diff --git a/libnymea-zigbee/zigbeemanufacturer.cpp b/libnymea-zigbee/zigbeemanufacturer.cpp
index 96fb94f..b9e0d9b 100644
--- a/libnymea-zigbee/zigbeemanufacturer.cpp
+++ b/libnymea-zigbee/zigbeemanufacturer.cpp
@@ -1,3 +1,30 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+*
+* Copyright 2013 - 2020, nymea GmbH
+* Contact: contact@nymea.io
+*
+* This file is part of nymea-zigbee.
+* This project including source code and documentation is protected by copyright law, and
+* remains the property of nymea GmbH. All rights, including reproduction, publication,
+* editing and translation, are reserved. The use of this project is subject to the terms of a
+* license agreement to be concluded with nymea GmbH in accordance with the terms
+* of use of nymea GmbH, available under https://nymea.io/license
+*
+* GNU Lesser General Public License Usage
+* Alternatively, this project may be redistributed and/or modified under the terms of the GNU
+* Lesser General Public License as published by the Free Software Foundation; version 3.
+* this project 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 Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public License along with this project.
+* If not, see <https://www.gnu.org/licenses/>.
+*
+* For any further details and any questions please contact us under contact@nymea.io
+* or see our FAQ/Licensing Information on https://nymea.io/license/faq
+*
+* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
 #include "zigbeemanufacturer.h"
 
 ZigbeeManufacturer::ZigbeeManufacturer()
diff --git a/libnymea-zigbee/zigbeenetworkkey.cpp b/libnymea-zigbee/zigbeenetworkkey.cpp
index 0dee1ee..74600b9 100644
--- a/libnymea-zigbee/zigbeenetworkkey.cpp
+++ b/libnymea-zigbee/zigbeenetworkkey.cpp
@@ -1,3 +1,30 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+*
+* Copyright 2013 - 2020, nymea GmbH
+* Contact: contact@nymea.io
+*
+* This file is part of nymea-zigbee.
+* This project including source code and documentation is protected by copyright law, and
+* remains the property of nymea GmbH. All rights, including reproduction, publication,
+* editing and translation, are reserved. The use of this project is subject to the terms of a
+* license agreement to be concluded with nymea GmbH in accordance with the terms
+* of use of nymea GmbH, available under https://nymea.io/license
+*
+* GNU Lesser General Public License Usage
+* Alternatively, this project may be redistributed and/or modified under the terms of the GNU
+* Lesser General Public License as published by the Free Software Foundation; version 3.
+* this project 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 Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public License along with this project.
+* If not, see <https://www.gnu.org/licenses/>.
+*
+* For any further details and any questions please contact us under contact@nymea.io
+* or see our FAQ/Licensing Information on https://nymea.io/license/faq
+*
+* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
 #include "zigbeenetworkkey.h"
 
 #include <QDataStream>
diff --git a/libnymea-zigbee/zigbeenetworkkey.h b/libnymea-zigbee/zigbeenetworkkey.h
index 3bd32d8..99dc0a7 100644
--- a/libnymea-zigbee/zigbeenetworkkey.h
+++ b/libnymea-zigbee/zigbeenetworkkey.h
@@ -1,3 +1,30 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+*
+* Copyright 2013 - 2020, nymea GmbH
+* Contact: contact@nymea.io
+*
+* This file is part of nymea-zigbee.
+* This project including source code and documentation is protected by copyright law, and
+* remains the property of nymea GmbH. All rights, including reproduction, publication,
+* editing and translation, are reserved. The use of this project is subject to the terms of a
+* license agreement to be concluded with nymea GmbH in accordance with the terms
+* of use of nymea GmbH, available under https://nymea.io/license
+*
+* GNU Lesser General Public License Usage
+* Alternatively, this project may be redistributed and/or modified under the terms of the GNU
+* Lesser General Public License as published by the Free Software Foundation; version 3.
+* this project 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 Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public License along with this project.
+* If not, see <https://www.gnu.org/licenses/>.
+*
+* For any further details and any questions please contact us under contact@nymea.io
+* or see our FAQ/Licensing Information on https://nymea.io/license/faq
+*
+* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
 #ifndef ZIGBEENETWORKKEY_H
 #define ZIGBEENETWORKKEY_H
 
diff --git a/libnymea-zigbee/zigbeenetworkreply.cpp b/libnymea-zigbee/zigbeenetworkreply.cpp
index 55dc7ea..f7acee3 100644
--- a/libnymea-zigbee/zigbeenetworkreply.cpp
+++ b/libnymea-zigbee/zigbeenetworkreply.cpp
@@ -1,3 +1,30 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+*
+* Copyright 2013 - 2020, nymea GmbH
+* Contact: contact@nymea.io
+*
+* This file is part of nymea-zigbee.
+* This project including source code and documentation is protected by copyright law, and
+* remains the property of nymea GmbH. All rights, including reproduction, publication,
+* editing and translation, are reserved. The use of this project is subject to the terms of a
+* license agreement to be concluded with nymea GmbH in accordance with the terms
+* of use of nymea GmbH, available under https://nymea.io/license
+*
+* GNU Lesser General Public License Usage
+* Alternatively, this project may be redistributed and/or modified under the terms of the GNU
+* Lesser General Public License as published by the Free Software Foundation; version 3.
+* this project 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 Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public License along with this project.
+* If not, see <https://www.gnu.org/licenses/>.
+*
+* For any further details and any questions please contact us under contact@nymea.io
+* or see our FAQ/Licensing Information on https://nymea.io/license/faq
+*
+* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
 #include "zigbeenetworkreply.h"
 
 ZigbeeNetworkReply::ZigbeeNetworkReply(QObject *parent) : QObject(parent)
diff --git a/libnymea-zigbee/zigbeenetworkreply.h b/libnymea-zigbee/zigbeenetworkreply.h
index ad6066f..eeb8ec6 100644
--- a/libnymea-zigbee/zigbeenetworkreply.h
+++ b/libnymea-zigbee/zigbeenetworkreply.h
@@ -1,3 +1,30 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+*
+* Copyright 2013 - 2020, nymea GmbH
+* Contact: contact@nymea.io
+*
+* This file is part of nymea-zigbee.
+* This project including source code and documentation is protected by copyright law, and
+* remains the property of nymea GmbH. All rights, including reproduction, publication,
+* editing and translation, are reserved. The use of this project is subject to the terms of a
+* license agreement to be concluded with nymea GmbH in accordance with the terms
+* of use of nymea GmbH, available under https://nymea.io/license
+*
+* GNU Lesser General Public License Usage
+* Alternatively, this project may be redistributed and/or modified under the terms of the GNU
+* Lesser General Public License as published by the Free Software Foundation; version 3.
+* this project 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 Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public License along with this project.
+* If not, see <https://www.gnu.org/licenses/>.
+*
+* For any further details and any questions please contact us under contact@nymea.io
+* or see our FAQ/Licensing Information on https://nymea.io/license/faq
+*
+* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
 #ifndef ZIGBEENETWORKREPLY_H
 #define ZIGBEENETWORKREPLY_H