Zimmermann & Partner Patentanwälte mbB advises on patent litigation and opposition work for telecoms, semiconductors, medical devices and consumer electronic devices clients. The team handles international IP portfolios for US-based multinational clients and has recently expanded its opposition and nullity practices. Joel Nägerl accompanies large multinationals from the telecoms, electrical engineering, semiconductor and optics industries through international patent litigation. Christian Ginzel is experienced in patent litigation and corresponding invalidation actions at an international level. Other key names include Dominique Gobert, who assists clients looking to optimise their patent portfolios through prosecutions and portfolio analysis, and Jan Hornung, who is active across all areas of IP, including patent protection, filing and enforcement matters.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • 'Excellent litigation practice for patent infringement cases.'
  • 'Frank Steinbach is excellent and very reliable in opposition proceedings.'
  • ‘Absolutely top-level litigation advice and representation in infringement and validity proceedings. The team always considers validity and infringement together, which makes it very easy and effective for a lawyer to work with them.’
  • ‘Christian Ginzel and Joel Nägerl stand out as the firm's most experienced trial patent attorneys. Exceptional pleadings in court and at the EPO. Very much fun to work with them.’

Key clients

  • Accelleron
  • Applied Materials Inc.
  • BOMAG AG
  • Bombardier
  • BSN Medical GmbH
  • Burmester Audiosysteme
  • The European Patent Office
  • Federal Institute for Materials Research and Testing
  • Fresenius
  • General Electric
  • Grupo Antolin
  • HP

Work highlights

Represented Samsung in multi-patent litigation against Datang, leading on technical strategy and prior art analysis to support validity and infringement proceedings before the Federal Patent Court and in parallel actions.
Advised HP in patent litigation against Palmira before the Federal Patent Court, leading technical strategy and prior art analysis.
Represented The Walt Disney Company in ongoing infringement and nullity proceedings against Adeia before the UPC and Munich Regional Court.

Lawyers

Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Other key lawyers

Joel Nägerl; Dominique Gobert; Jan Hornung; Benedikt Neuburger; Frank Steinbach; Christian Ginzel; Gerd Zimmermann; Frank Steinbach