LAWYER PROFILE

John F O'Sullivan

USA 2026

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Quinn Emanuel Urquhart & Sullivan, LLP
 Quinn Emanuel Urquhart & Sullivan, LLP

Ranked in 1 practice area

Litigation: General Commercial

Florida

12 years ranked

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Litigation: General Commercial - Florida

Band 2
Individual Editorial
John O'Sullivan is an experienced commercial litigator with notable skill representing clients at trial. His clients hail from a broad range of sectors, including finance and technology.
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Strengths

Provided by Chambers

  • When it gets complex, John jumps in.

    Litigation: General CommercialChambers Guide to the USA

  • John is a smart, determined and passionate lawyer. He is excellent.

    Litigation: General CommercialChambers Guide to the USA

  • John possesses a wealth of knowledge about our industry and an excellent track record of handling complex matters.

    Litigation: General CommercialChambers Guide to the USA

Ranked Individuals at Quinn Emanuel Urquhart & Sullivan, LLP (75)

California

Delaware

District of Columbia

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  • Profile image of Robert A Zink
    Robert A Zink

    Litigation: White-Collar Crime & Government Investigations

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Florida

Georgia

Illinois

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