67 files changed, 67 insertions, 485 deletions
diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h
index 616ba2e95b..ebd7dd274c 100644
--- a/MdePkg/Include/Library/BaseLib.h
+++ b/MdePkg/Include/Library/BaseLib.h
@@ -4,13 +4,7 @@
 
 Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
 Portions copyright (c) 2008 - 2009, 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
 
 **/
 
diff --git a/MdePkg/Include/Library/BaseMemoryLib.h b/MdePkg/Include/Library/BaseMemoryLib.h
index f865e8a59a..46026ffd1a 100644
--- a/MdePkg/Include/Library/BaseMemoryLib.h
+++ b/MdePkg/Include/Library/BaseMemoryLib.h
@@ -6,13 +6,7 @@
   This allows optimized library implementations to help increase performance.
 
 Copyright (c) 2006 - 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 that accompanies this distribution.
-The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php.
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD 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/MdePkg/Include/Library/CacheMaintenanceLib.h b/MdePkg/Include/Library/CacheMaintenanceLib.h
index 9a0170dbd8..3bd5e79667 100644
--- a/MdePkg/Include/Library/CacheMaintenanceLib.h
+++ b/MdePkg/Include/Library/CacheMaintenanceLib.h
@@ -5,13 +5,7 @@
   It removes the need to use assembly in C code.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/CpuLib.h b/MdePkg/Include/Library/CpuLib.h
index 3f69b1fccc..3187d736b7 100644
--- a/MdePkg/Include/Library/CpuLib.h
+++ b/MdePkg/Include/Library/CpuLib.h
@@ -8,13 +8,7 @@
   As a result, these services could not be defined in the Base Library.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/DebugLib.h b/MdePkg/Include/Library/DebugLib.h
index 77fb1ee259..f1d55cf62b 100644
--- a/MdePkg/Include/Library/DebugLib.h
+++ b/MdePkg/Include/Library/DebugLib.h
@@ -9,13 +9,7 @@
   defined, then debug and assert related macros wrapped by it are the NULL implementations.
 
 Copyright (c) 2006 - 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 that accompanies this distribution.
-The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php.
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD 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/MdePkg/Include/Library/DebugPrintErrorLevelLib.h b/MdePkg/Include/Library/DebugPrintErrorLevelLib.h
index 0b0df804b5..6992ec800f 100644
--- a/MdePkg/Include/Library/DebugPrintErrorLevelLib.h
+++ b/MdePkg/Include/Library/DebugPrintErrorLevelLib.h
@@ -2,13 +2,7 @@
   Debug Print Error Level Library class
 
   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
 
 **/
 #ifndef _DEBUG_PRINT_ERROR_LEVEL_LIB_H_
diff --git a/MdePkg/Include/Library/DevicePathLib.h b/MdePkg/Include/Library/DevicePathLib.h
index 670e7b0424..26361fe401 100644
--- a/MdePkg/Include/Library/DevicePathLib.h
+++ b/MdePkg/Include/Library/DevicePathLib.h
@@ -5,13 +5,7 @@
   EFI_DEVICE_PATH_PROTOCOL structures.
 
 Copyright (c) 2006 - 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 that accompanies this distribution.
-The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php.
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD 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/MdePkg/Include/Library/DxeCoreEntryPoint.h b/MdePkg/Include/Library/DxeCoreEntryPoint.h
index 8b2302bdfe..2829afcb5d 100644
--- a/MdePkg/Include/Library/DxeCoreEntryPoint.h
+++ b/MdePkg/Include/Library/DxeCoreEntryPoint.h
@@ -2,13 +2,7 @@
   Module entry point library for DXE core.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/DxeServicesLib.h b/MdePkg/Include/Library/DxeServicesLib.h
index 3764d15312..838abf356f 100644
--- a/MdePkg/Include/Library/DxeServicesLib.h
+++ b/MdePkg/Include/Library/DxeServicesLib.h
@@ -4,13 +4,7 @@
 
 Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
 (C) Copyright 2015 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 that accompanies this distribution.
-The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php.
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD 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/MdePkg/Include/Library/DxeServicesTableLib.h b/MdePkg/Include/Library/DxeServicesTableLib.h
index 9a3b036f6d..5e90cc81fe 100644
--- a/MdePkg/Include/Library/DxeServicesTableLib.h
+++ b/MdePkg/Include/Library/DxeServicesTableLib.h
@@ -12,13 +12,7 @@
   or Dispatcher services.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/ExtendedSalLib.h b/MdePkg/Include/Library/ExtendedSalLib.h
index 3f2b0a921a..85cfe5a34c 100644
--- a/MdePkg/Include/Library/ExtendedSalLib.h
+++ b/MdePkg/Include/Library/ExtendedSalLib.h
@@ -2,13 +2,7 @@
   Library class definition of Extended SAL Library.
 
 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/MdePkg/Include/Library/ExtractGuidedSectionLib.h b/MdePkg/Include/Library/ExtractGuidedSectionLib.h
index cc6c6fff24..e1a369c3d0 100644
--- a/MdePkg/Include/Library/ExtractGuidedSectionLib.h
+++ b/MdePkg/Include/Library/ExtractGuidedSectionLib.h
@@ -11,13 +11,7 @@
   providing a simple method to extend the number of GUIDed sections types a platform supports.
 
 Copyright (c) 2006 - 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
 
 **/
 #ifndef __EXTRACT_GUIDED_SECTION_H__
diff --git a/MdePkg/Include/Library/FileHandleLib.h b/MdePkg/Include/Library/FileHandleLib.h
index 0551773481..6edbb6ce3e 100644
--- a/MdePkg/Include/Library/FileHandleLib.h
+++ b/MdePkg/Include/Library/FileHandleLib.h
@@ -2,13 +2,7 @@
   Provides interface to EFI_FILE_HANDLE functionality.
 
   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/MdePkg/Include/Library/HobLib.h b/MdePkg/Include/Library/HobLib.h
index 383f605a9d..517365eae5 100644
--- a/MdePkg/Include/Library/HobLib.h
+++ b/MdePkg/Include/Library/HobLib.h
@@ -9,13 +9,7 @@
   independent and can be relocated easily to different memory locations.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/HstiLib.h b/MdePkg/Include/Library/HstiLib.h
index 9af8817b75..5c5dbebeec 100644
--- a/MdePkg/Include/Library/HstiLib.h
+++ b/MdePkg/Include/Library/HstiLib.h
@@ -2,13 +2,7 @@
   Provides services to create, get and update HSTI table in AIP protocol.
 
   Copyright (c) 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/MdePkg/Include/Library/IoLib.h b/MdePkg/Include/Library/IoLib.h
index a16594d5d4..afdb0d83a7 100644
--- a/MdePkg/Include/Library/IoLib.h
+++ b/MdePkg/Include/Library/IoLib.h
@@ -4,13 +4,7 @@
 Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
 Copyright (c) 2017, AMD Incorporated. 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/MdePkg/Include/Library/MemoryAllocationLib.h b/MdePkg/Include/Library/MemoryAllocationLib.h
index d24d1d663e..65a30cf146 100644
--- a/MdePkg/Include/Library/MemoryAllocationLib.h
+++ b/MdePkg/Include/Library/MemoryAllocationLib.h
@@ -7,13 +7,7 @@
   much easier to port algorithms from phase to phase.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/MmServicesTableLib.h b/MdePkg/Include/Library/MmServicesTableLib.h
index 56a03e0edc..aa115e6970 100644
--- a/MdePkg/Include/Library/MmServicesTableLib.h
+++ b/MdePkg/Include/Library/MmServicesTableLib.h
@@ -5,13 +5,7 @@
 Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
 Copyright (c) 2016 - 2018, ARM Limited. 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/MdePkg/Include/Library/OrderedCollectionLib.h b/MdePkg/Include/Library/OrderedCollectionLib.h
index fc45d6dab7..24e296f1ee 100644
--- a/MdePkg/Include/Library/OrderedCollectionLib.h
+++ b/MdePkg/Include/Library/OrderedCollectionLib.h
@@ -6,13 +6,7 @@
 
   Copyright (C) 2014, Red Hat, Inc.
 
-  This program and the accompanying materials are licensed and made available
-  under the terms and conditions of the BSD License that accompanies this
-  distribution. The full text of the license may be found at
-  http://opensource.org/licenses/bsd-license.php.
-
-  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
-  WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
 
 #ifndef __ORDERED_COLLECTION_LIB__
diff --git a/MdePkg/Include/Library/PalLib.h b/MdePkg/Include/Library/PalLib.h
index ab0fa992e0..85be2b32ad 100644
--- a/MdePkg/Include/Library/PalLib.h
+++ b/MdePkg/Include/Library/PalLib.h
@@ -10,13 +10,7 @@
   is only available on Intel Itanium-based platforms.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/PcdLib.h b/MdePkg/Include/Library/PcdLib.h
index 73f63ae8c6..f09053e3cb 100644
--- a/MdePkg/Include/Library/PcdLib.h
+++ b/MdePkg/Include/Library/PcdLib.h
@@ -15,13 +15,7 @@
   PatchPcdGetXX(), and PatchPcdSetXX().
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/PciCf8Lib.h b/MdePkg/Include/Library/PciCf8Lib.h
index 3aafe5a9bb..41558dabdd 100644
--- a/MdePkg/Include/Library/PciCf8Lib.h
+++ b/MdePkg/Include/Library/PciCf8Lib.h
@@ -6,13 +6,7 @@
   access to PCI Segment #0.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/PciExpressLib.h b/MdePkg/Include/Library/PciExpressLib.h
index 38d2d58ecf..aec2b5f377 100644
--- a/MdePkg/Include/Library/PciExpressLib.h
+++ b/MdePkg/Include/Library/PciExpressLib.h
@@ -6,13 +6,7 @@
   is defined by PcdPciExpressBaseAddress.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/PciLib.h b/MdePkg/Include/Library/PciLib.h
index d77c8b2c61..7a7d42050f 100644
--- a/MdePkg/Include/Library/PciLib.h
+++ b/MdePkg/Include/Library/PciLib.h
@@ -11,13 +11,7 @@
   explicit access methods.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/PciSegmentInfoLib.h b/MdePkg/Include/Library/PciSegmentInfoLib.h
index 588269a9ae..320a223628 100644
--- a/MdePkg/Include/Library/PciSegmentInfoLib.h
+++ b/MdePkg/Include/Library/PciSegmentInfoLib.h
@@ -4,13 +4,7 @@
   This library is consumed by PciSegmentLib to support multiple segment PCI configuration access.
 
   Copyright (c) 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/MdePkg/Include/Library/PciSegmentLib.h b/MdePkg/Include/Library/PciSegmentLib.h
index 5eeda03988..bd31f05a23 100644
--- a/MdePkg/Include/Library/PciSegmentLib.h
+++ b/MdePkg/Include/Library/PciSegmentLib.h
@@ -24,13 +24,7 @@
   accesses when PCI Segments other than Segment #0 must be accessed.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/PeCoffExtraActionLib.h b/MdePkg/Include/Library/PeCoffExtraActionLib.h
index 21a296d653..efe5133922 100644
--- a/MdePkg/Include/Library/PeCoffExtraActionLib.h
+++ b/MdePkg/Include/Library/PeCoffExtraActionLib.h
@@ -4,13 +4,7 @@
   and unloaded to support source level debugging.
 
   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/MdePkg/Include/Library/PeCoffGetEntryPointLib.h b/MdePkg/Include/Library/PeCoffGetEntryPointLib.h
index 280fb18685..7bc0df89ad 100644
--- a/MdePkg/Include/Library/PeCoffGetEntryPointLib.h
+++ b/MdePkg/Include/Library/PeCoffGetEntryPointLib.h
@@ -2,13 +2,7 @@
   Provides a service to retrieve the PE/COFF entry point from a PE/COFF image.
 
 Copyright (c) 2006 - 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 that accompanies this distribution.
-The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php.
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD 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/MdePkg/Include/Library/PeCoffLib.h b/MdePkg/Include/Library/PeCoffLib.h
index d1db92e177..ba65628a22 100644
--- a/MdePkg/Include/Library/PeCoffLib.h
+++ b/MdePkg/Include/Library/PeCoffLib.h
@@ -6,13 +6,7 @@
   and can be ported easily to any environment.
 
 Copyright (c) 2006 - 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 that accompanies this distribution.
-The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php.
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD 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/MdePkg/Include/Library/PeiCoreEntryPoint.h b/MdePkg/Include/Library/PeiCoreEntryPoint.h
index c3d22f12b9..4077e06104 100644
--- a/MdePkg/Include/Library/PeiCoreEntryPoint.h
+++ b/MdePkg/Include/Library/PeiCoreEntryPoint.h
@@ -2,13 +2,7 @@
   Module entry point library for PEI core.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/PeiServicesLib.h b/MdePkg/Include/Library/PeiServicesLib.h
index 8db35e6431..d32347493b 100644
--- a/MdePkg/Include/Library/PeiServicesLib.h
+++ b/MdePkg/Include/Library/PeiServicesLib.h
@@ -2,13 +2,7 @@
   Provides library functions for all PEI Services.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/PeiServicesTablePointerLib.h b/MdePkg/Include/Library/PeiServicesTablePointerLib.h
index ff05fcafae..1945460c39 100644
--- a/MdePkg/Include/Library/PeiServicesTablePointerLib.h
+++ b/MdePkg/Include/Library/PeiServicesTablePointerLib.h
@@ -2,13 +2,7 @@
   Provides a service to retrieve a pointer to the PEI Services Table.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/PeimEntryPoint.h b/MdePkg/Include/Library/PeimEntryPoint.h
index 7eb844dd93..8873c31658 100644
--- a/MdePkg/Include/Library/PeimEntryPoint.h
+++ b/MdePkg/Include/Library/PeimEntryPoint.h
@@ -2,13 +2,7 @@
   Module entry point library for PEIM.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/PerformanceLib.h b/MdePkg/Include/Library/PerformanceLib.h
index 100fd8d0ca..813c4f5d1d 100644
--- a/MdePkg/Include/Library/PerformanceLib.h
+++ b/MdePkg/Include/Library/PerformanceLib.h
@@ -2,13 +2,7 @@
   Provides services to log the execution times and retrieve them later.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/PostCodeLib.h b/MdePkg/Include/Library/PostCodeLib.h
index 74b5ad7f8b..2c2922cc31 100644
--- a/MdePkg/Include/Library/PostCodeLib.h
+++ b/MdePkg/Include/Library/PostCodeLib.h
@@ -2,13 +2,7 @@
   Provides services to send progress/error codes to a POST card.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/PrintLib.h b/MdePkg/Include/Library/PrintLib.h
index 13dc565248..dfbcd1b340 100644
--- a/MdePkg/Include/Library/PrintLib.h
+++ b/MdePkg/Include/Library/PrintLib.h
@@ -3,13 +3,7 @@
   Unicode and ASCII strings are supported.
 
 Copyright (c) 2006 - 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 that accompanies this distribution.
-The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php.
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD 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 Print Library functions provide a simple means to produce formatted output
   strings.  Many of the output functions use a format string to describe how to
diff --git a/MdePkg/Include/Library/ReportStatusCodeLib.h b/MdePkg/Include/Library/ReportStatusCodeLib.h
index e60aff01df..d8281e31c1 100644
--- a/MdePkg/Include/Library/ReportStatusCodeLib.h
+++ b/MdePkg/Include/Library/ReportStatusCodeLib.h
@@ -2,13 +2,7 @@
   Provides services to log status code records.
 
 Copyright (c) 2006 - 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 that accompanies this distribution.
-The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php.
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD 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/MdePkg/Include/Library/ResourcePublicationLib.h b/MdePkg/Include/Library/ResourcePublicationLib.h
index 08e779d68c..aa51b6ae1e 100644
--- a/MdePkg/Include/Library/ResourcePublicationLib.h
+++ b/MdePkg/Include/Library/ResourcePublicationLib.h
@@ -2,13 +2,7 @@
   Provides a service to publish discovered system resources.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/RngLib.h b/MdePkg/Include/Library/RngLib.h
index ece4394168..05e513022e 100644
--- a/MdePkg/Include/Library/RngLib.h
+++ b/MdePkg/Include/Library/RngLib.h
@@ -2,13 +2,7 @@
   Provides random number generator services.
 
 Copyright (c) 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/MdePkg/Include/Library/S3BootScriptLib.h b/MdePkg/Include/Library/S3BootScriptLib.h
index 89a4a56669..229210d46b 100644
--- a/MdePkg/Include/Library/S3BootScriptLib.h
+++ b/MdePkg/Include/Library/S3BootScriptLib.h
@@ -7,14 +7,7 @@
 
   Copyright (c) 2006 - 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/MdePkg/Include/Library/S3IoLib.h b/MdePkg/Include/Library/S3IoLib.h
index e6e0fb6f50..99ee3f2986 100644
--- a/MdePkg/Include/Library/S3IoLib.h
+++ b/MdePkg/Include/Library/S3IoLib.h
@@ -5,14 +5,7 @@
 
   Copyright (c) 2006 - 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/MdePkg/Include/Library/S3PciLib.h b/MdePkg/Include/Library/S3PciLib.h
index fb20d82219..595cee2c2a 100644
--- a/MdePkg/Include/Library/S3PciLib.h
+++ b/MdePkg/Include/Library/S3PciLib.h
@@ -5,14 +5,7 @@
 
   Copyright (c) 2006 - 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/MdePkg/Include/Library/S3PciSegmentLib.h b/MdePkg/Include/Library/S3PciSegmentLib.h
index dbd77cf03a..7bd8bc1d10 100644
--- a/MdePkg/Include/Library/S3PciSegmentLib.h
+++ b/MdePkg/Include/Library/S3PciSegmentLib.h
@@ -4,13 +4,7 @@
   S3 resume. This library class maps directly on top of the PciSegmentLib class.
 
   Copyright (c) 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/MdePkg/Include/Library/S3SmbusLib.h b/MdePkg/Include/Library/S3SmbusLib.h
index fdb67241f9..f7a9a58005 100644
--- a/MdePkg/Include/Library/S3SmbusLib.h
+++ b/MdePkg/Include/Library/S3SmbusLib.h
@@ -5,14 +5,7 @@
 
   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/MdePkg/Include/Library/S3StallLib.h b/MdePkg/Include/Library/S3StallLib.h
index 61b0d94035..5f8c5ce89d 100644
--- a/MdePkg/Include/Library/S3StallLib.h
+++ b/MdePkg/Include/Library/S3StallLib.h
@@ -5,14 +5,7 @@
 
   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/MdePkg/Include/Library/SafeIntLib.h b/MdePkg/Include/Library/SafeIntLib.h
index 8c5003f678..6b49e1d0e4 100644
--- a/MdePkg/Include/Library/SafeIntLib.h
+++ b/MdePkg/Include/Library/SafeIntLib.h
@@ -5,24 +5,7 @@
   Copyright (c) 2017, Microsoft Corporation
 
   All rights reserved.
-  Redistribution and use in source and binary forms, with or without
-  modification, are permitted provided that the following conditions are met:
-  1. Redistributions of source code must retain the above copyright notice,
-  this list of conditions and the following disclaimer.
-  2. Redistributions in binary form must reproduce the above copyright notice,
-  this list of conditions and the following disclaimer in the documentation
-  and/or other materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
-  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
-  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
-  OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
 #ifndef __INT_SAFE_LIB_H__
diff --git a/MdePkg/Include/Library/SalLib.h b/MdePkg/Include/Library/SalLib.h
index 7f95ae8d4f..73d0952755 100644
--- a/MdePkg/Include/Library/SalLib.h
+++ b/MdePkg/Include/Library/SalLib.h
@@ -2,13 +2,7 @@
   Provides library services to make SAL Calls.
 
 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/MdePkg/Include/Library/SerialPortLib.h b/MdePkg/Include/Library/SerialPortLib.h
index 0c4ef58dd8..019ab388d6 100644
--- a/MdePkg/Include/Library/SerialPortLib.h
+++ b/MdePkg/Include/Library/SerialPortLib.h
@@ -3,13 +3,7 @@
 
 Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
 Copyright (c) 2012 - 2014, ARM Ltd. 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/MdePkg/Include/Library/SmbusLib.h b/MdePkg/Include/Library/SmbusLib.h
index 13a0908f37..35b1ff9751 100644
--- a/MdePkg/Include/Library/SmbusLib.h
+++ b/MdePkg/Include/Library/SmbusLib.h
@@ -3,13 +3,7 @@
   must be ported to a specific SMBUS controller.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/SmiHandlerProfileLib.h b/MdePkg/Include/Library/SmiHandlerProfileLib.h
index 77d19f9a70..a9ce3876c8 100644
--- a/MdePkg/Include/Library/SmiHandlerProfileLib.h
+++ b/MdePkg/Include/Library/SmiHandlerProfileLib.h
@@ -13,13 +13,7 @@
   be responsible to call the services to register information to SMM Core.
 
 Copyright (c) 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/MdePkg/Include/Library/SmmIoLib.h b/MdePkg/Include/Library/SmmIoLib.h
index 7820f1ec10..c6461437b7 100644
--- a/MdePkg/Include/Library/SmmIoLib.h
+++ b/MdePkg/Include/Library/SmmIoLib.h
@@ -4,13 +4,7 @@
   The SMM IO Library provides function for checking if IO resource is accessible inside of SMM.
 
   Copyright (c) 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/MdePkg/Include/Library/SmmLib.h b/MdePkg/Include/Library/SmmLib.h
index 3b85355b7b..8d83df7fd7 100644
--- a/MdePkg/Include/Library/SmmLib.h
+++ b/MdePkg/Include/Library/SmmLib.h
@@ -4,13 +4,7 @@
   SMM Library Services that abstracts both S/W SMI generation and detection.
 
   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/MdePkg/Include/Library/SmmMemLib.h b/MdePkg/Include/Library/SmmMemLib.h
index e7848b2bce..72edc9adcd 100644
--- a/MdePkg/Include/Library/SmmMemLib.h
+++ b/MdePkg/Include/Library/SmmMemLib.h
@@ -6,13 +6,7 @@
   from non-SMRAM to non-SMRAM, or set data in non-SMRAM.
 
   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
 
 **/
 
diff --git a/MdePkg/Include/Library/SmmPeriodicSmiLib.h b/MdePkg/Include/Library/SmmPeriodicSmiLib.h
index d0c1f4cda7..6215aa2232 100644
--- a/MdePkg/Include/Library/SmmPeriodicSmiLib.h
+++ b/MdePkg/Include/Library/SmmPeriodicSmiLib.h
@@ -2,13 +2,7 @@
   Provides services to enable and disable periodic SMI handlers.
 
 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/MdePkg/Include/Library/SmmServicesTableLib.h b/MdePkg/Include/Library/SmmServicesTableLib.h
index 01e999d234..d074d3e299 100644
--- a/MdePkg/Include/Library/SmmServicesTableLib.h
+++ b/MdePkg/Include/Library/SmmServicesTableLib.h
@@ -3,13 +3,7 @@
   Only available to SMM module types.
 
 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/MdePkg/Include/Library/StandaloneMmDriverEntryPoint.h b/MdePkg/Include/Library/StandaloneMmDriverEntryPoint.h
index fbc75add73..25b2d8d68d 100644
--- a/MdePkg/Include/Library/StandaloneMmDriverEntryPoint.h
+++ b/MdePkg/Include/Library/StandaloneMmDriverEntryPoint.h
@@ -5,13 +5,7 @@ Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
 Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.<BR>
 Copyright (c) 2018, Linaro, Limited. 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/MdePkg/Include/Library/SynchronizationLib.h b/MdePkg/Include/Library/SynchronizationLib.h
index ce3bce04f5..90ec60b4ab 100644
--- a/MdePkg/Include/Library/SynchronizationLib.h
+++ b/MdePkg/Include/Library/SynchronizationLib.h
@@ -2,13 +2,7 @@
   Provides synchronization functions.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/TimerLib.h b/MdePkg/Include/Library/TimerLib.h
index ecc3ad3ff7..efa793f0cd 100644
--- a/MdePkg/Include/Library/TimerLib.h
+++ b/MdePkg/Include/Library/TimerLib.h
@@ -2,13 +2,7 @@
   Provides calibrated delay and performance counter services.
 
 Copyright (c) 2006 - 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
 
 **/
 
diff --git a/MdePkg/Include/Library/UefiApplicationEntryPoint.h b/MdePkg/Include/Library/UefiApplicationEntryPoint.h
index 89725a74bb..e6bebe8bec 100644
--- a/MdePkg/Include/Library/UefiApplicationEntryPoint.h
+++ b/MdePkg/Include/Library/UefiApplicationEntryPoint.h
@@ -2,13 +2,7 @@
   Module entry point library for UEFI Applications.
 
 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/MdePkg/Include/Library/UefiBootServicesTableLib.h b/MdePkg/Include/Library/UefiBootServicesTableLib.h
index 3e979be23b..4fe5a9eb53 100644
--- a/MdePkg/Include/Library/UefiBootServicesTableLib.h
+++ b/MdePkg/Include/Library/UefiBootServicesTableLib.h
@@ -3,13 +3,7 @@
   Only available to DXE and UEFI module types.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/UefiDecompressLib.h b/MdePkg/Include/Library/UefiDecompressLib.h
index f6675ffcba..b6f36aebc3 100644
--- a/MdePkg/Include/Library/UefiDecompressLib.h
+++ b/MdePkg/Include/Library/UefiDecompressLib.h
@@ -7,13 +7,7 @@
   all required memory buffers.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/UefiDriverEntryPoint.h b/MdePkg/Include/Library/UefiDriverEntryPoint.h
index 4608c46b5f..a83b260567 100644
--- a/MdePkg/Include/Library/UefiDriverEntryPoint.h
+++ b/MdePkg/Include/Library/UefiDriverEntryPoint.h
@@ -3,13 +3,7 @@
   and DXE SMM Drivers.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/UefiLib.h b/MdePkg/Include/Library/UefiLib.h
index 7d97408eab..1650f30ddb 100644
--- a/MdePkg/Include/Library/UefiLib.h
+++ b/MdePkg/Include/Library/UefiLib.h
@@ -14,13 +14,7 @@
 
 Copyright (c) 2019, NVIDIA Corporation. All rights reserved.
 Copyright (c) 2006 - 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 that accompanies this distribution.
-The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php.
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD 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/MdePkg/Include/Library/UefiRuntimeLib.h b/MdePkg/Include/Library/UefiRuntimeLib.h
index 888410921b..8f13ca275d 100644
--- a/MdePkg/Include/Library/UefiRuntimeLib.h
+++ b/MdePkg/Include/Library/UefiRuntimeLib.h
@@ -3,13 +3,7 @@
   Only available to DXE and UEFI module types.
 
 Copyright (c) 2006 - 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 that accompanies this distribution.
-The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php.
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
 
 #ifndef __UEFI_RUNTIME_LIB__
diff --git a/MdePkg/Include/Library/UefiRuntimeServicesTableLib.h b/MdePkg/Include/Library/UefiRuntimeServicesTableLib.h
index f667d220e9..39212ee23c 100644
--- a/MdePkg/Include/Library/UefiRuntimeServicesTableLib.h
+++ b/MdePkg/Include/Library/UefiRuntimeServicesTableLib.h
@@ -11,13 +11,7 @@
   Only available to DXE and UEFI module types.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/UefiScsiLib.h b/MdePkg/Include/Library/UefiScsiLib.h
index dbb248972b..10dd81902b 100644
--- a/MdePkg/Include/Library/UefiScsiLib.h
+++ b/MdePkg/Include/Library/UefiScsiLib.h
@@ -6,13 +6,7 @@
   This library class depends on SCSI I/O Protocol defined in UEFI Specification and SCSI-2 industry standard.
 
 Copyright (c) 2006 - 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/MdePkg/Include/Library/UefiUsbLib.h b/MdePkg/Include/Library/UefiUsbLib.h
index 6f625a0448..1b4f8d9f9b 100644
--- a/MdePkg/Include/Library/UefiUsbLib.h
+++ b/MdePkg/Include/Library/UefiUsbLib.h
@@ -3,13 +3,7 @@
   and the standard requests defined in USB 1.1 spec.
 
 Copyright (c) 2006 - 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
 
 **/