Emmanuel Piwnica is a graduate of the University of Paris I and of the Paris Institute of Political Studies. He is a barrister at the Conseil d’Etat and the Cour de cassation, after having been a member of the Paris Bar.
He was the President of the Bar Association at the Conseil d’Etat and the Cour de cassation and President of the Société de législation comparé [Society of Comparative Law].
He is the author of numerous articles devoted inter alia to fundamental rights and more particularly to the priority issue of constitutionality, for example “Le changement de culture opéré par l’arrivée de la question prioritaire de constitutionnalité” [The change in culture brought about by the arrival of the priority issue of constitutionality ] in Nouveaux cahiers du Conseil constitutionnel, January 2018 and “A propos du principe de proportionnalité” [On the principle of proportionality] in La scène juridique : harmonies en mouvement, Mélanges en l’honneur de Bernard Stirn, Dalloz, 2019. Emmanuel Piwnica has taught at the Institut de formation et de recherche des avocats [Lawyers’ Training and Research Institute ] at the Conseil d’Etat and the Cour de cassation in Paris I, and regularly participates in training courses organised at the Ecole nationale de la magistrature [National School of Magistracy]. He was a member of the examination board for the certificate of aptitude for the legal profession at the Conseil d’Etat and the Cour de cassation and a member of the editorial boards of Revue internationale de droit comparé and Justice et cassation, journals for lawyers at the Conseil d’Etat and the Cour de cassation.
He represents public and private individuals before French courts ,notably the Conseil Constitutionnel, the Conseil d’Etat [particulary in summary proceedings], the Cour de cassation, and the Cour des comptes and the Cour de discipline budgétaire et financière, in private, public and criminal law, international (Court of Justice of the European Union, European Court of Human Rights) and foreign courts ( Cour de cassation of Luxembourg, Supreme Court and Court of Revision of the Principality of Monaco) and also acts as counsel to them.