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Dr. Andreas Oser

Firm: Prüfer & Partner mbB
Country: Germany

Practice Area: Patent

  • Sohnckestrasse 12
chemistry, pharmaceuticals, life science and biotechnology, in particular:
biological materials, DNA-related inventions and vaccines
therapeutic and diagnostic methods
medical products & devices and targeted drug delivery
polymers and fibre materials
semiconductors, LEDs, OLEDs and other optical materials and optoelectronic devices,
batteries and their components 
Patent prosecution (drafting, examination)
High number of opposition and appeal proceedings at the European Patent Office
Patent litigation: Patent infringement proceedings before German courts, nullity proceedings up to the highest instance, the Federal Supreme Court; also covering coordinated and complex EU-wide litigation activities  
Infringement and validity opinions, freedom-to-operate (FTO) analyses, due diligence

Andreas Oser was and is currently heavily involved in many litigation cases, among others related to medical devices and important drug products.

Andreas Oser has been working in the IP field since 1991, became German and European patent attorney in 1995 and is managing partner at Prüfer & Partner since 2002.
In addition he holds an LL.M. degree in International Intellectual Property Laws (University of Hagen). Prior to working in IP field, he studied chemistry at the University of Freiburg i. Brsg., and then made his Ph.D. and postdoc studies at the Max Planck Institute for Biochemistry in Munich.
A. Oser in GRUR Int 1998, 648 (=IIC 30, 1-18 (1999)): “Patenting (Partial-)Gene Sequences
A. Oser, PATENTS & LICENSING 1998, 30: “EU Directive on Legal Protection of Biotech Inventions” 
A. Oser & S. Bavec, AIPPI Japan 2004 (Vol. 49 No. 7), 503: “Biotech Inventions in Europe”
A. Oser in GRUR Int 2006, 539 (=IIC 37, 520-550 (2006)): “European Patent Litigation Agreement - Admissibility and Future of a Patent Dispute Regulation in Europe"
Author or co-author of 10 scientific publications

Chamber of Patent Attorneys
epi - European Patent Institute
Member of the Biotech Committee of the epi
AIPPI - International Association for the Protection of Intellectual Property 
FICPI - International Federation of Intellectual Property Attorneys
LES - Licensing Executives Society
GDCh - Gesellschaft Deutscher Chemiker

English, German and French  

With some 100 members, including 22 German and European patent attorneys and lawyers, Prüfer & Partner mbB is one of the renowned IP law firms in Europe and Germany. The firm’s field of expertise and activity mainly covers protection as well as enforcement and defence of inventions in all technical fields. As a one-step service, it also advises and supports its clients in other legal matters, with a focus on all IP-related rights and aspects.

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