Stephen Mavroghenis

Stephen Mavroghenis is a partner in the Antitrust practice at Goodwin. He joined Goodwin in 2025.

Stephen has spent over two decades advising on all aspects of EU and UK competition law, and related commercial strategy. Stephen’s practice focuses on EU and UK competition law, in addition to EU regulatory and intellectual property law. He is regularly instructed to advise on complex cross border merger control matters, global cartels and behavioral antitrust investigations. 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, as well as the UK Competition and Markets Authority. He also appears before the national competition authorities globally.

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 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.