Lawrence Buterman, a nationally recognized first-chair antitrust lawyer formerly with the Department of Justice, represents clients in high-stakes antitrust litigations and government investigations.

Mr. Buterman regularly represents clients in matters involving:

  • Strategic business-to-business litigation
  • Civil and criminal price-fixing accusations
  • Monopolization claims
  • Merger challenges
  • Class actions

He has successfully tried cases to verdict in federal and state courts throughout the country, and also regularly appears before the Antitrust Division at the DOJ, the Federal Trade Commission, and state attorneys general. With keen insight into the litigation risks of business decisions, he also provides strategic advice to multinational companies and business consortia in a wide range of industries.

Mr. Buterman’s track record of victories reflects his experience serving several years in the DOJ, as a trial attorney in the Networks and Technology Enforcement Section of the Antitrust Division. In that capacity, he analyzed dozens of merger and conduct matters in the high technology and financial services industries and developed a deep understanding of the government’s priorities and practices related to antitrust enforcement. Mr. Buterman also litigated merger and conduct matters on behalf of the United States, achievements for which he twice received the Antitrust Division’s Award of Distinction. He is also regularly recognized by leading legal publications, including Chambers, The Legal 500, and Lawdragon.

He currently serves as the chair of the Monopolization and Big Tech Committee of the Antitrust Section of the New York State Bar Association.

Mr. Buterman clerked for Judge Joel M. Flaum, then chief Judge of the United States Court of Appeals for the Seventh Circuit.

Mr. Buterman’s experience includes representing:

Antitrust Litigation Defense

  • An international financial institution in class actions alleging group boycotts and conspiracies to fix prices of financial derivative instruments
  • A major United States sports federation in its successful defense against a preliminary injunction challenge to its rulemaking authority brought by one of its member leagues
  • A global window and door manufacturer before the DOJ and in private litigation stemming from the company’s acquisition of a competitor
  • A global glass manufacturer in a class action alleging participation in a conspiracy to fix prices of flat glass*
  • A multinational technology corporation in a lawsuit arising out of the company’s implementation of a standard essential patent in its products*
  • An international wheat company in a class action alleging price-fixing and RICO claims arising out of the company’s participation in the Oil-for-Food Program*

Government Investigations

  • A global entertainment company in connection with a DOJ investigation into potential consent decree violations
  • A global insurance company in connection with a DOJ investigation into potential price-fixing
  • A foreign auto parts manufacturer in class actions and related governmental investigations centering on allegations of the company’s participation in global price-fixing conspiracies
  • A global silicon metal and specialty alloys producer before the DOJ in connection with the company’s merger with a European competitor
  • A leading aerospace component manufacturer in connection with a DOJ merger investigation

Department of Justice Litigation

  • The United States in a successful challenge of an alleged conspiracy against the publisher of e-books*
  • The United States at trial in its successful challenge to H&R Block’s acquisition of a key electronic tax preparation competitor*
  • The United States in its successful efforts to block AT&T’s acquisition of T-Mobile*
  • The United States in its successful efforts to unwind an acquisition by Dean Foods of Foremost Farms*

*Matter handled prior to joining Latham

Bar Qualification

  • District of Columbia
  • New York


  • JD, Columbia University School of Law, 2000
    Harlan Fiske Stone Scholar, Editor, Columbia Law Review
  • BA, Johns Hopkins University, 1997
    Phi Beta Kappa