On November 11-12, 2010 Jarosław Sroczyński participated in the international conference in Madrid: “Reviewing Vertical Restraints in Europe: Reform, Key Issues and National Enforcement”. The conference was devoted to various aspects of vertical arrangements, in connection with the entry into force as of June 1, 2010 of the new block exemption Regulation No. 330/2010 and the Guidelines of the European Commission. The conference was organized at the University of San Pablo in Madrid, by the Centre of Competition Policy of the Institute of European Studies. The participants of the conference were representatives of the European Commission, national regulatory authorities, academia, businesses and legal practice. During the conference, Jarosław Sroczyński presented a lecture entitled “Enforcement of Vertical Restraints in Poland (overview and specific issues)”.