Michael Weiner

Dechert LLP

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Admitted Jurisdictions

New York


Michael L. Weiner, Co-Leader of the antitrust/competition practice, provides strategic advice, resolves government investigations and effectively litigates for clients with antitrust issues in a broad range of industries. He has significant experience in the telecommunications and technology industries, having recently represented Yahoo!, Inc. in its joint venture with Microsoft, Inc. and its proposed distribution relationship with Google, Travelport Inc. in its acquisition of Worldspan LP and two regional wireless telecom providers in their acquisitions by AT&T, Inc. and Verizon Wireless, respectively.


In his litigation work, Mr. Weiner has handled price-fixing and other antitrust class actions in a variety of industries, including insurance (AXIS Specialty Insurance Company and AXIS Surplus Insurance Company), real estate brokerage (Realogy Corp.), art auctions (Christie’s, Inc.) and magnesite (China Minmetals Corporation and China National Minerals Co., Ltd).


Mr. Weiner has been recognized for his work by legal referral guide Chambers USA, where he was “praised by commentators who note that ‘he is extremely knowledgeable on substantive antitrust law, and better yet, he’s easy to work with.’” Chambers USA also wrote that Mr. Weiner has won “particular acclaim” for his “M&A expertise” and is also noted for his “concise and excellent writing skills.” He has been named a national and New York “litigation star” in Benchmark Litigation, “recommended” in Legal 500, and listed in Chambers Global, Who’s Who Legal, International Who’s Who of Competition Lawyers and Global Counsel Handbooks’ Competition Law as well as in The Best Lawyers in America. He was also featured in Global Competition Review’s “45 Under 45 Survey of International Competition Lawyers.” 


He is a frequent speaker and author on a wide range of antitrust/competition issues and currently serves on the editorial board of World Competition Law and Economics Review. He is also the former editorial chair of ANTITRUST magazine (1994-1998), as well as a former Council Member and Officer of the ABA’s Antitrust Section.



  • University of Pennsylvania
    • B.A., 1976, cum laude 
  • Georgetown University Law Center
    • J.D., 1980, magna cum laude

    Bar Admissions/Qualifications

    • New York


    • Law360 Competition Editorial Advisory Board Member

Jurisdictions Admitted to Practice

  • New York

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