Mariska Kool
Senior associate - Attorney at law

Mariska Kool

Mariska Kool, attorney at law, is a member of the Litigation & Risk Management Practice Group in our Rotterdam office. She focuses on contract law and has specific expertise regarding IT and other Technology related contracts.

About Mariska Kool

Mariska advises, negotiates and litigates on implementations, development, transactions and disputes regarding Tech contracts.

Mariska often works on complex cases where she negotiates side by side with clients regarding new software or hardware implementations (including f.i. medical equipment), and is a practical advisor when Tech projects threaten to fail. Mariska has broad experience in the areas of outsourcing, Cloud, SaaS, software implementation, software and hardware maintenance and software licenses. Mariska also advises and litigates on cases involving intellectual property rights (including copyrights), online reputation and unlawful publications.

Clients that Mariska works for include a variety of health care institutions, international traders, real estate investors and financial institutions.

Mariska has substantial experience litigating cases before relevant Dutch courts, including summary judges, district courts and courts of appeal. In addition, Mariska has developed a program for preparing/training witnesses for court, arbitral tribunals and political tribunals. Mariska regularly teaches on legal subjects relating to her practice.

What others say about Mariska

Legal 500: "Mariska Kool has exceptional analytical skills and is a creative thinker and is a very strong mediator." (2020)

Zorgvisie: Mariska Kool was ranked as a top 5 IT lawyer within the Health sector by her peers (in the listings made by Zorgvisie (leading magazine and website for the Dutch healthcare sector)). (2018)


  • Dutch Bar Association
  • International Technology Law Association (ITechLaw)
  • VIRA (Vereniging Informaticarecht Advocaten – Association IT-law lawyers)
  • NVvIR (Nederlandse Vereniging voor ICT recht – Dutch association for IT law)
  • Sourcing Nederland


  • IT Law, Grotius Academy (University of Nijmegen), 2017 (cum laude)
  • Dutch Law, Erasmus University Rotterdam, 2007
  • History, Erasmus University Rotterdam, 2005


  • Dutch
  • English

T: +31 10 224 62 56
M: +31 6 51 21 34 57