Dr. Cornelius FABER, LL.M.


  • Patent Attorneys' Association (PAK)
  • Institute of Professional Representatives before the European Patent Office (EPI)
  • Federal Association of German Patent Attorneys (BDP)
  • International Association for the Protection of Industrial Property (AIPPI)


  • European Patent Attorney
  • European Trademark and Design Attorney
  • German Patent Attorney
  • Doctorate in Engineering (Univ.) - Mechanical Engineering
  • Master of Law (LL.M.) in European Intellectual Property Law

Dr. FABER advises national and international clients in all proceedings concerning the application, defence and enforcement of patents, utility models, trade marks and design rights. His technical focus is on mechanical engineering and process engineering. Furthermore, he supports and advises clients in questions concerning employee inventions and in the development of effective filing strategies.

After his studies in general mechanical engineering with a specialisation in process engineering at the Technical University of Munich with a focus on bioprocess engineering, he completed his doctorate in the field of industrial protein crystallisation at the Technical University of Denmark and the University of Delaware, USA, in 2006.

He then completed his patent law training at a renowned patent and law firm in Bremen, at the Patent Litigation Chamber of the Mannheim District Court, as well as at the German Patent and Trademark Office and the Federal Patent Court, accompanied by a general law course "Law for Patent Attorneys" at the Open University of Hagen. In 2009, he joined a patent law firm in Wiesbaden, of which he became a partner in 2013. He also completed a Master's degree (LL.M.) at the Distance Learning University of Hagen in "European Intellectual Property Law", which he completed in the same year. In 2016, he joined a patent law firm in southwest Germany, of which he became a partner in 2020.

Since the beginning of 2022, Dr. FABER has continued the firm together with patent attorney Dr. BAYER under the name WALTHER PATENT.