
@@ -6,13 +6,7 @@
 #
 # Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
 #
-# This program and the accompanying materials are licensed and made available
-# under the terms and conditions of the BSD License which accompanies this
-# distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 '''
diff --git a/BaseTools/Source/Python/Workspace/BuildClassObject.py b/BaseTools/Source/Python/Workspace/BuildClassObject.py
index 3213855..33d88c6 100644
--- a/BaseTools/Source/Python/Workspace/BuildClassObject.py
+++ b/BaseTools/Source/Python/Workspace/BuildClassObject.py
@@ -2,13 +2,7 @@
 # This file is used to define each component of the build database
 #
 # Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 from collections import OrderedDict, namedtuple
diff --git a/BaseTools/Source/Python/Workspace/DecBuildData.py b/BaseTools/Source/Python/Workspace/DecBuildData.py
index 149c057..d58d88e 100644
--- a/BaseTools/Source/Python/Workspace/DecBuildData.py
+++ b/BaseTools/Source/Python/Workspace/DecBuildData.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
 # (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 from Common.StringUtils import *
 from Common.DataType import *
diff --git a/BaseTools/Source/Python/Workspace/DscBuildData.py b/BaseTools/Source/Python/Workspace/DscBuildData.py
index 129c0c9..f34cf18 100644
--- a/BaseTools/Source/Python/Workspace/DscBuildData.py
+++ b/BaseTools/Source/Python/Workspace/DscBuildData.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2008 - 2019, Intel Corporation. All rights reserved.<BR>
 # (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ## Platform build information from DSC file
diff --git a/BaseTools/Source/Python/Workspace/InfBuildData.py b/BaseTools/Source/Python/Workspace/InfBuildData.py
index 9fed119..e66b7c9 100644
--- a/BaseTools/Source/Python/Workspace/InfBuildData.py
+++ b/BaseTools/Source/Python/Workspace/InfBuildData.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
 # (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 from __future__ import absolute_import
diff --git a/BaseTools/Source/Python/Workspace/MetaDataTable.py b/BaseTools/Source/Python/Workspace/MetaDataTable.py
index c5be0ab..a20bd14 100644
--- a/BaseTools/Source/Python/Workspace/MetaDataTable.py
+++ b/BaseTools/Source/Python/Workspace/MetaDataTable.py
@@ -2,13 +2,7 @@
 # This file is used to create/update/query/erase table for files
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Workspace/MetaFileCommentParser.py b/BaseTools/Source/Python/Workspace/MetaFileCommentParser.py
index df1e90f..3737ae3 100644
--- a/BaseTools/Source/Python/Workspace/MetaFileCommentParser.py
+++ b/BaseTools/Source/Python/Workspace/MetaFileCommentParser.py
@@ -2,13 +2,7 @@
 # This file is used to check format of comments
 #
 # Copyright (c) 2012, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 from CommonDataClass.DataClass import (
diff --git a/BaseTools/Source/Python/Workspace/MetaFileParser.py b/BaseTools/Source/Python/Workspace/MetaFileParser.py
index 519d300..806fc32 100644
--- a/BaseTools/Source/Python/Workspace/MetaFileParser.py
+++ b/BaseTools/Source/Python/Workspace/MetaFileParser.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
 # (C) Copyright 2015-2018 Hewlett Packard Enterprise Development LP<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Workspace/MetaFileTable.py b/BaseTools/Source/Python/Workspace/MetaFileTable.py
index 8832fc0..0555c91 100644
--- a/BaseTools/Source/Python/Workspace/MetaFileTable.py
+++ b/BaseTools/Source/Python/Workspace/MetaFileTable.py
@@ -2,13 +2,7 @@
 # This file is used to create/update/query/erase a meta file table
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Workspace/WorkspaceCommon.py b/BaseTools/Source/Python/Workspace/WorkspaceCommon.py
index b79280b..0cc8311 100644
--- a/BaseTools/Source/Python/Workspace/WorkspaceCommon.py
+++ b/BaseTools/Source/Python/Workspace/WorkspaceCommon.py
@@ -2,13 +2,7 @@
 # Common routines used by workspace
 #
 # Copyright (c) 2012 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 from __future__ import absolute_import
diff --git a/BaseTools/Source/Python/Workspace/WorkspaceDatabase.py b/BaseTools/Source/Python/Workspace/WorkspaceDatabase.py
index 921a229..28a975f 100644
--- a/BaseTools/Source/Python/Workspace/WorkspaceDatabase.py
+++ b/BaseTools/Source/Python/Workspace/WorkspaceDatabase.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
 # (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/Workspace/__init__.py b/BaseTools/Source/Python/Workspace/__init__.py
index 05cd34b..85ae993 100644
--- a/BaseTools/Source/Python/Workspace/__init__.py
+++ b/BaseTools/Source/Python/Workspace/__init__.py
@@ -5,11 +5,5 @@
 # as containing package.
 #
 # Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
diff --git a/BaseTools/Source/Python/build/BuildReport.py b/BaseTools/Source/Python/build/BuildReport.py
index 65b2979..942631c 100644
--- a/BaseTools/Source/Python/build/BuildReport.py
+++ b/BaseTools/Source/Python/build/BuildReport.py
@@ -5,13 +5,7 @@
 # build all target completes successfully.
 #
 # Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ## Import Modules
diff --git a/BaseTools/Source/Python/build/__init__.py b/BaseTools/Source/Python/build/__init__.py
index 64cf63b..41a3808 100644
--- a/BaseTools/Source/Python/build/__init__.py
+++ b/BaseTools/Source/Python/build/__init__.py
@@ -5,11 +5,5 @@
 # as containing package.
 #
 # Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 #
diff --git a/BaseTools/Source/Python/build/build.py b/BaseTools/Source/Python/build/build.py
index de641fb..587370c 100644
--- a/BaseTools/Source/Python/build/build.py
+++ b/BaseTools/Source/Python/build/build.py
@@ -5,13 +5,7 @@
 #  Copyright (c) 2007 - 2019, Intel Corporation. All rights reserved.<BR>
 #  Copyright (c) 2018, Hewlett Packard Enterprise Development, L.P.<BR>
 #
-#  This program and the accompanying materials
-#  are licensed and made available under the terms and conditions of the BSD License
-#  which accompanies this distribution.  The full text of the license may be found at
-#  http://opensource.org/licenses/bsd-license.php
-#
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ##
diff --git a/BaseTools/Source/Python/sitecustomize.py b/BaseTools/Source/Python/sitecustomize.py
index 3afa907..7dbbf8a 100644
--- a/BaseTools/Source/Python/sitecustomize.py
+++ b/BaseTools/Source/Python/sitecustomize.py
@@ -3,13 +3,7 @@
 #
 # Copyright (c) 2009 - 2014, Apple Inc. All rights reserved.<BR>
 #
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
 import sys
 import locale
 
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