Paul De Visscher, M. Keywords: Legal persons | Diplomatic protection | Mots clefs: Personnes morales | Protection de nationaux à l étranger | ABSTRACT Paul de Visscher begins his course with a presentation of general concepts of legal personality. He describes the recent changes (in 1961) in the field of diplomatic protection (limitation of diplomatic protection by the tendency to recognize the individual as a direct subject of the international legal system, functional protection exercised by international organizatio…