Never stop asking.
Albert Einstein

Alexander Lehmann

Dipl.-Phys. (Univ.), Master of Laws
Patent Attorney, European Patent Attorney,
European Trademark & Design Attorney
Registered Representative before the Unified Patent Court

+49 89 69 39 21-0lehmann@pruefer.eu

Professional career

Alexander Lehmann has been working in intellectual property law since 1991, as a patent attorney since 1995 and as a partner at Prüfer & Partner since 2008. Before training to be a patent attorney, he gained practical experience in the automobile industry. He studied physics at the Technical University of Munich (TUM) and gained his Master of Laws (LL.M.) in European intellectual property law at the University of Hagen.

German (mother tongue), English (business fluent), French (basic knowledge)

Specialist areas of activity


  • Filing and examination processes for patents, trademarks, designs (registered designs)
  • litigation procedures in patent, trademark and design matters (appeal, opposition, cancellation, nullity, invalidity and infringement proceedings)
  • representation of clients before the German Patent and Trademark Office, the European Patent Office, the Federal Patent Court, the Federal Supreme Court (in nullity proceedings), the European Union Intellectual Property Office (EUIPO) and the World Intellectual Property Organization (WIPO)
  • Cooperation in IP litigation proceedings before the German civil courts
  • expert opinions
  • (licence) contracts and agreement


  • mechanical engineering and mechanics of all kinds
  • automotive technology
  • electrical engineering, electro-mechanics
  • physics (including optics and semiconductor technology)
  • power engineering and energy technology

Publications and memberships

Publications and memberships

No publications


Chamber of German Patent Attorneys
Federal Association of German Patent Attorneys
VPP – Association of Intellectual Property Experts
epi – European Patent Institute
FICPI – International Federation of Intellectual Property Attorneys
INTA – International Trademark Association