Sebastian Lohsse is Chair of Roman Law and Comparative Legal History, Civil Law and European Private Law at University of Münster, Germany. Reiner Schulze is Director of the Center for European Private Law at University of Münster, Germany. Dirk Staudenmayer is Head of Unit for Contract Law of the Directorate-General Justice and Consumers at the European Commission at the Centre on Regulation in Europe asbl (CERRE), Belgium.