Overview

Christian’s excellent reputation makes him an ideal choice for leading global technology companies.

Christian, based in the Düsseldorf office, is partner and head of our German Intellectual Property Group as well as co-head of our International Intellectual Property Group.
 
He is experienced in all areas of intellectual property (IP), but focuses on international patent litigation of all technical areas. Throughout his career, Christian has led and coordinated a number of multi-national proceedings for clients such as Caterpillar, Electrolux, Ericsson, GlaxoSmithKline and Honeywell. He also successfully represents mid-cap companies including a German railway company for which he achieved, after three instances, the breakthrough decision of the Federal Supreme Court “Laufkranz” in 2006.
 
For many years, legal publications have noted Christian as one of the leading patent lawyers in Germany and Europe. Already in 2001, Christian was recognised by JUVE in their "Top 40 under 40" and, thus, one of the leading German lawyers of his generation.
 
Christian is Deputy Chairman of the German Intellectual Property and Copyright Association's (GRUR) section West and sits on the GRUR committees on patent and utility model law and on the protection of plants. He is also a member of the International Association for the Protection of Intellectual Property (AIPPI), the European Patent Lawyer Association (EPLAW) and the American Intellectual Property Law Association (AIPLA).
 
He lectures and publishes regularly on various themes relating to the practice of intellectual property law and writes regularly as a columnist in the German newspaper Handelsblatt.

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Lawyer Testimonials
  1. IAM Patent 1000 2018

    "Harmsen is one of the top telecoms experts in Europe, and, in addition to his incredible knowledge, he also has the people skills to bring opposing counsel to the negotiating table and secure solutions that work."
  2. Christian Harmsen is highly reputed for his strength in high-stakes patent litigation cases, where he is regularly mandated by household names from the technology and telecommunications sectors. Clients say: “He plays a very central role in cases and does an excellent job. He's really a great litigator.”

    Chambers Europe 2018
  3. Christian Harmsen is “one of the best out there”, thanks to his “extensive experience handling multi-jurisdictional patent litigation”, say interviewees.

    Who's Who Legal 2018