Lars Birken


Lars Birken


Patent Attorney
European Patent Attorney
European Trade Mark and Design Attorney
Representative before the UPC


Lars Birken

Patent Attorney
European Patent Attorney
European Trade Mark and Design Attorney
Representative before the UPC

In his role as patent attorney, Lars Birken serves companies with the aim of patenting and exploiting their technological innovations. He is primarily involved in the judicial and extrajudicial enforcement of technological intellectual property rights both in Germany and abroad, in patent prosecution and in developing solutions relating to competitor IP rights. Lars Birken also provides legal advice on employee invention issues and on patent portfolio management.

According to Handelsblatt/Best Lawyers, Lars Birken ranks as one of Germany’s best lawyers in 2023 in the field of Intellectual Property Law.

He speaks German, English and French.

Technical focus

  • Naval engineering
  • Mechanical engineering
  • Aeronautical engineering
  • Renewable energies
  • Agricultural engineering


Engineering training at the RWTH Technical University of Aachen, graduated with a Master’s degree in Mechanical Engineering (Dipl.-Ing.) in 1995, preclinical studies in human medicine; AO Research Institute, Davos, Dr.-Ing. (Doctor of Engineering) degree obtained in 2001 from the Technical University (TU) of Hamburg-Harburg.

Legal training at Eisenführ Speiser, Distance-Learning University of Hagen: Law for Patent Attorneys, 2000-2002; German Patent and Trademark Office, German Patent Court, State Examination passed in 2003; Distance-Learning University of Hagen: Master’s degree in European Intellectual Property, LL.M. 2008. Patent Attorney (Germany) since 2003.

Lecturer in Patent Law at the Helmut Schmidt University - the university of the German armed forces in Hamburg.

Lars Birken is member of the management board of Eisenführ Speiser.


  • Patent Attorneys Association (PAK)
  • Institute of Professional Representatives before the European Patent Office (epi)
  • International Association for the Protection of Intellectual Property (AIPPI)
  • German Association for the Protection of Intellectual Property (GRUR)
  • Fédération Internationale des Conseils en Propriété Intellectuelle (FICPI)
  • Federal Association of German Patent Attorneys

Publications & Presentations

Patente, Produkte und Piraten

Interview in HaysWorld, Edition 02/22, Find here

Art. 86, 127-134a, 141 in: "Benkard: Europäisches Patentübereinkommen"

(Commentary to the European Patent Convention), edited by Jochen Ehlers and Ursula Kinkeldey, 3rd ed. 2019; München

Europäisches Patentübereinkommen

Benkard (Hrsg.); 2. Auflage 2012; Beck'sche Kurzkommentare, Kommentierung der Art. 133 bis 134a; ISBN 978-3-406-60579-6

Heranführende und weiterbildende Ausbildungsmöglichkeiten

Perspektive Patentanwalt, e-fellows.wissen

Verschleissverhalten eigenfaserverstärkter Polyethylenwerkstoffe für tibiale Komponenten nicht-konformer totaler Knieendoprothesen

ISBN: 978-3-8322-1057-1, Aachen 2003

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