All team members


Dr. Berthold Lux


German Patent Attorney

European Patent Attorney

UPC Representative


Berthold advises and represents clients in the field of chemistry, including polymer and organic chemistry, pharmaceuticals, materials sciences as well as chemical process technology. A large part of his work as a patent attorney involves conducting opposition proceedings on behalf of clients as well as preparing opinions on enforceability, validity and relevance of industrial property rights.

Berthold has been working in the field of intellectual property protection since 1999. After completing his training as a patent attorney, he became co-founder of the patent attorney firm of BLCH, later incorporated into the then Maiwald Patentanwalts GmbH. Berthold has many years of experience is handling opposition proceedings before the EPA, in particular before the Appeal Boards of the EPA.

since 2010
Partner, shareholder and managing director at Maiwald
since 2007
Patent attorney at Maiwald
2006 - 2007
Patent attorney and co-founder of an IP law firm
2003 - 2006
Patent attorney at two different IP law firms
2000 - 2003
Patent attorney trainee at an IP law firm
1999 - 2000
Scientific consultant at a New York IP law firm

Admitted to practice before the UPC
Admitted to practice as European patent attorney
Admitted to practice as German patent attorney
2000 - 2003
Studied law for patent attorneys at the University of Hagen
1996 - 1999
Doctoral degree in the field of organic chemistry from the Ludwig Maximilian University of Munich
1990 - 1996
Studied chemistry and biology at the University of Bayreuth, the University of Vienna and the Ludwig Maximilian University of Munich

  • Patent prosecution and portfolio management
  • Filing strategies and drafting patent applications
  • Freedom-to-operate and validity analysis
  • Opposition and nullity proceedings
  • Patent litigation

  • Recommended in Legal 500 Deutschland 2021

  • Representation in opposition appeal proceedings at the EPO leading to the decision T 1833/14 cited in the Case Law book of the Boards of Appeal dealing the with question of operability of public prior use in the field of polymers.

  • German Patent Attorney Association
  • epi
  • VPP

  • German
  • English