RUDN Journal of LawRUDN Journal of Law2313-23372408-9001Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)5509The sovereignty of the states-members of the European Union and the Treaty of LisbonMeshcheryakovaO MКафедра международного права; Российский университет дружбы народов; Peoples' Friendship University of Russia-Peoples' Friendship University of Russia150220082879307092016Copyright © 2016, Legal Science2016The article is devoted to the problem of the abrogation of the Treaty establishing a Constitution for Europe. Also we consider the principal causes which were the reason of such a succession of events.