Some of the most important international specialists will be the speakers of the conference: R. Alexy, J.C. Bayón, B. Bix, E. Bulygin, B. Celano, J. Coleman, R. Guastini, B. Leiter, J.L. Rodríguez, F. Schauer, S. Shapiro, W. Waluchow. Our objective is to offer an event of great importance in the legal-philosophical debate that will gather and try to bridge different legal traditions.