The employee or contractor has the "Urheberrecht"(german law that states the rights of a content creator) for any code he wrote during his work. Additionally th

The employee or contractor has the "Urheberrecht"(german law that states the rights of a content creator) for any code he wrote during his work. Additionally the employer automatically gains the "Nutzungsrecht" (rights to use, distribute and duplicate the work). While the employee still has the creator rights he cannot exercise them since the content contains trade secrets.