diff --git a/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/ClangdLanguageServer.java b/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/ClangdLanguageServer.java
index 0ede0608..e7162154 100644
--- a/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/ClangdLanguageServer.java
+++ b/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/ClangdLanguageServer.java
@@ -9,6 +9,7 @@
  *
  * Contributors:
  * Dominic Scharfe (COSEDA Technologies GmbH) - initial implementation
+ * Dietrich Travkin (Solunar GmbH) - extensions for AST and symbol info
  *******************************************************************************/
 package org.eclipse.cdt.lsp.services;
 
diff --git a/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/ast/AstNode.java b/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/ast/AstNode.java
index 250d7777..e3b388e0 100644
--- a/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/ast/AstNode.java
+++ b/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/ast/AstNode.java
@@ -1,3 +1,14 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Advantest Europe GmbH and others.
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ * Dietrich Travkin (Solunar GmbH) - Initial implementation
+ *******************************************************************************/
 package org.eclipse.cdt.lsp.services.ast;
 
 import java.util.Arrays;
diff --git a/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/ast/AstParams.java b/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/ast/AstParams.java
index 464d7513..53dafe3c 100644
--- a/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/ast/AstParams.java
+++ b/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/ast/AstParams.java
@@ -1,3 +1,14 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Advantest Europe GmbH and others.
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ * Dietrich Travkin (Solunar GmbH) - Initial implementation
+ *******************************************************************************/
 package org.eclipse.cdt.lsp.services.ast;
 
 import org.eclipse.cdt.lsp.services.ClangdLanguageServer;
diff --git a/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/symbolinfo/RangeAndUri.java b/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/symbolinfo/RangeAndUri.java
index 79540f0e..acc4981f 100644
--- a/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/symbolinfo/RangeAndUri.java
+++ b/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/symbolinfo/RangeAndUri.java
@@ -1,3 +1,14 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Advantest Europe GmbH and others.
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ * Dietrich Travkin (Solunar GmbH) - Initial implementation
+ *******************************************************************************/
 package org.eclipse.cdt.lsp.services.symbolinfo;
 
 import org.eclipse.cdt.lsp.services.ClangdLanguageServer;
diff --git a/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/symbolinfo/SymbolDetails.java b/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/symbolinfo/SymbolDetails.java
index 5b173d51..0a2d0383 100644
--- a/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/symbolinfo/SymbolDetails.java
+++ b/bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/services/symbolinfo/SymbolDetails.java
@@ -1,3 +1,14 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Advantest Europe GmbH and others.
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ * Dietrich Travkin (Solunar GmbH) - Initial implementation
+ *******************************************************************************/
 package org.eclipse.cdt.lsp.services.symbolinfo;
 
 import org.eclipse.cdt.lsp.services.ClangdLanguageServer;