Braun-Dullaeus Pannen Emmerling (BDPE) is well known for their expertise in electronics and telecommunications patent work, particularly patent disputes. The firm can also advise on trade mark protection work.
Notable patent attorneys: Karl-Ulrich Braun-Dullaeus, Friedrich Emmerling, Franck Klein, and Michael Behmke.
Notable lawyer: Heinrich Georg Pannen.
2026
"BDPE is very litigation focused, having deep practical knowledge of the German courts and can apply such knowledge to develop practice oriented strategic advice to common clients."
"Highly knowledgeable about complex technology, in particular in the telecoms field; attention to detail; easy to work with."
"BDPE stands out for its highly specialised and strategic approach to patent litigation. The team combines exceptional technical expertise with strong legal capabilities and is particularly effective in handling complex and multi-jurisdictional disputes. Their ability to develop compelling arguments and anticipate challenges early makes them a highly reliable and efficient partner."
"Although our interaction is primarily focused on litigation, the team demonstrates a strong understanding of how prosecution and enforcement interrelate. Their approach is coherent, strategic, and aligned with litigation objectives, ensuring effective and commercially sound outcomes."
"In litigation matters, the team provides precise, well-structured, and commercially focused advice. Their guidance is reliable, pragmatic, and highly effective."
Friedrich Emmerling
"Friedrich Emmerling is an outstanding patent litigator with exceptional technical expertise and a highly strategic approach to complex disputes. He is particularly strong in handling multi-jurisdictional matters and is known for his ability to analyse intricate technical issues in depth and translate them into clear and effective legal strategies. His extensive experience, commercial awareness, and hands-on involvement make him a highly reliable and effective partner in demanding litigation matters."
2025
The team impressed a client with their "responsiveness, willingness to fight for their clients, and ability to handle large litigation campaigns".
"BDPE prepares patent litigation [considering] any conceivable situational condition. BDPE continues hard work on the preparation of patent litigation until they have achieved the maximum outcome."
Friedrich Emmerling
"Dr. Friedrich Emmerling would approach the problem from all possible directions and find a solution for the client."
2024
“They have vast experience in litigating telecom patents. The team is very approachable and easy to work with. The responsiveness is great, and the knowledge of EPO as well as FPC case law is unbeatable.”
“I would choose BDPE for their excellent technical expertise in the area of telecommunication as well as for their professionalism."
“Excellent collaboration during patent litigation, with knowledge about technological aspects of the case.”
“Michael Behmke is very responsive and shows attention to detail.”
“Karl-Ulrich Braun-Dullaeus is very experienced, accessible, and good-humoured. He is open for legal tech.”
2023
"They have an excellent understanding of the underlying technology, extensive commitment and great teamwork."
2022
"We selected them because of their outstanding performance in nullity actions and defence work in infringement actions."
"The firm understands the business of the client and is clear and transparent in its communication. Excellent forensic work."
Case studies show patent prosecution, opposition, and court litigation work. Clients include Deutsche Telekom, Telefónica Deutschland, Huawei Technologies, Dreame Technology, Philip Morris, and adidas. Katja Latos and Michael Behmke have left the firm.