diff --git a/src/main/scala/eu/nomad_lab/parsers/LammpsParser.scala b/src/main/scala/eu/nomad_lab/parsers/LammpsParser.scala
index a0f303c6c87e64dfb02cc50ba26debca142a2582..ce5a1d64ab7f752d1d45ac4e00f8df27c6986e70 100644
--- a/src/main/scala/eu/nomad_lab/parsers/LammpsParser.scala
+++ b/src/main/scala/eu/nomad_lab/parsers/LammpsParser.scala
@@ -1,3 +1,18 @@
+/*
+   Copyright 2016-2017 The NOMAD Developers Group
+
+   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.
+ */
 package eu.nomad_lab.parsers
 
 import eu.{ nomad_lab => lab }
diff --git a/src/test/scala/eu/nomad_lab/parsers/LammpsParserSpec.scala b/src/test/scala/eu/nomad_lab/parsers/LammpsParserSpec.scala
index af90ac8c468206c0ebc9f74c2a8bde298ac0b447..2bd7e3c8aa1c372b59c74d32423f874938109792 100644
--- a/src/test/scala/eu/nomad_lab/parsers/LammpsParserSpec.scala
+++ b/src/test/scala/eu/nomad_lab/parsers/LammpsParserSpec.scala
@@ -1,3 +1,18 @@
+/*
+   Copyright 2016-2017 The NOMAD Developers Group
+
+   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.
+ */
 package eu.nomad_lab.parsers
 
 import org.specs2.mutable.Specification