Wolfgang Weiß is Professor of Public Law, European Law and Public International Law and holds a Chair at the German University of Administrative Sciences Speyer. His research interests pertain to EU and International Economic Law.Albrecht von Graevenitz is Professor of Civil Law at the Federal University of Applied Administrative Sciences in Mannheim. His research areas of interest include public procurement and competition law.Ulrich Soltész is a partner of the Law firm Gleiss Lutz based in Brussels. He advises clients on European competition and state aid law. He represents clients before the European Commission and national competition authorities as well as before the EU Courts.