LO IUS SUPERVENIENS TRA ESIGENZE DI TUTELA DEL LEGITTIMO AFFIDAMENTO E LEGALITÀ DELL¿AZIONE AMMINISTRATIVA, NELLA DIMENSIONE ITALIANA, FRANCESE ED EUROPEA

The dissertation examines the impact of new legislation that negatively affects the asset of private interests, carried out by administrative action. The comparative analysis focuses on the Italian and French legal systems, as they share a similar legal tradition in the field of administrative law. The work is aimed at verifying, through the study of the most recent case law, the existence of a position of legitimate expectation recognised to the administrated subjects with respect to the modification of laws over time, under two different aspects: within a proceedings, as well as during on-going situation created by provisions of long-lasting bindingness. The work analyses the available means of protection and it verifies the current position on the matter in the aforementioned normative systems. In the last part, the work studies the inputs on the subject matter given by the decisions of the European Court of Justice and the European Court of Human Rights, taking the analysis to a supra-national level; it also highlights the influence exercised by the German law on the issue of legitimate expectation, as the German system represent the principal referring model.