Jon B. Dubrow - McDermott Will & Emery


Jon Dubrow is co-head of McDermott’s Antitrust Mergers Focus Group and is a strategic advisor serving clients across a host of inter-related antitrust issues, including mergers and acquisitions (M&A) transactions / merger clearance, counseling and litigation. Jon leads the defense of mergers, acquisitions and joint ventures before the Department of Justice, the Federal Trade Commission and other international competition authorities. He also regularly assists third parties whose interests are adversely affected by proposed transactions. Jon also is experienced in antitrust litigation. He provides counseling on distribution issues, contracting arrangements and a wide variety of other competition-related matters.

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  • Obtained regulatory clearance in multiple acquisitions for numerous clients, including Amgen, Constellation Brands, Diageo, Medtronic, Blackboard, Lockheed Martin, Martin Marietta Materials, Premier, Inc., Worthington Industries, and many private equity sponsors
  • Obtained merger clearance for Martin Marietta Materials’ $2.7 billion acquisition of Texas Industries and $1.7 billion acquisition of Bluegrass Materials
  • Obtained merger clearance for Constellation Brands’ multibillion-dollar acquisition of the Modelo beer business, including Corona® and other leading brands and divestiture of a large wine portfolio to E & J Gallo

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  • The Best Lawyers in America, Antitrust Law, 2018 to 2023
  • Washington, DC Super Lawyer, Antitrust 2013, 2015 to 2022
  • Chambers USA 2015 to 2023

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  • American Bar Association, member of Antitrust Section committees, including Health Care & Pharmaceuticals, Clayton Act, Transportation & Energy and Unilateral Conduct, and of the Public Contracts Law Section, Strategic Alliance, Subcontract and Teaming subcommittee


University of Pennsylvania Law School, JD, cum laude, Order of the Coif, 1992
University of Virginia, BA, 1988

District of Columbia