diff --git a/include/gc_version.h b/include/gc_version.h
index 961167551..e2172a2e0 100644
--- a/include/gc_version.h
+++ b/include/gc_version.h
@@ -1,3 +1,21 @@
+/*
+ * Copyright (C) 2024 Intel Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 #ifndef GC_VERSION_H
 #define GC_VERSION_H
 
diff --git a/lib/gc/Dialect/Linalgx/LinalgxDialect.cpp b/lib/gc/Dialect/Linalgx/LinalgxDialect.cpp
index e2267f609..fb8f3886d 100644
--- a/lib/gc/Dialect/Linalgx/LinalgxDialect.cpp
+++ b/lib/gc/Dialect/Linalgx/LinalgxDialect.cpp
@@ -1,4 +1,4 @@
-//===- LinalgxDialect.h - linalgx dialect -----------------------*- C++ -*-===//
+//===-- LinalgxDialect.cpp - linalgx dialect --------------------*- C++ -*-===//
 //
 // This file is licensed under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/lib/gc/Dialect/Linalgx/LinalgxOps.cpp b/lib/gc/Dialect/Linalgx/LinalgxOps.cpp
index 9c57a2973..54d0b22a2 100644
--- a/lib/gc/Dialect/Linalgx/LinalgxOps.cpp
+++ b/lib/gc/Dialect/Linalgx/LinalgxOps.cpp
@@ -1,4 +1,4 @@
-//===- LinalgxOps.h - linalgx dialect ops -----------------------*- C++ -*-===//
+//===-- LinalgxOps.cpp - linalgx dialect ops --------------------*- C++ -*-===//
 //
 // This file is licensed under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/lib/gc/Dialect/Microkernel/MicrokernelDialect.cpp b/lib/gc/Dialect/Microkernel/MicrokernelDialect.cpp
index 7d3da6b45..d4857e87a 100644
--- a/lib/gc/Dialect/Microkernel/MicrokernelDialect.cpp
+++ b/lib/gc/Dialect/Microkernel/MicrokernelDialect.cpp
@@ -1,4 +1,4 @@
-//===- MicrokernelDialect.h - microkernel dialect ---------------*- C++ -*-===//
+//===-- MicrokernelDialect.cpp - microkernel dialect ------------*- C++ -*-===//
 //
 // This file is licensed under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/lib/gc/Dialect/Microkernel/MicrokernelOps.cpp b/lib/gc/Dialect/Microkernel/MicrokernelOps.cpp
index 9b9200e93..45bc5719f 100644
--- a/lib/gc/Dialect/Microkernel/MicrokernelOps.cpp
+++ b/lib/gc/Dialect/Microkernel/MicrokernelOps.cpp
@@ -1,4 +1,4 @@
-//===- MicrokernelOps.h - microkernel dialect ops ---------------*- C++ -*-===//
+//===-- MicrokernelOps.cpp - microkernel dialect ops ------------*- C++ -*-===//
 //
 // This file is licensed under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/lib/gc/Dialect/OneDNNGraph/OneDNNGraphDialect.cpp b/lib/gc/Dialect/OneDNNGraph/OneDNNGraphDialect.cpp
index 7529e04fc..b9f2e17a4 100644
--- a/lib/gc/Dialect/OneDNNGraph/OneDNNGraphDialect.cpp
+++ b/lib/gc/Dialect/OneDNNGraph/OneDNNGraphDialect.cpp
@@ -1,4 +1,4 @@
-//===- OneDNNGraphDialect.h - OneDNN input dialect --------------*- C++ -*-===//
+//===-- OneDNNGraphDialect.cpp - OneDNN input dialect -----------*- C++ -*-===//
 //
 // This file is licensed under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/lib/gc/Dialect/OneDNNGraph/OneDNNGraphOps.cpp b/lib/gc/Dialect/OneDNNGraph/OneDNNGraphOps.cpp
index 0519ca8f3..963273be9 100644
--- a/lib/gc/Dialect/OneDNNGraph/OneDNNGraphOps.cpp
+++ b/lib/gc/Dialect/OneDNNGraph/OneDNNGraphOps.cpp
@@ -1,4 +1,4 @@
-//===- OneDNNGraphOps.h - OneDNN input dialect ops --------------*- C++ -*-===//
+//===-- OneDNNGraphOps.cpp - OneDNN input dialect ops -----------*- C++ -*-===//
 //
 // This file is licensed under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/lib/gc/Transforms/OneDNNGraphToLinalg.cpp b/lib/gc/Transforms/OneDNNGraphToLinalg.cpp
index c115b42c2..f36705afe 100644
--- a/lib/gc/Transforms/OneDNNGraphToLinalg.cpp
+++ b/lib/gc/Transforms/OneDNNGraphToLinalg.cpp
@@ -1,5 +1,4 @@
-//===- OneDNNGraphToLinalg.cpp - OneDNN Graph To Linalg Lowering --*- C++ -*-=//
-//-*-===//
+//===- OneDNNGraphToLinalg.cpp - OneDNNGraph To Linalg Lowering -*- C++ -*-===//
 //
 // This file is licensed under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/lib/gc/Transforms/TileNamed.cpp b/lib/gc/Transforms/TileNamed.cpp
index 7d0e8c531..43348685d 100644
--- a/lib/gc/Transforms/TileNamed.cpp
+++ b/lib/gc/Transforms/TileNamed.cpp
@@ -1,4 +1,4 @@
-//===- TileNamed.cpp - Tile Named Linalg Ops --------------------*- C++ -*-===//
+//===-- TileNamed.cpp - Tile Named Linalg Ops -------------------*- C++ -*-===//
 //
 // This file is licensed under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/test/dnnl/dnnl_test_utils.hpp b/test/dnnl/dnnl_test_utils.hpp
index 95824024c..04d9f9867 100644
--- a/test/dnnl/dnnl_test_utils.hpp
+++ b/test/dnnl/dnnl_test_utils.hpp
@@ -1,3 +1,21 @@
+/*
+ * Copyright (C) 2024 Intel Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 #include <filesystem>
 #include <fstream>
 #include <sstream>
diff --git a/test/dnnl/test_dnnl_c_interface.cpp b/test/dnnl/test_dnnl_c_interface.cpp
index 28106f94d..3df04bb03 100644
--- a/test/dnnl/test_dnnl_c_interface.cpp
+++ b/test/dnnl/test_dnnl_c_interface.cpp
@@ -1,3 +1,21 @@
+/*
+ * Copyright (C) 2024 Intel Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 #include "dnnl_graph_compiler.h"
 #include "dnnl_test_utils.hpp"
 #include "gc_version.h"
diff --git a/unittests/Example/Example.cpp b/unittests/Example/Example.cpp
index 72ed5bade..d788ba4ec 100644
--- a/unittests/Example/Example.cpp
+++ b/unittests/Example/Example.cpp
@@ -1,6 +1,6 @@
-//===- Example.cpp - Tests for Example ------------------------------------===//
+//===-- Example.cpp - Tests for Example -------------------------*- C++ -*-===//
 //
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// This file is licensed under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //