diff --git a/pkg/storage/fs/ocis/grants.go b/pkg/storage/fs/ocis/grants.go
index b151ef99db4..4186ed81c62 100644
--- a/pkg/storage/fs/ocis/grants.go
+++ b/pkg/storage/fs/ocis/grants.go
@@ -1,3 +1,21 @@
+// Copyright 2018-2020 CERN
+//
+// 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.
+//
+// In applying this license, CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
+
 package ocis
 
 import (
diff --git a/pkg/storage/fs/ocis/metadata.go b/pkg/storage/fs/ocis/metadata.go
index 463883b5bfd..3ff45babf8b 100644
--- a/pkg/storage/fs/ocis/metadata.go
+++ b/pkg/storage/fs/ocis/metadata.go
@@ -1,3 +1,21 @@
+// Copyright 2018-2020 CERN
+//
+// 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.
+//
+// In applying this license, CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
+
 package ocis
 
 import (
diff --git a/pkg/storage/fs/ocis/node.go b/pkg/storage/fs/ocis/node.go
index 47aa0f43e66..a68c164a735 100644
--- a/pkg/storage/fs/ocis/node.go
+++ b/pkg/storage/fs/ocis/node.go
@@ -1,3 +1,21 @@
+// Copyright 2018-2020 CERN
+//
+// 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.
+//
+// In applying this license, CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
+
 package ocis
 
 import (
diff --git a/pkg/storage/fs/ocis/path.go b/pkg/storage/fs/ocis/path.go
index 4ffe731182b..46ece88944a 100644
--- a/pkg/storage/fs/ocis/path.go
+++ b/pkg/storage/fs/ocis/path.go
@@ -1,3 +1,21 @@
+// Copyright 2018-2020 CERN
+//
+// 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.
+//
+// In applying this license, CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
+
 package ocis
 
 import (
diff --git a/pkg/storage/fs/ocis/persistence.go b/pkg/storage/fs/ocis/persistence.go
index e1632304797..b1cdc8104b3 100644
--- a/pkg/storage/fs/ocis/persistence.go
+++ b/pkg/storage/fs/ocis/persistence.go
@@ -1,3 +1,21 @@
+// Copyright 2018-2020 CERN
+//
+// 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.
+//
+// In applying this license, CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
+
 package ocis
 
 import (
diff --git a/pkg/storage/fs/ocis/recycle.go b/pkg/storage/fs/ocis/recycle.go
index e1d68bdf553..ae4001db10a 100644
--- a/pkg/storage/fs/ocis/recycle.go
+++ b/pkg/storage/fs/ocis/recycle.go
@@ -1,3 +1,21 @@
+// Copyright 2018-2020 CERN
+//
+// 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.
+//
+// In applying this license, CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
+
 package ocis
 
 import (
diff --git a/pkg/storage/fs/ocis/revisions.go b/pkg/storage/fs/ocis/revisions.go
index 59afb47a72e..5eebe4583cb 100644
--- a/pkg/storage/fs/ocis/revisions.go
+++ b/pkg/storage/fs/ocis/revisions.go
@@ -1,3 +1,21 @@
+// Copyright 2018-2020 CERN
+//
+// 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.
+//
+// In applying this license, CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
+
 package ocis
 
 import (
diff --git a/pkg/storage/fs/ocis/tree.go b/pkg/storage/fs/ocis/tree.go
index 9c12a4aedd1..acabe0c6382 100644
--- a/pkg/storage/fs/ocis/tree.go
+++ b/pkg/storage/fs/ocis/tree.go
@@ -1,3 +1,21 @@
+// Copyright 2018-2020 CERN
+//
+// 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.
+//
+// In applying this license, CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
+
 package ocis
 
 import (
diff --git a/pkg/storage/utils/ace/ace.go b/pkg/storage/utils/ace/ace.go
index 734fab1a261..14154bf4680 100644
--- a/pkg/storage/utils/ace/ace.go
+++ b/pkg/storage/utils/ace/ace.go
@@ -1,3 +1,21 @@
+// Copyright 2018-2020 CERN
+//
+// 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.
+//
+// In applying this license, CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
+
 package ace
 
 import (