Karl-Ulrich Braun-Dullaeus

Braun-Dullaeus Pannen Emmerling - Germany


Platz der Ideen 2

40476, Germany


Notable practitioner



Practice areas:

Patent litigation
Patent prosecution
Patent strategy & counseling

Industry sectors:

ICT & software

Karl-Ulrich Braun-Dullaeus is a patent attorney and equity partner at Braun-Dullaeus Pannen Emmerling (BDPE) in Düsseldorf, an IP service boutique specializing in IP litigation.

Dr. Braun-Dullaeus has more than 20 years of experience as a patent attorney, during which he has successfully litigated a large number of patent disputes, particularly for large corporations in the telecommunications sector. The attacks on the legal status of the patents asserted in IP litigation are extensive and successful. He benefits from his broad experience in drafting patent applications and conducting grant proceedings. 

He represents clients before the German Patent and Trademark Office (DPMA), the German Federal Patent Court (BPatG), the European Patent Office (EPO), the European Union Intellectual Property Office (EUIPO) and the World Intellectual Property Organization (WIPO).

Dr. Karl-Ulrich Braun-Dullaeus joined the law firm Braun-Dullaeus Pannen Emmerling (BDPE) in Düsseldorf as an equity partner in 2019. In 2002, he went into business for himself with colleagues and founded the law firm Braun-Dullaeus Pannen in 2010. He has been a patent attorney since 1998. Until 1994 he worked as a physicist in applied nuclear physics, semiconductor and solid state physics, physical oceanography and medical physics. He studied physics at the University of Heidelberg and received his PhD from the Max Planck Institute for Nuclear Physics.


Last updated 10th March 2021