The pharmaceutical companies Hexal and Teva may continue to sell…
Holger Schimmel
Counsel
Dr. rer. nat., Dipl.-Ing.
Dr. Holger Schimmel is a member of the chemistry department at df-mp. He advises domestic and foreign clients in the fields of active pharmaceutical ingredients and organic synthesis as well as materials science and polymer chemistry. He is authorized to represent clients before the German Patent and Trademark Office, the German Federal Patent Court, the European Patent Office as well as the European Intellectual Property Office.
Dr. Schimmel has been active in the field of intellectual property law since he joined df-mp in 2000. Since 2004, he is a German patent attorney.
+ 49 89 210 296 0
holger.schimmel@df-mp.com

Dr. Holger Schimmel is a member of the chemistry department at df-mp. He advises domestic and foreign clients in the fields of active pharmaceutical ingredients and organic synthesis as well as materials science and polymer chemistry. He is authorized to represent clients before the German Patent and Trademark Office, the German Federal Patent Court, the European Patent Office as well as the European Intellectual Property Office.
Dr. Schimmel has been active in the field of intellectual property law since he joined df-mp in 2000. Since 2004, he is a German patent attorney.
practice areas.
His scientific background covers the fields of organic and inorganic chemistry. Dr. Schimmel coordinates and handles patent application proceedings before the German and European Patent Offices and prepares patent nullity proceedings before the Federal Patent Court. Dr. Schimmel is also a member of the trademark and design departments. He is responsible for application and opposition proceedings for German and European trademarks as well as their enforcement and defence.
The patent disputes of our client Hexal AG over the…
admissions.
- German Patent Attorney
- European Patent Attorney
- European Trademark Attorney
- European Design Attorney
references and activities.
- Author and co-author of numerous scientific publications in the field of organic chemistry
curriculum vitae.
Representative cases.
- Teva GmbH vs. OSI Pharmaceuticals & Pfizer Products Inc.: represented Teva in a nullity action against the EP patent relating to Pfizer’s blockbuster anti-cancer drug Erlotinib / Tarceva®
publications.
- Trimethylstyrene: A Linear Free Energy Approach”, H. Mayr, A. R. Ofial, H. Schimmel, Macromolecules 2005, 38, 33-40.
- “Determination of Rate Constants in the Carbocationic Polymerization of Styrene: Effect of Temperature, Solvent Polarity, and Lewis Acid”,P. De, R. Faust, H. Schimmel, A. R. Ofial, H. Mayr, Macromolecules 2004, 37, 4422-4433.
- “Determination of the propagation rate constant in the carbocationic polymerization of 2,4,6-trimethylstyrene”, P. De, R. Faust, H. Schimmel, H. Mayr, M. Moreau, B. Charleux, J.-P. Vairon, Polym. Prep. 2003, 44, 804-805.
- “Initiation and Propagation Rate Constants for the Cationic Polymerization of N-Vinylcarbazole”, H. Schimmel, A. R. Ofial, H. Mayr, Macromolecules 2002, 35, 5454-5458.
- “Influence of Chain Length on the Electrophilic Reactivitiy of Carbocations”, H. Mayr, H. Schimmel, S. Kobayashi, M. Kotani, T. R. Prabakaran, L. Sipos, R. Faust, Macromolecules 2002, 35, 4611-4615.
- “Reference Scales for the Characterization of Cationic Electrophiles and Neutral Nucleophiles”, H. Mayr, T. Bug, M. F. Gotta, N. Hering, B. Irrgang, B. Janker, B. Kempf, R. Loos, A. R. Ofial, G. Remennikov, H. Schimmel, J. Am. Chem. Soc. 2001, 123, 9500-9512.