Stephen Mavroghenis

Quinn Emanuel Urquhart & Sullivan (Brussels)
Lawyer (Partner)

Stephen Mavroghenis is a partner in Quinn Emanuel’s Brussels office. He was previously head of Shearman & Sterling’s Brussels office and Co-head of its Global Antitrust Group. His practice focuses on competition law and policy. Stephen’s practice focuses on EU and UK competition law, in addition to EU regulatory and intellectual property law. Stephen has extensive experience in the aviation, chemicals, energy, high-tech and information technology, pharmaceuticals and medical devices, manufacturing, and media and entertainment industries. He regularly appears in proceedings before the European Commission and the European Courts in Luxembourg. He also appears before the national competition authorities of several member states. Stephen regularly advises multinational corporations on international mergers, acquisitions, joint ventures and corporate takeovers and defends clients against allegations of cartel participation and abuses of dominance, including issues relating to refusals to deal/license, intellectual property rights, rebates, predatory and excessive pricing. Stephen also regularly counsels clients on a broad variety of business practices including licensing and supply agreements, distribution, agency and the establishment and maintenance of compliance programs. Stephen has published widely on competition issues and is a contributor to multiple legal publications, and is a frequent speaker on competition law and policy. Stephen is consistently ranked among leading antitrust specialists in peer review rankings and is named as a leading competition lawyer by Global Competition Review, Chambers, Legal 500, and the International Who’s Who of Competition Lawyers. Stephen was also named in 2012 as one of the Global Competition Review’s “40 under 40” of the world’s brightest young antitrust lawyers and has been recognized by Chambers Global as ‘one of the best lawyers of the younger generation’.


Linked authors

Shearman & Sterling (Brussels)
Shearman & Sterling (London)
Reed Smith (Brussels)
Office of the New York State Attorney General (New York)
Winston & Strawn (Washington)
Quinn Emanuel Urquhart & Sullivan (Brussels)
Quinn Emanuel Urquhart & Sullivan (Brussels)
Wiggin (London)


4750 Bulletin

Collette Rawnsley, Geert Goeteyn, Stephen Mavroghenis The EU General Court annuls the EU Commission’s decision fining a number of cargo airlines for a price fixing cartel (Airfreight Cartel)


The General Court annulled the airfreight decision adopted in November 2010 by which the European Commission fined a number of air freight carriers EUR 799 million for a price fixing cartel. According to the Court, the grounds of the decision and the operative part of the decision were (...)

Collette Rawnsley, Geert Goeteyn, Stephen Mavroghenis, Trevor Soames The EU Court of Justice confirms that consulting firms may be held liable and fined for cartel facilitation (AC‑Treuhand)


The Court of Justice has confirmed that consultancy firms may be held liable and fined for cartel infringements where they contribute to the implementation and continuation of cartels even if they are not active on the affected market(s). Background In 2009, the Commission fined a number of (...)

Miguel Rato, Stephen Mavroghenis, Trevor Soames The EU Court of Justice rules on whether a retroactive loyalty rebates scheme is liable to have an exclusionary effect (Post Danmark II)


The EU Court of Justice has handed down its much-awaited preliminary ruling in Post Danmark II . This ruling marks an ‘evolution’ rather than a ‘revolution’ in the assessment of rebates under Article 102 TFEU. While regrettably unclear in certain passages, some aspects of the Court of Justice’s (...)

Beau W. Buffier, Heather Lamberg Kafele, Stephen Mavroghenis The US Court of Appeals for the Seventh Circuit rules that cellphones manufacturer cannot recover overcharges to its non-U.S. subsidiaries that purchased price-fixed LCD panels abroad (Motorola / AU Optronics)


The Seventh Circuit Court of Appeals ruled that Motorola cannot recover overcharges to its non-U.S. subsidiaries that purchased price-fixed LCD panels abroad, even though finished cellphones incorporating those panels were ultimately sold in the United States. The Court held that (...)

Geert Goeteyn, James Webber, Stephen Mavroghenis The German Supreme Court rejects an appeal against an order from a Lower Court awarding damages because of losses suffered due to an anticompetitive clause in an agreement (Dornbracht)


The luxury bathroom fittings manufacturer Dornbracht has lost its appeal to the German Supreme Court against an order from a lower court awarding damages of €820,000 to a retailer because of losses suffered due to an anticompetitive clause in Dornbracht’s distribution agreements. The case is (...)

Adam S. Hakki, Beau W. Buffier, Brian G. Burke, Heather Lamberg Kafele, Jerome S. Fortinsky, Richard F. Schwed, Stephen Fishbein, Stephen Mavroghenis The US Eastern District of New York Federal Court awards plaintiffs $162 million in first-ever civil price-fixing verdict against Chinese companies (Vitamin C Cartel)


On March 14, 2013, a federal jury in Brooklyn, New York returned a verdict in In re Vitamin C Antitrust Litigation, No. 1:06-md-1738 (E.D.N.Y.), finding that two Chinese companies had unlawfully fixed prices and controlled the supply of vitamin C exports from China to the United States. (...)


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