Full Professor (“Catedrático”) emeritus at the University of Lisbon School of Law. He teaches European Law, Public International Law and Administrative Law. Jean Monnet Chair ad personam in European Constitutional Law.He taught as Visiting Professor at the Robert Schuman University, Strasbourg. He was Research Fellow at the Max Planck Institute for Public Comparative Law and International Law, Heidelberg. Advocate, Counsel and Arbitrator ICSID (World Bank), ICC and WTO. Author of more than 180 publications. His main publications: Manual de Direito Internacional Público, co-author: A. Gonçalves Pereira, 3rd. ed., Coimbra, Almedina, 1993: Droit de l’Union eueopéenne – Droit constitutionnel et administratif de l’Union européenne, Bruxelles, Bruylant, 2008; Direito da União Europeia – Direito constitucional e administrativo da União europeia, 3rd. ed., Coimbra, Almedina, 2013; Contencioso da União Europeia, co-author: Ana Maria Martins, 2nd. ed., Coimbra, Almedina, 2007; A proteção da propriedade privada pelo Direito Internacional Público (with an english summary), Coimbra, Almedina, 1998.