Stephan Kratz

Physicist ∙ Dr. rer. nat.
German Patent Attorney
European Patent and Trademark Attorney
Junior Partner




2019  Junior Partner at Müller Schupfner & Partner
2018  Admission as professional representative before the European Union Intellectual Property Office (EUIPO)
2018  Admission as German and European Patent Attorney
2013  Ph.D. in physics at the Rheinische Friedrich-Wilhelms-Universität Bonn
2007  graduated in physics (Dipl.-Phys.) at the Rheinische Friedrich-Wilhelms-Universität Bonn


Stephan’s daily business is accompaning inventions from their beginnings to a possible litigation as well as avoiding conflicts with property rights of competitors.

He studied physics and dedicated his PhD theses to the construction of a laser system having a CPA-amplifier and time resolved spectoscopy.

Technical Areas

  • Optics
  • Plant engineering
  • Printed circuit boards
  • Automotive
  • Forming and molding technologies
  • Mass production
  • Spectroscopy
  • Medical products
  • Satellite technology

Legal Expertise

  • Perfoming prior art searches and montitoring property rights of competitors
  • Managing patent portfolios
  • Drafting patent applications and utility models
  • Opposition and appeal procedings
  • Infringment and nuility actions
  • Performing infringment analysis and validity options
  • Identifying circumvent solutions
  • Conducting workshops


  • FICPIFédération Internationale des Conseils en Propriété Intellectuelle
  • EPIEuropean Patent Institute