diff --git a/ui-ngx/src/app/shared/components/protobuf-content.component.html b/ui-ngx/src/app/shared/components/protobuf-content.component.html
index b1ec6c8dd4..23a16ece43 100644
--- a/ui-ngx/src/app/shared/components/protobuf-content.component.html
+++ b/ui-ngx/src/app/shared/components/protobuf-content.component.html
@@ -1,3 +1,20 @@
+<!--
+
+    Copyright © 2016-2021 The Thingsboard Authors
+
+    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.
+
+-->
 <div style="background: #fff;" [ngClass]="{'fill-height': fillHeight}"
      tb-fullscreen
      [fullscreen]="fullscreen" (fullscreenChanged)="onFullscreen()" fxLayout="column">
diff --git a/ui-ngx/src/app/shared/components/protobuf-content.component.scss b/ui-ngx/src/app/shared/components/protobuf-content.component.scss
index b2ebc9bbe6..369d172491 100644
--- a/ui-ngx/src/app/shared/components/protobuf-content.component.scss
+++ b/ui-ngx/src/app/shared/components/protobuf-content.component.scss
@@ -1,3 +1,18 @@
+/**
+ * Copyright © 2016-2021 The Thingsboard Authors
+ *
+ * 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.
+ */
 :host {
   position: relative;
 
diff --git a/ui-ngx/src/app/shared/components/protobuf-content.component.ts b/ui-ngx/src/app/shared/components/protobuf-content.component.ts
index d3599fc6c3..0c1e7c7fac 100644
--- a/ui-ngx/src/app/shared/components/protobuf-content.component.ts
+++ b/ui-ngx/src/app/shared/components/protobuf-content.component.ts
@@ -1,3 +1,19 @@
+///
+/// Copyright © 2016-2021 The Thingsboard Authors
+///
+/// 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 {
   Component,
   ElementRef,