Department profile
Sullivan & Cromwell LLP

Litigation: General Commercial

USA Guide 2026 : California


Sullivan & Cromwell LLP

Rankings

About

Provided by Sullivan & Cromwell LLP

To learn about our practice, please visit https://www.sullcrom.com/PracticeListing.

Chambers Review

Provided by Chambers

Litigation: General Commercial - California


What the Team is Known For

Sullivan & Cromwell is a full-service litigation group offering representation in high profile cases, with experience in areas including antitrust, IP, securities and wider commercial disputes. The team excels in contentious class action matters, including significant multidistrict proceedings. The firm's wide-ranging client base includes a number of leading financial institutions, technology companies and manufacturers.

Work Highlights

Provided by Chambers

  • Sullivan & Cromwell LLP represented underwriter banks, including J.P. Morgan, in a putative federal securities fraud class action, which alleged that Neumora, certain of its executives and its underwriters misled investors about the efficacy of the company's drug products at the time of its 2023 IPO.

Strengths

Provided by Chambers

  • Sullivan & Cromwell has extensive experience in all areas of litigation, which allows it to provide competent and creative legal advice.

    Litigation: General Commercial respondentUSA
  • S&C thinks of ways of doing things that other law firms and other lawyers haven't thought of.

    Litigation: General Commercial respondentUSA
  • The team is strong and deep with multiple first-chair partners.

    Litigation: General Commercial respondentUSA

Notable Practitioners

Provided by Chambers

  • Band 1Robert A Sacks
    Band 1Robert A Sacks

    Robert A Sacks

    Robert Sacks has attained a sterling reputation for his disputes practice, which sees him employ his well-honed litigation skills in a broad spectrum of commercial claims and securities class actions.
    • Bob Sacks is top of my speed dial for a high-risk situation.

      Litigation: General Commercial respondentUSA
    • We consistently turn to Bob because his advice is practical and actionable. He has very good instincts on his feet and is easy to work with.

      Litigation: General Commercial respondentUSA
  • Band 4Brendan P Cullen
    Band 4Brendan P Cullen

    Brendan P Cullen

    Brendan Cullen is frequently called upon by clients in the financial services and technology industry to handle securities disputes, as part of a wide-ranging commercial litigation practice. He also counsels clients on regulatory enforcement and investigations.
    • Brendan is a capable guy who contributes to the legal community.

      Litigation: General Commercial respondentUSA

Ranked Individuals at Sullivan & Cromwell LLP (3)

California

Members

Provided by Sullivan & Cromwell LLP

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