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Andreas Oser

Managing Partner · Prüfer & Partner

GermanyIntellectual Property, Patent ProsecutionGerman, English, French

About

Managing Partner at Prüfer & Partner with experience in the IP field since 1991; became a German and European patent attorney in 1995 and has served as managing partner since 2002. He specialises in chemistry, pharmaceuticals, life sciences and biotechnology and has extensive experience in patent prosecution, EPO opposition and appeal proceedings, and patent litigation before German courts including nullity proceedings up to the Federal Supreme Court.

Practice areas

Intellectual PropertyPatent ProsecutionPatent LitigationLife SciencesBiotechnologyPharmaceuticalsMedical DevicesChemistry

Office

Expertise

Chemical and pharmaceutical inventionsBiological materials and DNA-related inventionsVaccinesTherapeutic and diagnostic methodsMedical products and devices and targeted drug deliveryPolymers and fibre materialsSemiconductors, LEDs, OLEDs and optical/optoelectronic materials and devicesBatteries and battery componentsFreedom-to-operate analyses and due diligenceOpposition and appeal proceedings at the European Patent OfficeCoordination of complex EU-wide litigation

Education

  • Studied Chemistry, University of Freiburg (Freiburg im Breisgau)
  • PhD, Max Planck Institute for Biochemistry, Munich
  • Postdoctoral studies, Max Planck Institute for Biochemistry, Munich
  • LL.M. in International IP Laws, University of Hagen

Admissions

  • German Patent Attorney (Patentanwalt) — admitted 1995
  • European Patent Attorney — admitted 1995

Languages

GermanEnglishFrench