diff --git a/pm4py/algo/querying/llm/connectors/anthropic.py b/pm4py/algo/querying/llm/connectors/anthropic.py
index 8371aeb55..191c19b58 100644
--- a/pm4py/algo/querying/llm/connectors/anthropic.py
+++ b/pm4py/algo/querying/llm/connectors/anthropic.py
@@ -1,3 +1,24 @@
+'''
+    PM4Py – A Process Mining Library for Python
+Copyright (C) 2024 Process Intelligence Solutions UG (haftungsbeschränkt)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see this software project's root or
+visit <https://www.gnu.org/licenses/>.
+
+Website: https://processintelligence.solutions
+Contact: info@processintelligence.solutions
+'''
 from enum import Enum
 from pm4py.util import exec_utils
 from typing import Optional, Dict, Any
diff --git a/pm4py/algo/querying/llm/connectors/google.py b/pm4py/algo/querying/llm/connectors/google.py
index c159be83c..2bafafff1 100644
--- a/pm4py/algo/querying/llm/connectors/google.py
+++ b/pm4py/algo/querying/llm/connectors/google.py
@@ -1,3 +1,24 @@
+'''
+    PM4Py – A Process Mining Library for Python
+Copyright (C) 2024 Process Intelligence Solutions UG (haftungsbeschränkt)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see this software project's root or
+visit <https://www.gnu.org/licenses/>.
+
+Website: https://processintelligence.solutions
+Contact: info@processintelligence.solutions
+'''
 from enum import Enum
 from pm4py.util import exec_utils
 from typing import Optional, Dict, Any
diff --git a/pm4py/algo/querying/llm/connectors/openai.py b/pm4py/algo/querying/llm/connectors/openai.py
index d3755e4ca..0e5bdf135 100644
--- a/pm4py/algo/querying/llm/connectors/openai.py
+++ b/pm4py/algo/querying/llm/connectors/openai.py
@@ -1,3 +1,24 @@
+'''
+    PM4Py – A Process Mining Library for Python
+Copyright (C) 2024 Process Intelligence Solutions UG (haftungsbeschränkt)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see this software project's root or
+visit <https://www.gnu.org/licenses/>.
+
+Website: https://processintelligence.solutions
+Contact: info@processintelligence.solutions
+'''
 import sys
 from enum import Enum
 from pm4py.util import exec_utils