Mario Siragusa

Cleary Gottlieb Steen & Hamilton (Brussels), Cleary Gottlieb Steen & Hamilton (Rome)
Lawyer (Senior Counsel)

Mario Siragusa is Senior Counsel at Cleary Gottlieb Steen & Hamilton LLP, based in the Rome and Brussels offices. He focuses on corporate and commercial matters and specializes in EU and Italian competition law as well as complex commercial litigation. He appears frequently before the European Court of Justice, the General Court of the European Union, the Directorate General for Competition of the European Commission, as well as the Italian Antitrust Authority and Italian civil and administrative courts. He lectures regularly at conferences throughout the United States and Europe and has published numerous articles in U.S. and European legal journals. He is a professor at the College of Europe in Bruges and lectures at the Catholic University in Milan. He graduated with honors from the Law School of Rome University and received a Diploma of High European Studies from the College of Europe, Bruges, and an LL.M. from Harvard Law School. He is a member of the Commission on Law and Practices Relating to Competition of the International Chamber of Commerce in Paris. Mario joined the firm in 1973, became partner in 1980, and became senior counsel in 2018.

Linked authors

European Commission (Brussels)
French State Council (Paris)
Ecole Nationale Superieure des Mines de Paris
Fréget (Paris)
ESSEC Business School (Cergy)
Deloitte (Paris)
NYU School of Law (New York)
Uber (Paris)


Mario Siragusa (Cleary Gottlieb)
Mario Siragusa 5 March 2019 Brussels


129 Bulletin

Mario Siragusa, Maurits Dolmans, Paul Gilbert, Romano F. Subiotto QC The EU Court of Justice clarifies the scope of the regulatory framework for three-party schemes but individual assessment is needed to determine whether fee caps apply (American Express / HM Treasury)


In 2015, the EU Interchange Fee Regulation (the “IFR”) introduced price caps on the interchange fees paid between banks for processing credit and debit card payments. These fee caps attempt to address concerns identified in a series of antitrust investigations into Visa and Mastercard through (...)

1654 Review

Bruno Lasserre, François Lévêque, Françoise Benhamou, Frédéric Jenny, Gildas de Muizon, Harry First, Mario Siragusa, Olivier Fréget, Thibaud Simphal Disruptive innovation, law and competition (Paris, 29 January 2016)


L’innovation déplace aujourd’hui les positions établies d’un nombre croissant d’entreprises et d’industries. Les qualificatifs ne manquent pas pour souligner la puissance de ce phénomène : innovation drastique, innovation déstabilisante, innovation perturbatrice, innovation radicale, innovation de (...)

Send a message