Uexküll & Stolberg > Hamburg, Germany > Firm Profile

Uexküll & Stolberg

Intellectual property > Patent litigation Tier 2

IP boutique Uexküll & Stolberg, with offices in Hamburg and Munich, is particularly well versed in opposition and appeal proceedings, both before the DPMA and the EPO. Nullity and infringement proceedings are also part of the advisory offering. The team around management trio Peter Franck (head of the chemicals practice group), Bernd Janssen (head of the technology practice group) and Albrecht von Menges (head of the biotechnology practice group) also regularly advise on international proceedings. The longstanding and ongoing instructions by numerous US pharmaceutical giants and other Fortune 500 corporations stand out in particular.

Key clients

Amgen Inc.



Janssen Pharmaceutical



Bristol-Myers-Squibb / Pfizer



Sealed Air

W.R. Grace

Big Ben

Chinese University of Hong Kong

Chr. Hansen

Work highlights

  • Representing the Bristol-Myers-Squibb / Pfizer alliance in several opposition proceedings before the European Patent Office (EPO) against up to eleven opponents.
  • Representing BIG BEN, a manufacturer of accessories for video game consoles, before the Federal Court of Justice in nullity proceedings against Nintendo.
  • Representing Ivoclar Vivadent AG in opposition proceedings against a patent held by 3M Innovative Properties Company.

Intellectual property > Patent prosecution Tier 3

Uexküll & Stolberg specialises in patent applications in the chemicals, pharmacology, biotechnology, life sciences, electronics and mechanical engineering sectors. The group assists with the drafting of applications before the DPMA and the EPO and has longstanding experience in corresponding application proceedings. The team also covers nullity proceedings. With offices in Munich and Hamburg, the firm is well positioned for litigious topics in infringement proceedings. Among the particularly loyal client base are numerous large international corporations. The Hamburg-based management trio consists of Peter Franck (chemicals), Bernd Janssen (technology) and Albrecht von Menges (biotechnology).


‘Profound knowledge of the subject. Excellent project work.’

André Guder: Technically excellent – in the field the proven expert. Fast, thorough and very well read. Efficient. Excellent network.

Key clients

Johnson & Johnson


Chr. Hansen


Ferring Arzneimittel GmbH


Seald Air

Amcol Intern. Corporation

Beiersdorf AG

Microjet Technology

Big Ben SA



Chinese University of Hong Kong


W. R. Grace & Co.


Komori Corporation

Kongsberg Automotive



Ohly GmbH


TuTech Innovation Hamburg

Heitkamp & Thumann KG

Work highlights

  • Advising ExxonMobil on the drafting of European and international patent applications as well as regular representation in patent granting and opposition proceedings before the EPO.
  • Representing Monsanto/Bayer in patent grant and opposition proceedings before the EPO.
  • Regular representation of Ivoclar Vivadent AG in patent grant proceedings and opposition proceedings before the EPO as well as advice on conducting patent infringement proceedings.

Intellectual property > Trade marks Tier 6

IP boutique Uexküll & Stolberg fields an experienced prosecution practice, with particular expertise in authorities proceedings before the DPMA and EUIPO. Additional experience in court proceedings and strategic advice on the development of trade mark and design portfolios complement the comprehensive service offering. The team also covers matters pertaining to product piracy and assists with expert opinions in the validation and infringement context. Frank Dettmann in Hamburg heads the team.

Practice head(s):


An outstanding law firm among the IP practices in Germany. Highly professional team that is fun to work with. Targeted and at the highest level all around.’

We can recommend Alexander Thünken for trademark law in Germany and the EU. He is very professional, very knowledgeable and client oriented in every way.

The team is very responsive and cost effective. Alexander Thünken replies quickly and is a pleasure to work with.’

Frank Dettmann is an excellent expert in trademark law .’

Uexküll & Stolberg, including Alexander Thünken and his team, are true specialists with a wealth of experience and we would not hesitate to recommend them. They have a pragmatic and business-oriented consulting approach and offer a high level of service.’

Key clients

Tiffany & Company

KYMCO or Kwang Yang Motor Co, Ltd

Mary Kay Inc.

Dr. Wolff Gruppe

Duracell Batteries BVBA


AXXO Im- und Export GmbH


GALENpharma GmbH

Roots Corporation, Toronto Kanada

W.R. Grace & Co.-Conn.

GeVeMa GmbH (Kleiner Feigling)

Helm AG

Rehaforum GmbH

Donkey Products

J. J. Darboven

Behn Getränke GmbH (GeVeMa)

Kalorimeta GmbH (Kalo)

Work highlights

  • Successful advice and representation of JJ Darboven before the European Court of Justice against the EUIPO due to the refusal of registration of the trademark/the word mark WINDSOR-CASTLE.
  • Advising and representing the US multi-level marketing company Mary Kay Inc. on German trademark applications, availability searches and strategic advice on trademark law.
  • Advice and representation of Dr.Wolff Group in the registration of trademarks worldwide, mostly via international IR trademarks, including the implementation of opposition and cancellation proceedings and support of legal proceedings for and against the Dr. Wolff Group in different countries.
Patents and licensing – chemistry Dr Peter Franck
Patents and licensing – chemistry Dr Ulrich-Maria Gross
Patents and licensing – biotechnology Dr Albrecht von Menges
Patents and licensing – biotechnology Dr André Guder
Patents and licensing – medical and electrical engineering Dr Johannes Ahme
Patents and licensing – pharmaceuticals industry Dr Ulrich-Maria Gross
Patents and licensing – pharmaceuticals industry Dr Heinz-Peter Muth
Trade marks Dr Frank Dettmann
Design registration Dr Johannes Ahme
Unfair competition Dr Frank Dettmann
Number of lawyers : 8
at this office : 7
Other offices : Munich