All team members


Dr Holger Glas


German Patent Attorney

European Patent Attorney


As a German patent attorney and professional representative before the European Patent Office, Holger Glas supports inventors and companies from the chemical, chemical engineering and pharmaceutical sectors in securing patent and utility model protection for their products and processes. A large number of Holger’s cases relate to opposition proceedings before the European Patent Office. He also prepares freedom-to-operate and validity opinions on behalf of clients, advises in patent conflict situations and assists German and international clients with the development of global patent strategies.

Since 2005
Partner, shareholder and managing director at Maiwald
Since 2002
Patent attorney at Maiwald
Patent attorney trainee at Maiwald

Master’s degree in „European Intellectual Property Law“ (LL.M.) from the University of Hagen
Admitted to practice as European patent attorney
Admitted to practice as German patent attorney
Studied law for patent attorneys at the University of Hagen
Doctoral degree in the field of organometallic chemistry from the Technical University of Munich
Studied chemistry at the Technical 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 Handelsblatt | Best Lawyers "Germany's Best Lawyers" 2020, 2021
  • Recommended in Chambers Europe Guide 2017
  • Recommended in MIP IP Stars 2014

  • Patent Claim Interpretation – Global Edition, Manzo (ed.), Thomson Reuters, ann. (together with Edward D. Manzo et al.)

  • German Patent Attorney Association
  • epi

  • German
  • English