diff --git a/NOTICE b/NOTICE
new file mode 100644
index 0000000..f9ad7e0
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1,36 @@
+Copyright 2015-2025 go-swagger maintainers
+
+// SPDX-FileCopyrightText: Copyright 2015-2025 go-swagger maintainers
+// SPDX-License-Identifier: Apache-2.0
+
+This software library, github.com/go-openapi/jsonpointer, includes software developed
+by the go-swagger and go-openapi maintainers ("go-swagger maintainers").
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this software except in compliance with the License.
+You may obtain a copy of the License at
+
+This software is copied from, derived from, and inspired by other original software products.
+It ships with copies of other software which license terms are recalled below.
+
+The original sofware was authored on 25-02-2013 by sigu-399 (https://github.com/sigu-399, sigu.399@gmail.com).
+
+github.com/sigh-399/jsonpointer
+===========================
+
+// SPDX-FileCopyrightText: Copyright 2013 sigu-399 ( https://github.com/sigu-399 )
+// SPDX-License-Identifier: Apache-2.0
+
+Copyright 2013 sigu-399 ( https://github.com/sigu-399 )
+
+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.
diff --git a/README.md b/README.md
index c7fc204..2274a4b 100644
--- a/README.md
+++ b/README.md
@@ -17,3 +17,10 @@ Feature complete. Stable API
 
 * http://tools.ietf.org/html/draft-ietf-appsawg-json-pointer-07
 * http://tools.ietf.org/html/draft-pbryan-zyp-json-ref-03
+
+## Licensing
+
+This library ships under the [SPDX-License-Identifier: Apache-2.0](./LICENSE).
+
+See the license [NOTICE](./NOTICE), which recalls the licensing terms of all the pieces of software
+on top of which it has been built.
diff --git a/internal/normalize_url.go b/internal/normalize_url.go
index f0610cf..ca79391 100644
--- a/internal/normalize_url.go
+++ b/internal/normalize_url.go
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright (c) 2015-2025 go-swagger maintainers
+// SPDX-License-Identifier: Apache-2.0
+
 package internal
 
 import (
diff --git a/internal/normalize_url_test.go b/internal/normalize_url_test.go
index a0775f1..b3f6c41 100644
--- a/internal/normalize_url_test.go
+++ b/internal/normalize_url_test.go
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright (c) 2015-2025 go-swagger maintainers
+// SPDX-License-Identifier: Apache-2.0
+
 package internal
 
 import (
diff --git a/reference.go b/reference.go
index 6a1fed5..33d4798 100644
--- a/reference.go
+++ b/reference.go
@@ -1,27 +1,5 @@
-// Copyright 2013 sigu-399 ( https://github.com/sigu-399 )
-//
-// 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.
-
-// author       sigu-399
-// author-github  https://github.com/sigu-399
-// author-mail    sigu.399@gmail.com
-//
-// repository-name  jsonreference
-// repository-desc  An implementation of JSON Reference - Go language
-//
-// description    Main and unique file.
-//
-// created        26-02-2013
+// SPDX-FileCopyrightText: Copyright (c) 2015-2025 go-swagger maintainers
+// SPDX-License-Identifier: Apache-2.0
 
 package jsonreference
 
diff --git a/reference_test.go b/reference_test.go
index 9144f97..0ce6546 100644
--- a/reference_test.go
+++ b/reference_test.go
@@ -1,27 +1,5 @@
-// Copyright 2013 sigu-399 ( https://github.com/sigu-399 )
-//
-// 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.
-
-// author       sigu-399
-// author-github  https://github.com/sigu-399
-// author-mail    sigu.399@gmail.com
-//
-// repository-name  jsonreference
-// repository-desc  An implementation of JSON Reference - Go language
-//
-// description    Automated tests on package.
-//
-// created        03-03-2013
+// SPDX-FileCopyrightText: Copyright (c) 2015-2025 go-swagger maintainers
+// SPDX-License-Identifier: Apache-2.0
 
 package jsonreference