Van Hilten Advocaten & Mediators closes down as of November 1st

The partners of Van Hilten Advocaten & Mediators at Amsterdam and The Hague have by mutual agreement decided to end their collaboration.

Emma Kostense will continue her current practice at the law firm SmeetsGijbels in (1071 KP) Amsterdam at the Jacob Obrechtstraat 70 (see

Willem de Vries will continue his current practice at the law firm ScheerSanders Advocaten in (2585 ED) The Hague at the Nassauplein 36 (see

Margreet Ruijgrok, Monique Beijersbergen, Coen van den End, Sabrina De Jong en Zoë Vis will launch a new law firm named Silk Advocaten en Mediators. Silk Advocaten en Mediators will be located at the current address in (1075 HJ) Amsterdam at De Lairessestraat 129 and in (2596 AL) The Hague at the Zuid Hollandlaan 7 (Spaces) (see

Edith van Ruitenbeek will discontinue her law practice and will focus on other professional activities.

Raya Oranje-Jorna will launch a law firm in (2514 AB) The Hague at the Koninginnegracht 19, named Raya Jorna Advocaat en Mediator (see

van Hilten Advocaten & Mediators over ons
Margreet Ruijgrok

Margreet Ruijgrok


  • Lawyer (sworn in per February 1989)
  • Mediator


  • She completed the specialisation in inheritance law at the Law Practice Academy (Academie voor de Rechtspraktijk), 2016.
  • Trained as mediator, Association of Family Law Lawyers and Divorce Mediators (vFAS) (2012)
  • Various courses in Italian (2010 to present)
  • Specialisation family law, Association of Family Law Lawyers and Divorce Mediators (vFAS) (2006)
  • Professional education as a lawyer (1989 to 1992)
  • Studied Law at Leiden University (1982 to 1988)
  • VWO, Nederlandsch Lyceum Den Haag (final exams 1982)


  • January 2017 to present: lawyer-partner at Van Hilten Advocaten & Mediators in Amsterdam
  • January 2005 to January 2017: managing director/owner of Advocatenkantoor Ruijgrok in Amsterdam
  • 1994 to 2005: lawyer-partner at Advocatenkantoor De Lauwere Ruijgrok Advocaten in Weesp
  • 1992 to 1994: lawyer at Advocatenkantoor Fontijn in The Hague
  • 1989 to 1992: lawyer at Advocatenkantoor Duijm in Alphen aan den Rijn
  • 1988 to 1989: stewardess with KLM
  • 1982 to 1988: primary assistant to estate agent D. Egan in Wassenaar


  • Association of Family Law Lawyers and Divorce Mediators (vFAS) (1996 to present)
  • Student association Quintus in Leiden (1982 to 1988)

Secondary activities:

  • Regional coordinator Amsterdam of the Association of Family Law Lawyers and Divorce Mediators (vFAS) (2010 to present)
  • Member of the Assembly of Delegates of the Amsterdam Bar Association (2012 to present)

Playing the clarinet, Italian, cooking, running, fashion design and creation