diff --git a/ui-admin/src/js/components/database/data-browser/GridView.jsx b/ui-admin/src/js/components/database/data-browser/GridView.jsx
index 3d25b973b949772b397af674cf97dd66f84102f1..d6a84156d8d0d72833d59cdd160279c11bcd851d 100644
--- a/ui-admin/src/js/components/database/data-browser/GridView.jsx
+++ b/ui-admin/src/js/components/database/data-browser/GridView.jsx
@@ -1,3 +1,20 @@
+/*
+ *  Copyright ETH 2023 Zürich, Scientific IT Services
+ *
+ *  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 React from 'react'
 import { withStyles } from '@material-ui/core/styles'
 import GridViewItem from '@src/js/components/database/data-browser/GridViewItem.jsx'
diff --git a/ui-admin/src/js/components/database/data-browser/GridViewItem.jsx b/ui-admin/src/js/components/database/data-browser/GridViewItem.jsx
index c9f88d8fcf5254b571992a97daa9a698cb8cf1c0..85345ee91bfe33e00ca4663af0a6f310c3a228f6 100644
--- a/ui-admin/src/js/components/database/data-browser/GridViewItem.jsx
+++ b/ui-admin/src/js/components/database/data-browser/GridViewItem.jsx
@@ -1,3 +1,20 @@
+/*
+ *  Copyright ETH 2023 Zürich, Scientific IT Services
+ *
+ *  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 React from 'react'
 import { withStyles } from '@material-ui/core/styles'
 import Grid from '@material-ui/core/Grid'
diff --git a/ui-admin/src/js/components/database/data-browser/ListView.jsx b/ui-admin/src/js/components/database/data-browser/ListView.jsx
index 1daba920de9b64596e93b8e1c6d389987a741a99..b8537c1137712b3920f2d1ac9d3b0f7bd5c3ba64 100644
--- a/ui-admin/src/js/components/database/data-browser/ListView.jsx
+++ b/ui-admin/src/js/components/database/data-browser/ListView.jsx
@@ -1,3 +1,20 @@
+/*
+ *  Copyright ETH 2023 Zürich, Scientific IT Services
+ *
+ *  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 React from 'react'
 import { withStyles } from '@material-ui/core/styles'
 import Table from '@material-ui/core/Table'
diff --git a/ui-admin/src/js/components/database/data-browser/Toolbar.jsx b/ui-admin/src/js/components/database/data-browser/Toolbar.jsx
index 1a42eef505f56be763da1d5e6bf0a745fdb660c9..dafb0c83732f8d3653c419e1ef9ebdb8afbbb659 100644
--- a/ui-admin/src/js/components/database/data-browser/Toolbar.jsx
+++ b/ui-admin/src/js/components/database/data-browser/Toolbar.jsx
@@ -1,3 +1,20 @@
+/*
+ *  Copyright ETH 2023 Zürich, Scientific IT Services
+ *
+ *  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 React from 'react'
 import { withStyles } from '@material-ui/core/styles'
 import messages from '@src/js/common/messages.js'
@@ -11,8 +28,7 @@ import SearchIcon from '@material-ui/icons/Search'
 import InfoIcon from '@material-ui/icons/InfoOutlined'
 import CreateNewFolderIcon from '@material-ui/icons/CreateNewFolderOutlined'
 
-const styles = theme => ({
-})
+const styles = () => ({})
 
 class Toolbar extends React.Component {
   render() {