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Dr. Clemens Plassmann


Dr. Clemens Plassmann
English, French, German
Practice Group
Intellectual Property

Clemens Plassmann is a leader in intellectual property matters with a focus on technical IP rights (patents and utility models).

Clemens conducted numerous patent infringement lawsuits before the German civil courts and worked on parallel validity proceedings before the German Patent and Trademark Office, the German Federal Patent Court, the German Federal Supreme Court and the European Patent Office. He has a great deal of experience in coordinating multi-jurisdictional patent disputes (including arbitrations) in Europe. Clemens is also active in client counselling as regards licensing, transactional IP and the law of employees' inventions. He increasingly advises on strategic issues related to the upcoming system of the Unified Patent Court in Europe. 

Representative experience

Advising in major transactions on various IP issues (examination of IP portfolios; assessment of related risks, etc.).

Coordinating complex Europe-wide patent litigation for an innovative medical devices company over the last 10 years.

Conducting comprehensive arbitration proceedings according to the rules of arbitration of the World Intellectual Property Organization.

Acting for QIAGEN in complex biotech patent disputes.

Conducting a major licensing dispute before the German courts from first to last instance (life sciences).

Advising and representing a manufacturer of special chemicals in the field of trade secrets and know-how protection.

Education and admissions


  • Dr. iur., Freie Universität Berlin, 1996
  • Second State Exam in Law, Berlin, 1995
  • First State Exam in Law, LMU Munich (Ludwig-Maximilians-Universität München), 1990


  • German Association for the Protection of Intellectual Property (GRUR)
  • Association of Intellectual Property Experts (VPP)
  • European Patent Lawyers Association (EPLAW)


Recommended lawyer for patent law

JUVE handbook


Included for Intellectual Property and Information Technology law

Edition Best Lawyers™ in Germany


IP Star Patents

Managing Intellectual Property


One of the world's leading practitioners for patent law

Who's Who Legal

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