摘要:The article presents key developments in Polish antitrust legislation and jurisprudence of 2011. Its legislative part focuses on the renewal of Polish Group Exemption Regulations for vertical agreements, specialization and R&D agreements as well as cooperation agreements in the insurance sector. Noted is also the sole amendment of the Competition Act introduced in 2011 which concerns the financial liability of the Polish competition authority. The article covers also the new Guidelines of the UOKiK President on the criteria and procedures of merger notifications. Presented in its jurisprudential part is a number of 2011 rulings, mainly those rendered by the Supreme Court and the Court of Appeals, divided according to their subject matter with respect to particular types of restrictive practices and other problems related to the decision-making process of the UOKiK President.