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Marianne Meijssen specializes in complex multi-jurisdictional damages litigation, and in antitrust damages claims in particular. Over the years, she has gained broad experience representing both claimants and defendants in private as well as administrative proceedings. She frequently draws from this experience when working with clients to set up and litigate their case.


  • Represented defendants in several leading Dutch follow-on damages cases (Elevators & Escalators, Pre-stressing Steel, Sodium Chloride, and Air Cargo). This has granted her valuable insights in the strategies employed by defendants, which she now uses to help plaintiffs recover damages they have suffered as effectively and efficiently as possible.
  • Acted for plaintiffs in a variety of stand-alone competition law cases, a number of which dealt with abuse of a dominant position or vertical infringements.
  • Defended numerous undertakings during investigations and infringement proceedings of the European Commission and the Netherlands Authority for Consumers and Markets, as well as subsequent appeal proceedings with European or national courts.


  • Admitted to practice law in The Netherlands


  • Utrecht University (LL.M, 2012)
  • University of Amsterdam (LL.M, 2012)
  • Maastricht University (LL.B, 2010)

On the basis of the registration it is required  to obtain ten training credits per calendar year in each registered principal legal practice area in accordance with the standards set by the Netherlands Bar.

  • Competition law (Economisch ordeningsrecht, subrechtsgebied mededingingsrecht)


  • Staff writer at the Dutch competition law journal Markt & Mededinging.
  • Frequently publishes in other journals about both civil law and antitrust issues.
  • Teaches competition law courses to peers, companies and students, amongst others at Utrecht University and Academie voor de Rechtspraktijk.