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Arnd Ziebell

Patent Attorney | European Patent Attorney
UPC Representative

Partner since 2008

Bleichstrasse 14
D-40211 Duesseldorf

Phone +49 211 90490-0
Fax +49 211 90490-49


Detailed profile

As a patent attorney at COHAUSZ & FLORACK, Arnd Ziebell advises medium-sized companies and corporate groups, especially in the fields of renewable energies, metal production and metal processing. In close cooperation with the development departments of his clients, he deals with the drafting and prosecution of patent applications. Complex opposition, litigation and nullity proceeding are also part of his field of activity. In addition, he advises companies on patent infringement issues of all kinds and assesses patents in international license pools for video compression and optical media (e.g. MPEG, DVD and BD technology).

After studying physics at RWTH Aachen University, he headed the development of a medium-sized light-emitting diode production facility. In 2001 he began his training as a patent attorney at COHAUSZ & FLORACK. Since 2004 he has been admitted as a German patent attorney and as a representative before the European Patent Office and the European Union Intellectual Property Office (EUIPO). He joined COHAUSZ & FLORACK as a patent attorney in 2005 and became a partner in the firm in 2008.

Arnd Ziebell speaks German, English and French.


  • Legal 500 EMEA 2024
  • Legal 500 Deutschland 2024
  • Best Lawyers 2024
  • IAM Patent 1000 2023
    “Before becoming a patent attorney, Arnd Ziebell worked as a project manager of a medium-sized light-emitting diode company. This experience has given him both a solid grasp of technical specifications and also the ability to work in close cooperation with the development departments of his clients.”
  • Legal 500 EMEA 2023
  • Legal 500 Deutschland 2023
  • Best Lawyers 2023
  • Legal 500 Deutschland 2022