Jellien Roelofs

Jellien Roelofs works as an attorney in the Gaming Practice at Kalff Katz & Franssen.  Primarily, Jellien litigates on behalf of, and advises, (international) clients in the gaming industry, whereby she mainly focuses on gaming law (including promotional games of chance), (procedural) administrative law and European law. Moreover, she is specialised in IP law (domain names, trademarks, copyright, etc.), e-commerce, advertising and information law.

Jellien obtained a Master’s degree in Information Law from the University of Amsterdam and spent a semester at the Tilburg Institute for Law, Technology & Society and another at the Universitat Autònoma de Barcelona. Subsequently, she was a student-trainee at two top-tier IP boutique firms and an IP/IT law paralegal at a full-service firm in Utrecht. Jellien often contributes to international journals covering the gambling sector.



T: +31 20-676 07 80
M: +31 6 27 88 18 08


  • Alan Littler & Jellien Roelofs, “The Netherlands: latest developments as legislative reform inches along”, Online Gambling Lawyer, December 2016, 11-14
  • Alan Littler & Jellien Roelofs, “Dutch eyeing remote regulation in 2017”, Gambling Insider, March 2016, 76
  • Justin Franssen & Jellien Roelofs, “Netherlands: Update on iGaming Bill”, iGamingBusiness, May 2015
  • Justin Franssen & Jellien Roelofs “The next steps towards modernising Dutch gaming law”, World Online Gambling Law Report, February 2015
  • Alan Littler & Jellien Roelofs, “Remote gaming bill enters the parliamentary arena despite negative Council of State advice, European Gaming Lawyer, October 2014