Mannheim Office
Tel: +49 (0) 621 43298 6000
Fax: +49 (0) 621 43298 6100
marcusgrosch@quinnemanuel.com

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Dr. Marcus Grosch is a German qualified attorney (Rechtsanwalt) and Partner at Quinn Emanuel. He focuses on IP litigation, with a particular emphasis on patent litigation. His expertise includes working with clients and litigating patents in various industries (high-tech, medical devices, pharma-bio) involving the coordination of lawsuits in multiple jurisdictions. Dr. Grosch also has specific experience regarding the interface of patents and antitrust laws (e.g., patents essential to industry standards and FRAND-defences). He has pleaded numerous cases, both in the German patent infringement courts (mainly Mannheim/Karlsruhe and Düsseldorf, at trial and appellate level) and in opposition proceedings at the EPO (including appeal proceedings) as well as before the German PTO (cancellation actions) and the German Patent Court (nullity actions).

Before joining Quinn Emanuel in 2010, he was a partner at Allen & Overy LLP for nearly three years and a partner at Schilling & Grosch (a leading German IP boutique) for five years. Dr. Grosch is a lecturer in patent law at both Freiburg University and Mannheim University. He earned his Ph.D. from Mannheim University and his LL.M. from Yale University. He was a member of the German National Academic Foundation (Studienstiftung des deutschen Volkes).

For years Dr. Grosch has been consistently ranked by the leading German law directory JUVE as one of the leading individuals in patent litigation (age group up to 50 years). In both 2006 and 2012, he was identified by JUVE as one of the top 40 German attorneys under the age of 40 (a review which is done once every five years and in 2006 included only two patent litigators). Chambers Europe 2009 recognized him as a “renowned litigator”, who brings with him “remarkable expertise” as well as an impressive array of loyal clients. Described as “meticulous, precise and excellent technically,” he is valued by clients for his “enthusiastic and dedicated approach to achieving the best possible results.” Chambers Europe 2012 described him as "the doyen of patent litigation," offering in-depth expertise in the hi-tech, medical devices, and pharmaceutical industries.

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