LAWYER PROFILE
Olivier Antoine

Olivier Antoine

USA 2026

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Ranked in 1 practice area

About

Provided by King & Spalding LLP

Practice Areas

Olivier Antoine focuses primarily on antitrust counseling for “bet the company” transactional matters, as well as high-stakes antitrust litigation and government investigations.

Olivier has extensive experience representing merging parties, or merger opponents, in transactions raising significant antitrust scrutiny before U.S. Antitrust agencies as well as foreign competition authorities. Olivier has successfully obtained merger clearances in highly contested transactions, and successfully represented merger opponents in some of the most high-profile abandoned transactions and joint ventures.

Mr. Antoine often provides “one-stop-shop” counseling on international antitrust questions requiring a bespoke analysis globally. Olivier's practice also includes civil and criminal antitrust enforcement matters and antitrust audit counseling.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Antitrust - New York

Band 4
Band 4

Individual Editorial

Olivier Antoine advises clients on the antitrust aspects of large-scale M&A. He regularly appears before US enforcement agencies and also advises clients on international authorization proceedings.

Strengths

Provided by Chambers

  • Olivier is always eager to get stuck in.

    AntitrustChambers Guide to the USA
  • Olivier is very good at translating the economic side of things into practical advice.

    AntitrustChambers Guide to the USA
  • He has a great understanding of the law and industry and has great client service skills.

    AntitrustChambers Guide to the USA

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