Dr.-Ing. Klaus Castell

Managing Director

Takeover of the law firm from Mr. Liermann in 1994
Studies at the TU Munich with degree Dr.-Ing.
Management Assistant for Marketing
Scholarship at the Chair of Energy and Environmental Technology at TU Munich
Patent applications at home and abroad for a method of air pollution control
Doctorate on the subject of this invention
Training as Patent Attorney

The experience with own inventions characterizes the consultation, which apart from legal aspects never disregards the cost-benefit analysis.

  • Technical focus
  • Environmental and Optics
  • Medical technology and software inventions

Outstanding processes:

  • With the procedure GAT ./. LuK the ECJ sealed the end of cross-border patent infringement proceedings. The decision is seen as strengthening Germany as a place of jurisdiction.

Chairman of the VDI on Industrial Property Protection
Lecturer at the University of Applied Sciences, Aachen, Germany
Agency approvals:

  • before the German Patent and Trade Mark Office
  • before the European Patent Office
  • before the European Union Intellectual Property Office (EUIPO)
  • before WIPO (Geneva)
  • before the Federal Patent Court (BPatG)
  • before the Federal Supreme Court (BGH) in patent nullity matters

In shared office with
Dr. Stephan Wenzel
Dr. Ulrich Dirks
Helmut E. Kissling