Telefon E-Mail


Your personal contact to us

+49 (0)30 - 4004 1740

+49 (0)521 - 55 74 695



Your personal contact to us





The partnership BRANDT & NERN PATENT ATTORNEYS is a German civil law association (Gesellschaft bürgerlichen Rechts - GbR) with offices in Bielefeld and Berlin. The Head Office is in Berlin.

In both offices we represent clients from across Germany and from abroad in the field of intellectual property. We would be pleased to advise and represent you in matters relating to patents, utility models, trade marks and designs.

To best protect your interests, we can act directly on your behalf before the German Patent and Trade Mark Office (DPMA) and the Federal Patent Court (BPatG), the Federal Plant Variety Office, the European Patent Office (EPO), the European Union Intellectual Property Office (EUIPO, formerly Office for Harmonization in the Internal Market - OHIM) and before other international intellectual property authorities, in special cases also before the German Federal Court of Justice (BGH) .

Furthermore, a professional network of colleagues - lawyers and patent attorneys at home and abroad - is available to provide support as required.

Berlin Office

Contact Berlin Office

Dipl.-Ing. Peter-Michael Nern
Kekuléstraße 2-4
D-12489 Berlin

Tel.: +49 (0)30 - 4004 1740
Fax: +49 (0)30 - 4004 1742

Business Location Berlin

Our Berlin office is located in the district Treptow-Köpenick at the modern technology park “Adlershof" (WISTA), one of the largest science and technology parks in Germany. The law firm here has been run by Patent Attorney Peter-Michael Nern since 2002. In February 2013 it merged with law firm Brandt in Bielefeld to form the transregional partnership BRANDT & NERN PATENTANWÄLTE. At the Berlin office, Mr Nern is your competent local partner in the field of intellectual property.

We cover virtually all aspects of intellectual property protection in our work. In particular we represent our clients in acquiring patents, utility models, trade marks and registered designs as well as in the defence, licensing and enforcing of these rights before third parties.

Bielefeld Office

Contact Bielefeld Office

Dipl.-Ing. Detlef Brandt
Meisenstraße 96
D-33607 Bielefeld

Tel.: +49 (0)521 - 55 74 695
Fax: +49 (0)521 - 55 74 696

Business Location Bielefeld

Our Bielefeld office is in the district Bielefeld-Sieker and can be reached easily by car or public transport. The Bielefeld Technology Centre provides us with ideal office space with the most up-to-date technical equipment. Patent Attorney Detlef Brandt is your competent local partner in Bielefeld for all questions relating to intellectual property rights.

Our client base in Bielefeld is comprised largely of medium-sized regional businesses, however our work also includes mandates for public institutions, manual workers and freelancers. We advise and represent this client base across the full scope of intellectual property issues –  securing patents, utility models, trade marks and registered designs and enforcing these in dealings with third parties, drawing up license agreements or providing legal advice relating to employee inventions.