Franck Régis Klein

Dipl.-Ing., Ingénieur diplômé (ECL)
German Patent Attorney, European Patent Attorney, European Trademark & Design Attorney


Franck Régis Klein's main technical areas are the following:

  • mobile communications (UMTS, LTE, LTE Advanced)
  • telecommunications (DSL, WLAN)
  • networks (segment protection, software-defined data centre, trusted computing)
  • video and audio coding (predictive coding, Blu-ray Disc)
  • LED technology, connector technology
  • electronics (voltage converters, control circuits)
  • software

His main focus is patent litigation and the enforcement of patents and utility models. His professional practise focuses in particular on advising clients in infringement proceedings and in the representation of clients in opposition and nullity proceedings before the European Patent Office and the German courts. He also has many years of experience drafting and prosecuting patent applications up to grant.

Franck Régis Klein joined Prüfer & Partner in 2016. He is a German and European patent attorney as well as a European Trademark and Design Attorney.

Prior to joining Prüfer & Partner, he spent twelve years working for a renowned patent attorneys' firm, where he was involved in ex parte and inter partes procedures and oral proceedings. In addition to his education at the Federal Patent Court, he completed postgraduate studies at the University of Strasbourg in the field of intellectual property rights. 

Franck Régis Klein also has industry experience in the field of mobile communications, he worked in research and development at Siemens Mobile, Munich.

He holds an engineering degree from the École Centrale de Lyon (ECL) and is also a graduate of the Technical University of Darmstadt (TUD) as part of a German-French double-degree programme. There he graduated as an engineer in the fields of data and communications technology.

epi - European Patent Institute
Chamber of Patent Attorneys
FICPI - International Federation of Intellectual Property Attorneys 

English, French, German   


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