Of Counsel
Patent Attorney*

Eastsite One
Seckenheimer Landstraße 4
D-68163 Mannheim  

Phone: +49 (621) 42 271-0
Facsimile:  +49 (621) 42 271-31
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Günter Isenbruck is a German and European Patent Attorney with a background in chemistry. He worked with the Hoechst group from 1975 to 1996 and then moved into private practice. He has been a senior partner of the patent attorney law firm, Isenbruck Bösl Hörschler LLP, where he has been located at the Mannheim office since January 2003. The majority of his activities are in the chemical and pharma fields.

Günter Isenbruck was president of LES Germany for two years up to 2008. Apart from global patent filing and prosecuting, he specializes in technology transfers, validity and FTO studies and co-operations between industry and universities (including start-ups and spin-offs).

From 2007 to 2010, he held a teaching position at the Robert Schuman University in Strasbourg on licensing practice and in 2008 became a member of the Scientific Council of the IP center at the Mannheim University. He has been appointed and has acted as an IP legal expert at the district court in Duesseldorf and the labour court in Offenbach.


European Patent Attorney
European Trademark and Design Attorney
German Patent Attorney
Degree of Diplom-Chemiker and Ph.D. in Organic Chemistry from Goethe University in Frankfurt
Studied Education at the University in Zurich (Switzerland)
Studied U.S Patent Law in 1979 at the Catholic University in Washington DC


European Patent Institute (epi)
International Federation of Intellectual Property Attorneys (FICPI)
Patentanwaltskammer (Chamber of Patent Attorneys)
Licensing Executives Society (LES), Former President of LES Germany
German Association for the Protection of Intellectual Property (GRUR)
Interdisciplinary Center for Intellectual Property at the Mannheim University (IZG), Member and until 2010 Chair of IZG's Scientific Council

SPRACHEN German, English
*) Patentanwalt, admitted to the German Bar of Patent Attorneys. European Patent Attorney, admitted as representative before the European Patent Office.