Claude Debussylaan 80

1082 MD, Netherlands


Patent star 2022




Practice areas:

Patent litigation
Trade secrets/confidential information

Industry sectors:

Computer technology & services
Oil & gas

The core of Gertjan’s practice is patent law, where his background in science serves him well. His practice spans all fields of technology, including chemical, electrical, mechanical, computer and pharmaceutical technology.

Gertjan advises and litigates for numerous national and international companies. Most of his work is cross-border in nature, and he has extensive experience in conducting and coordinating multi-jurisdictional litigation.

Besides patent litigation, Gertjan also advises on licensing, IP strategy and IP structuring in contract research and joint R&D (both private/private and public/private).

Gertjan lectures on patent law at universities and to IP practitioners-in-training, and regularly publishes on IP-related matters. Gertjan is an active member of several national and international professional associations including AIPPI, EPLAW and LES. Gertjan is Chair of AIPPI’s Special Committee on Standards and Patents.

Gertjan studied both law and physics at Utrecht University, and is a Fulbright alumnus of Franklin Pierce Law Center (currently the University of New Hampshire). In 1995, he joined De Brauw Blackstone Westbroek and was admitted to the bar. He has been a partner at De Brauw since 2004.

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Year Joined Firm: 1995


  • Utrecht University
  • Fulbright alumnus of Franklin Pierce Law Center (currently the University of New Hampshire)

Network Memberships:

  • AIPPI (Chair of AIPPI's Special Committee on Standards and Patents)
  • LES


Last updated 19th March 2021