The aim of the study is to discuss the impact of bilateral international treaties concluded by EU Member States with third countries on jurisdiction and recognition of judgments in matters of succession from Polish perspective. The author discusses the main problems in the interpretation of Article 75 of Regulation 650/2012 and the possible conflict of this solution with the Treaty on the Functioning of the EU. The article indicates also practical problems related to the collision of bilateral treaties and Regulation No 650/2012 regarding, for example, the possibility of concluding choice-of-court agreements, recognition of foreign judgments in matters of succession and the possibility of issuing the European Certificates of Succession.