diff --git a/parser/parser-abinit/AbinitXC.py b/parser/parser-abinit/AbinitXC.py
index fc27558449406fffad2ab991ec6065ba3e6a5fa9..5f21780de172122d08bf2bea98559213f3b5ff47 100644
--- a/parser/parser-abinit/AbinitXC.py
+++ b/parser/parser-abinit/AbinitXC.py
@@ -1,3 +1,16 @@
+# Copyright 2016-2018 Micael Oliveira
+#
+# 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.
 
 
 ABINIT_NATIVE_IXC = {'0': [{}],
diff --git a/parser/parser-abinit/parser-abinit.py b/parser/parser-abinit/parser-abinit.py
index 4fcd7b15a47e581dde362fce64a9e17ded8f28ee..748939729c8e2c73cc93f6b43ff853c7a936d130 100644
--- a/parser/parser-abinit/parser-abinit.py
+++ b/parser/parser-abinit/parser-abinit.py
@@ -1,3 +1,17 @@
+# Copyright 2016-2018 Micael Oliveira, Fawzi Mohamed
+#
+# 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.
+
 import setup_paths
 from builtins import object
 from nomadcore.caching_backend import CachingLevel