University Paris-Panthéon-Assas

Bruno Deffains

University Paris-Panthéon-Assas

Bruno Deffains is Professor at the University Paris 2 and Member of the Institut Universitaire de France. In the past, professor Deffains taught amongst others at Liverpool, Montreal, Berlin, Lausanne, the Columbia Law School and the Yale Law School. He has strong research achievements in the field of Law and Economics. Especially, he has promoted the economic evaluation of legal systems with a special interest for litigation procedures (mediation and arbitration), private law (contracts and Liability) and corporate law. His current research programs are devoted to the interaction between moral/social norms and legal rules and to the evaluation of legal uncertainty in common and civil law countries (Project : Index of Legal Certainty). He is member of the Commission d’Examens des Pratiques Commerciales and he was the president of the European Law and Economics Association from 2011 to 2014.

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University Paris-Panthéon-Assas
Tera Consultants (Paris)
University Paris-Panthéon-Assas
University Paris-Panthéon-Assas
University Paris-Panthéon-Assas


176 Bulletin

Bruno Deffains The Paris Court of Appeal hands down an important judgment in a follow-on damages claim for the consequences of abusive practices in the telecommunications market (Orange / Digicel)


On June 17, 2020, the Paris Court of Appeal handed down an important decision in the Digicel / Orange case. Digicel has indeed initiated an action to be compensated for the consequences of the abusive practices implemented in the Antilles-Guyana zone by Orange-Caraïbe and Orange between 2000 and (...)

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Béatrice Charlier-Bonatti, Bruno Deffains, Charles Meteaut, Daniele Calisti, Jacques Derenne, Laurent Benzoni, Suzanne Carval What compensation? Which responsibles parties? (Antitrust damages actions in France and in Europe : Current situation and upcoming changements, Paris, 13 May 2014)


The final panel of the conference held in Paris the 13th May 2014 about the reparation of competitive damages was devoted to the civil liability of the infringers. This panel helped to address various sensitive aspects of a question submitted to several provisions of the directive proposition. (...)

Bruno Deffains, Bruno Lasserre, Elisabeth Lamure, Lowri Evans, Marie-Dominique Hagelsteen Conference - Public authorities : Mitigating competition concerns and other public interests for MPs (Round table I - Paris, 7 May 2010)


Marie-Dominique HAGELSTEEN The first round table was entitled "Competition policy and other public policies: how to reconcile them in the making of laws? "addresses an original and relatively undeveloped theme, that of the relationship between competition policy and other public policies. (...)

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