PATGUARD - Key Persons


Annemarie Blum von Ann

Annemarie Blum von Ann studied law at the University of Hamburg. Upon conclusion of the second state examination in law, she acquired the Doctor of Laws at the University of Hamburg. Annemarie Blum von Ann worked for several well-known companies on a national and international level. Amongst others, she was the head of the legal and patents department of GRUNDIG Inter-media GmbH in Nuremberg as well as head of the legal department and authorized signatory at EMTEC Magnetics GmbH based in Ludwigshafen, which, as a former subsidiary of BASF AG, operated under the name BASF Magnetics GmbH. Since 1989, Annemarie Blum von Ann is accredited lawyer before all German local and regional courts. She is authorized to representation before the Federal Patent Court, the German Patent and Trademark Office as well as the Office for Harmonization for the Internal Market in Alicante. She disposes of an extensive professional experience in national and international economic law, con-tract law, competitive law, license law, trademark and patent law. She joined our Office in January 2010.

Dipl.-Ing. Josef Bockhorni

Job Titles:
  • German and European / Patent Attorney

Dipl.-Ing. Rolf Schrooten

Job Titles:
  • Patent Attorney - Düsseldorf

Dr. Stefan Mederle-Hoffmeister

Dr. Stefan Mederle-Hoffmeister studied Physics and minored in IT at the University in Augsburg. Upon his graduation as physicist, he wrote his dissertation at the Max Planck Institute for Chemical Physics of Solids based in Dresden and simultaneously conferred his doctorate at the Technical University in Dresden.

Jan Haber

Job Titles:
  • Attorney - at - Law - Düsseldorf

Jeannine Zorn

Job Titles:
  • Associate Attorney - at - Law

Sabine Röhler

Job Titles:
  • Associate Attorney - at - Law
Sabine Röhler as a lawyer is specialized in intellectual property law. Therefore in particular she advises our clients in trademark affairs, design law, competition and copyright law, patent infrigment procedures as well as the elaboration of licence contracts. Sabine Röhler studied law at the Ludwig-Maximilians-Universität in Munich, followed by her legal traineeship in Munich. During her legal training she gained intellectual property law experience in a big international law firm, working as a student assistant. After her examination first she started working in a prestigious commercial law firm in Munich.

Thorsten Brüntjen

Thorsten Brüntjen is admitted as a European Patent Attorney, a European Trademark and Design Attorney, and as a German Patent Attorney since 2011. As a physicist, as well as German and European Patent Attorney, his counselling and cooperation with clients ranges since 2007 to small, medium and large-sized companies operating on a national and international level. Thorsten Brüntjen is familiar with all aspects of the IP sector. His focus lies on the drafting and prosecution of patent and design applications, oppositions and nullity proceedings, German's inventor's rights and on litigation proceedings from IP rights. Due to his technical-physical background, Thorsten Brüntjen covers a large technical profile including mechanical and electromechanical engineering, general physics and computer-implemented inventions. He has special technical knowledge in software, embedded systems, bioinformatics, micro- and nanotechnology, semiconductor and coating technology, plastics processing, insulation technology, driver's assistance systems and vehicle battery and accumulator technology. Thorsten Brüntjen obtained an in-service training at Bockhorni & Colleagues in Munich in the years from 2008 to 2010 and was educated at the German Patent and Trademark Office as well as at the German Federal Patent Court. He has successfully worked in the Munich office of a renowned German patent law firm for several years thereafter and moved back to Bockhorni & Colleagues in 2018. As part of his studies in theoretical physics and mathematics, Thorsten Brüntjen completed a further two year research stay at the Laboratoire de Physique Théorique in Orsay, Paris. Thorsten Brüntjen is the author of several articles in the field of patent law including "Zur Vertraulichkeit von Internetrecherchen", published in GRUR 9/2013, which principally discusses whether internet searches may constitute prior art in patent law.

Vanessa Bockhorni

Vanessa Bockhorni is a German Patent Attorney and European Trademark and Design Attorney. She studied law for Patent and Trademark Attorneys at the University of Hagen, Germany and graduated from the University of Technology, Sydney with a first class BScHonours degree in Biotechnology, specialising in immunology, molecular and cellular biology. She was educated at the German Patent and Trademark Office as well as the German Federal Patent Court in Munich and obtained in-service training at Bockhorni & Colleagues. Her finals Honour project, supported by Immune System Therapeutics Ltd. (ISTL), involved "Mapping the Epitope of a Therapeutic Monoclonal Antibody using Site-directed Mutagenesis". Vanessa Bockhorni gained further experience in the areas of cancer research at ISTL and in the areas of biochemical plant pathology at the Bavarian State Research Centre for Agriculture and the German Research Centre for Environmental Health.