German Patent and Trade Mark Office. National procedures:

 

European Patent Office. European grant procedure

 

World Intellectual Property Organization (WIPO). International proceedings

 

European Union Intellectual Property Office

 

If you need further information on IP rights, patents and exploitation issues, we will be happy to put you in touch with suitable contacts, for example the inventor advisory service of the Hanover Chamber of Industry and Commerce: https://www.hannover.ihk.de/service/service-a-z/e/erfinderberatung.html.