Clemens Rübel

Norton Rose Fulbright LLP

Clemens Rübel

Clemens Rübel



Clemens Rübel is an intellectual property lawyer based in Munich. He focuses on cross-border patent, trade mark and design infringement and (in-)validity actions before German national courts up to the German Federal Court of Justice, the Boards of Appeal of the European Patent Office and the Unified Patent Court (UPC).

Clemens has advised for more than 20 years as lead counsel in a high number of cross-border patent infringement proceedings across a range of sectors, including: electrical engineering and telecommunications; medical devices; pharmaceuticals; biotechnology; mechanical and plant engineering; automotive; sports equipment.

His work involves taking complex technical cases, such as those related to standard-essential patents or biotech, and making them presentable to courts. Clemens regularly works with our worldwide network of IP  professionals and provides clients with customized enforcement strategies.

Clemens is very familiar with the particular requirements and preferences of the patent, trade mark and design courts and UPC Local Chambers in Munich, Düsseldorf, Mannheim and Hamburg.

Clemens' clients include leading international companies, as well as innovative medium-sized enterprises.

He also specialisesin trade secret law, employee invention law, competition law, pharmaceutical advertising law, copyright law and licensing law. His forensic experience proves beneficial in out-of-court activities such as freedom-to-operate opinions or when supporting our M&A teams in transactions.

Clemens Rübel regularly gives lectures on selected topics of IP law. Before joining the firm in 2014, he was partner at a renowned European IP boutique for six years.

Clemens Rübel is recommended by leading legal directories for patent law, trade mark law, IP and litigation. 

Professional experience

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Law – University of Regensburg (Germany); University of Trieste (Italy); and University of Edinburgh (UK).

  • Rechtsanwalt

Intellectual property as well as Litigation, Best Lawyers Germany, 2023

Patent star 2022, IP Stars 2022 Edition

Key individual: Trade marks: The Legal 500, 2021

Patent Litigation, Leaders League 2023

Patents, The Legal 500, 2023


  • Covering the bases: Acts of use in German patent law, Patent World, December 2006/January 2007, p. 18-21
  • Reaching out: Damages for endangering of patents?, Patent World, July/August 2006, p. 17-19
  • Working together: How do Europe’s national systems cope with the European regulation on the detention of infringing goods?, co-author, WORLDfocus: Fighting IP Theft, May 2005, p. 52-56
  • Why torpedoes have backfired, co-author, Managing Intellectual Property, July/August 2003
  • Biotech risks of compulsory licensing, co-author, Managing Intellectual Property, March 2003, p. 47-49
  • Designs can usher in trade marks, co-author, Managing Intellectual Property, October 2002, p. 23-24
  • Patentschutz bei Reparatur- und Ersatzteilfällen, GRUR 2002, p. 561-566
  • The limits of numerical patent claims, co-author, Managing Intellectual Property, Patent Yearbook 2002, p. 21-24
  • Numerical data in patent claims clarified, Managing Intellectual Property, co-author, IP Litigation Yearbook 2002, p. 8-11.
  • German
  • English
  • Italian
  • French