Department profile
Jones Day

Antitrust

USA Guide 2026 : California

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Jones Day

Rankings

Chambers Review

Provided by Chambers

Antitrust - California

Band 2

What the Team is Known For
Jones Day houses an accomplished California antitrust team that employs its global reach to tackle complex and multijurisdictional antitrust issues. The team regularly acts on merger clearance matters for major transactions before global competition authorities. The firm also advises clients during criminal investigations and litigation relating to price fixing, monopolization and other anticompetitive behavior. Its client base includes leading healthcare providers, manufacturers and technology companies.
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Work Highlights

Provided by Chambers

  • Jones Day represented Google in a Ninth Circuit appeal of an order dismissing an antitrust class action against the company.

Strengths

Provided by Chambers

  • The team at Jones Day are very good at curating the info we need so we don't get a 20-page memo with lots of footnotes; we get what we need to know how to make good decisions.

    Antitrust respondentUSA

  • Jones Day do an excellent job of briefing the complex issues in an accessible way.

    Antitrust respondentUSA

Notable Practitioners

Provided by Chambers

  • Jeffrey A LeVee
    Jeffrey A LeVee

    Jeffrey A LeVee

    Jeffrey LeVee is an accomplished antitrust litigator who acts for healthcare, pharmaceutical and technology companies.
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  • David C Kiernan
    David C Kiernan

    David C Kiernan

    David Kiernan is an experienced antitrust practitioner who frequently acts on large-scale class actions. Among his clients he can count major corporations in technology, healthcare, and gas and oil.

    • David is an extraordinarily well seasoned trial litigator who is outstanding at simplifying complex litigation.

      Antitrust respondentUSA

    • David is extraordinary, he is tough but extremely judicious and pragmatic.

      Antitrust respondentUSA
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  • Lin W Kahn
    Lin W Kahn

    Lin W Kahn

    Lin Kahn is an up-and-comer noted for her handling of agency investigations and significant litigation. She is particularly well placed to lead clients through antitrust matters in the tech sector.

    • Lin is a rising star. She knows how agencies think and is able to provide this perspective to her clients which makes her guidance sharper.

      Antitrust respondentUSA

    • Lin does an excellent job of briefing the complex issues in an accessible way.

      Antitrust respondentUSA
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  • Margaret A Ward
    Margaret A Ward

    Margaret A Ward

    Margaret Ward acts for clients in merger clearance proceedings, regularly presenting before government competition agencies. She also handles antitrust compliance counseling and conducts investigations. Her clients are drawn from the IT, finance and healthcare industries.

    • Margaret is savvy, observant and picks up a lot of subtlety quickly.

      Antitrust respondentUSA

    • Margaret is a good issue-spotter and she has got a business-savvy approach.

      Antitrust respondentUSA
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Ranked Individuals at Jones Day (4)

California

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