A landmark decision was handed down by the Amsterdam District Court on 23 June 2010 regarding the international collective settlement of mass claims. The Dutch court recognised the judgment by a U.S. court approving a worldwide class action settlement under U.S. law, thereby barring any class members who did not opt out from ever bringing a claim against the defendants again anywhere in the world. The principal reason for recognition was that the Netherlands itself has  similar system for collective settlements. The Dutch system is unique in Europe, and makes the Netherlands an attractive jurisdiction for settling international mass claims.