LAWYER PROFILE
Stephen A. Broome

Stephen A. Broome

Global 2026

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Ranked in 1 practice area

About

Provided by Quinn Emanuel Urquhart & Sullivan, LLP

Practice Areas

Stephen Broome is a partner in the firm’s Los Angeles and New York offices and the co-chair of the firm's Data Privacy and Security Practice (Winner of Law360’s 2023 Practice Group of the Year). His practice focuses on litigating and trying complex commercial disputes in the areas of technology, finance, and competition. He also routinely represents both plaintiffs and defendants in a variety of business torts and breach of contract actions.

Steve has been recognized by the Daily Journal as one of the nation’s “Leading Commercial Litigators,” by Law360 as an “MVP,” and by Law Dragon and Legal 500 USA as a top lawyer in the United States in multiple practice areas (including commercial litigation, privacy, and appellate). He is lead counsel for some of the world’s largest companies defending high-profile class actions and government enforcement actions, and litigating business-to-business disputes in state and federal courts and arbitration. In the data privacy and security space, Steve defends leading technology companies against high stakes claims concerning an array of technologies, including data warehousing, cloud analytics, web-browsers, mobile apps, digital advertising, and biometric technology. The Daily Journal ranked his win for Google in a multi-billion data privacy class action as one of the Top Verdicts in 2022. He has twice been profiled by the New York Law Journal for his achievements.

In addition to trial work, Steve is an accomplished appellate lawyer and has successfully argued appeals before the U.S. Supreme Court, the federal Courts of Appeals, and state appellate courts. He is often brought into cases to help frame and preserve critical issues for appeal.

Steve previously served on the Board of Governors of the Los Angeles chapter of the Association of Business Trial Lawyers.

Before joining the firm, Steve served as a law clerk for Judge Richard C. Wesley of the U.S. Court of Appeals for the Second Circuit.

Chambers Review

Provided by Chambers

Chambers Global Guide

Privacy & Data Security: Litigation - USA

Band 3
Band 3

Individual Editorial

Stephen Broome is lead counsel in some of the most high-profile class actions in the data privacy and security space. Broome is often seen acting on behalf of technology companies in various matters related to digital advertising, mobile apps, biometric technology and cloud analytics.

Strengths

Provided by Chambers

  • Steve is very knowledgeable.

    Privacy & Data Security: LitigationChambers Global Guide

Ranked Individuals at Quinn Emanuel Urquhart & Sullivan, LLP (65)

Africa-wide

Australia

Belgium

Brazil

China

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    John Rhie

    Dispute Resolution: Arbitration (International Firms)

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Europe-wide

France

Germany

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    Marcus Grosch

    Intellectual Property: Patent Litigation

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  • Profile image of Jérôme Kommer
    Jérôme Kommer

    Intellectual Property: Patent Litigation

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  • Profile image of Johannes Bukow
    Johannes Bukow

    Intellectual Property: Patent Litigation

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