diff --git a/devicenotification/devicenotification.go b/devicenotification/devicenotification.go
index 8797933..19b6230 100644
--- a/devicenotification/devicenotification.go
+++ b/devicenotification/devicenotification.go
@@ -1,3 +1,9 @@
+//
+// Copyright 2018-2023 ARDUINO SA. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
 package devicenotification
 
 import (
diff --git a/doc.go b/doc.go
index bf98303..7ac9b43 100644
--- a/doc.go
+++ b/doc.go
@@ -1 +1,9 @@
+//
+// Copyright 2018-2023 ARDUINO SA. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
+// Package win32 is a collection of useful bindings to Win32 API that are not available in the standard
+// golang windows/syscall package.
 package win32
diff --git a/examples_test.go b/examples_test.go
index 1b05063..eb27392 100644
--- a/examples_test.go
+++ b/examples_test.go
@@ -1,3 +1,9 @@
+//
+// Copyright 2018-2023 ARDUINO SA. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
 package win32_test
 
 import (
diff --git a/shell32_fallback.go b/shell32_fallback.go
index fd47a10..89ba635 100644
--- a/shell32_fallback.go
+++ b/shell32_fallback.go
@@ -1,5 +1,11 @@
 //go:build !windows
 
+//
+// Copyright 2018-2023 ARDUINO SA. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
 package win32
 
 import (
diff --git a/shell32_windows.go b/shell32_windows.go
index 1c883c1..bd40972 100644
--- a/shell32_windows.go
+++ b/shell32_windows.go
@@ -1,3 +1,9 @@
+//
+// Copyright 2018-2023 ARDUINO SA. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
 package win32
 
 import (
diff --git a/syscall_windows.go b/syscall_windows.go
index ec27f10..26af4cb 100644
--- a/syscall_windows.go
+++ b/syscall_windows.go
@@ -1,3 +1,9 @@
+//
+// Copyright 2018-2023 ARDUINO SA. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
 package win32
 
 import "syscall"