Frits Gerritzen


Frits is Head of Amsterdam Intellectual Property. He is an experienced IP litigator, handling cases concerning the enforcement and validity of trade­marks, design rights, copyrights, patents and other intellectual property rights.

His experience includes taking fast and, when needed, pre-emptive measures against IP infringements such as obtaining ex-parte injunctions and seizure measures by the Dutch Customs Service, preventing the import of infringing products.

In addition, Frits handles IP transactions and provides advice on commercial contracts and transactions in which intellectual property rights play an important role. He has broad experience in drafting and negotiating license agreements and structuring IP portfolios.

Frits was commissioned by the Dutch Ministry of Economic Affairs to educate Dutch companies on the use and optimisation of their IP portfolios in a national three year programme. He is also one of the chief editors of the main Dutch website on IP news (

Leadership Positions And Professional Affiliations

  • Association Internationale pour la Protection de la Propriété Intellectuelle (AIPPI)
  • International Trade Mark Association (INTA)
  • Dutch Association for advertising law (VvRr) 



Admitted as advocaat, Netherlands, 2003
Registered Foreign Lawyer, England and Wales, 2021
Listed in the register of legal practice areas of the Dutch Bar Association for Intellectueel eigendomsrecht (Litigation)
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.