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Ropes & Gray LLP

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Mark Popofsky

Ropes & Gray LLP


Mark S. Popofsky, a veteran of the landmark Microsoft trial, chairs Ropes & Gray’s Antitrust Practice Group. A first-chair trial lawyer, Mark litigates antitrust, intellectual property and other complex business litigation matters. Mark’s litigation practice includes jury trials, class actions (including cartel cases), arbitrations and appeals throughout the federal and states courts. Mark regularly counsels Fortune 500 companies on the full-range of antitrust matters across numerous industries, including high technology, telecommunications, medical device, pharmaceuticals, aerospace, manufacturing, health care and consumer products. With deep and recognized experience in the intersection of intellectual property and antitrust, Mark advises leading Internet, semiconductor, hardware, software and telecommunications clients on business practices, competitor collaborations and distribution arrangements. He also represents parties in civil and criminal antitrust investigations and transactions before the U.S. Department of Justice and the Federal Trade Commission.

United States: Antitrust


Within: Cartel

Ropes & Gray LLP fields 15-plus former enforcement attorneys and federal prosecutors from bodies such as the DOJ, FTC and SEC. New York-based Michael McGovern previously acted as an assistant US attorney in the Southern District. Christopher Conniff is also based in New York. The firm’s recent work includes assisting clients with federal investigations into areas such as generic pharmaceutical drugs, financial benchmarking (including ISDAfix and Libor) and freight forwarding. Mark Popofsky heads up the antitrust practice.

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Civil litigation/class actions: defense

Within: Civil litigation/class actions: defense

Ropes & Gray LLP’s team undertakes a significant amount of work for clients in sectors such as healthcare, pharmaceuticals, telecoms and biotechnology, among others; practice head Mark Popofsky (who is located in Washington DC) and Boston-based Jane Willis are defending Hitachi-LG Data Storage against price-fixing class actions in Re Optical Disc Drives Antitrust Litigation. In addition to handling class actions, the team’s workload also includes individual actions and merger litigation. IASIS Healthcare, Cablevision Systems Corporation, Yale Medicine and Polar Air Cargo are other key clients. Chong Park, whose practice is split between the Washington DC and San Francisco offices, has nearly 25 years of litigation experience.

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Merger control

Within: Merger control

Boston-based counsel Deidre Johnson leads Ropes & Gray LLP’s merger control practice. In addition, Ruchit Patel, who is a key contact in the London office, adds UK and EU competition law expertise to the global offering. The team handles HSR filings and co-ordinates multi-jurisdictional merger clearances, and also assists clients with merger investigations and challenges. In a multifaceted transaction, which required multiple HSR filings, the team acted as antitrust counsel to Bain Capital in its acquisition of Surgery Partners from HIG Capital, and also in its acquisition of National Surgical Healthcare from Irving Place Capital. Michael McFalls and Jonathan Klarfeld, who are both based in Washington DC, are recommended individuals in the team. Mark Popofsky, whose practice is split between Washington DC and San Francisco, is overall head of the antitrust group.

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