Each case is different, each idea is worth being treated individually

Dr. Peter Klein

Dr. rer. nat., Dipl.-Phys.
German Patent Attorney, European Patent Attorney,
European Trademark & Design Attorney
Registered Representative before the Unified Patent Court

+49 89 69 39 21-0klein@pruefer.eu

Professional career

Dr. Peter Klein has been working as a patent attorney at Prüfer & Partner since 2004. He joined Prüfer & Partner as trainee in 2004.
Prior to this, he worked as a project coordinator at the University of Dortmund for the microsensor technology alliance NRW.
He received his Ph.D. in physics from LMU Munich. Dr. Peter Klein worked as research assistant at the semiconductor laboratory of the Max Planck Institutes for Physics and Extraterrestrial Physics. Previously, he worked as a system programmer at Rohde & Schwarz GmbH & Co. KG.
He studied physics and computer science at LMU Munich.

German (mother tongue), English, French

Specialist areas of activity


  • Many years of experience in advising clients on the protection of technical innovations
  • Patent drafting
  • Patent prosecution, opposition and appeal proceedings before the German Patent and Trademark Office (DPMA), the German Federal Patent Court (BPatG), and the EPO
  • Expert opinions on validity and infringement


  • semiconductor devices (design, simulation, manufacturing technology, etc.)
  • additive manufacturing
  • medical technology (especially ophthalmic devices and orthopaedic technology)
  • sensor technology
  • computer-implemented inventions

Publications and memberships


“Design and Performance of Semiconductor Detectors with Integrated Amplification and Charge Storage Capability”, Nucl. Instr. and Meth. A305 (1991) 517…

“Study of a DEPJFET pixel matrix with continuous clear mechanism”, Nucl. Instr. and Meth. A392 (1997) 254…

“First Measurements on a DEPFET Active Pixel Matrix for X-Ray Imaging Spectroscopy”, Proc. SPIE Vol. 4013 (2000), p. 605-611



Chamber of Patent Attorneys
epi – European Patent Institute
FICPI – International Federation of Intellectual Property Attorneys
VPP – Association of Intellectual Property Experts
AIPPI – International Association for the Protection of Intellectual Property