Macchi di Cellere Gangemi (London)

Stefano Macchi di Cellere

Macchi di Cellere Gangemi (London)
Lawyer (Partner)

Stefano Macchi di Cellere practices cross-border competition law, acting in merger and cartel cases before the EU antitrust authorities and assisting global enterprises on abuse of dominant position claims and investigations, as well as on private damages, unfair competition, and intellectual property litigation. Stefano leads the Antitrust & Competition, Technology, Media, and Telecommunications practices of Jones Day in Italy. He advises multinational groups on concentrations, joint ventures, and commercial transactions and has handled numerous acquisitions in a wide range of manufacturing businesses, from pharmaceuticals and consumer products to automotive, aerospace, and media. Stefano gained extensive experience in communications law representing international clients since the liberalization of the industry, working with operators involved in fixed, mobile, and satellite networks and services and advising corporations on radio and television broadcasting, information technology, and internet communications. Stefano is a regular author and speaker on antitrust and communications law topics and a contributor to the World Bank’s Doing Business annual reports. He is a member of the Italian Bar, the Law Society of England and Wales, the International Bar Association (Antitrust and Trade and Communications Law Committees), the American Bar Association (Section of Antitrust Law), the Inter-Pacific Bar Association (council member and chair of the Aerospace Committee, 1998-2000, vice chair, 1996-1998), and the Alumni Association of the Academy of American and International Law (deputy secretary general, 1990-1991).


2700 Bulletin

Giuseppe Mezzapesa, Stefano Macchi di Cellere The Italian Parliament gives new powers to the Italian Antitrust Authority with respect to unfair commercial practices and misleading advertising enforcement (Legislative Decrees No. 145 and 146)


On September 21, 2007, the Italian Antitrust Authority (the « Authority » or « IAA ») was given additional powers to curb unfair commercial practices and misleading advertising. The Authority has now been empowered to act ex officio without the express request of consumers and/or public entities. (...)

Alexandre G. Verheyden, Bernard Amory, Carsten Gromotke, Joe Sims, Philip A. Proger, Stefano Macchi di Cellere, Tom D. Smith The European Commission adopts a new Leniency Notice


The detection and punishment of illegal cartels are at the top of the European Commission’s enforcement agenda. In 2001, the Commission meted out record fines in cartel cases totaling $ 1.6 billion, eclipsing the U.S. single-year record of $ 1.1 billion. Historically, the Commission’s fabled « (...)

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