Within the Project of Portuguese-Brazilian Cooperation "Interconstitutionality: constitutional provisions in network-style and European integration in worldwide society" (FCT-CAPES) and Jean Monnet Chair, CEDU promoted on December 18 at 14h30 a workshop on  "Interconstitutionality and regional integration - a lusophone perspective" which took place at EDUM. Brazilian researchers such as Thiago Matsushita and Márcia Alvim (Pontifícia Universidade Católica de São Paulo, PUC-SP) and Alfredo Rangel (Universidade Federal da Paraíba, UFPB), and CEDU's researchers: Alessandra Silveira, Pedro Froufe, Mariana Canotilho, Luís do Vale, Francielle Vieira and Margarida Santos attended this workshop. Joana Whyte and Carla de Freitas presented their PhD Project.