On March 2nd, 2007 the Portuguese Catholic University held a colloquy about the "Precautionary Measure in the New Administrative Litigation", in a joint initiative between the Faculty of Law of the Portuguese Catholic University and the Supreme Administrative Court , with the support of VdA and the participation of the VdA partner Mário Esteves Oliveira.

He contributed with a presentation about "The Interpretative and integrative afflictions of the regime of precautionary measures".

The event lasted all day with the presence of several well-known faces of the Public Law area both at international and national level.