Department profile
Debevoise & Plimpton LLP

Litigation: Securities

USA Guide 2026 : New York

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Debevoise & Plimpton LLP

Rankings

Chambers Review

Provided by Chambers

Litigation: Securities - New York

Band 2

What the Team is Known For
Debevoise & Plimpton has a distinguished litigation practice that offers extensive civil and criminal litigation capabilities. The firm is a go-to for major disputes in fields as diverse as education, energy and pharmaceuticals, fielding particular strength in the representation of insurance companies and private equity funds. The litigation group also demonstrates excellent capabilities in healthcare-related disputes. It offers expert handling of SEC investigations complemented by significant experience in securities class actions and M&A litigation. The firm counts a number of former governmental luminaries among its impressive stable of litigators.
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Work Highlights

Provided by Chambers

  • Debevoise & Plimpton represented Lyft in a federal securities class action lawsuit premised on a clerical error in a press release announcing the company’s earnings, with a motion to dismiss granted.

Strengths

Provided by Chambers

  • Debevoise & Plimpton is distinguished by its outstanding breadth of experience, the exceptional complementary skill sets of its partners, and its balanced and reasoned counsel.

    Litigation: Securities respondentUSA

  • Debevoise & Plimpton is able to handle the most difficult tasks. It has an excellent, sophisticated and very responsive bench, and it can scale up to handle any matter. The team is excellent.

    Litigation: Securities respondentUSA

  • Debevoise & Plimpton has strong industry knowledge and litigation expertise. The partners are extremely responsive to case developments and display an excellent level of communication with the client. The team has exceptional witness prep and trial skills.

    Litigation: Securities respondentUSA

  • Debevoise & Plimpton consistently shows exceptional ability to identify and address key issues and priorities under a tight timeframe. It demonstrates strong adaptability to meet diverse client needs and working styles, and exhibits strong commitment to the client. Also impressive is its ability to communicate effectively in ways that are well-adjusted to clients with different legal expertise and backgrounds.

    Litigation: Securities respondentUSA

Notable Practitioners

Provided by Chambers

  • Maeve O'Connor
    Maeve O'Connor

    Maeve O'Connor

    Maeve O'Connor specializes in high-exposure securities class actions, including Rule 10b-5 suits, Section 11 claims and ERISA matters. She is highly adept at M&A litigation and shareholder derivative suits.

    • Maeve is very quick on her feet and very sharp. She can see around corners to spot both issues and possible paths to solution.

      Litigation: Securities respondentUSA

    • Maeve is brilliant, strategic and incredibly responsive.

      Litigation: Securities respondentUSA

    • Maeve is fabulous. She is good on her feet in court and very practical. She really is top-notch.

      Litigation: Securities respondentUSA
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  • Mark P Goodman
    Mark P Goodman

    Mark P Goodman

    Mark Goodman represents clients in various high-stakes commercial disputes, including contract and merger challenges, bankruptcy disputes and securities litigation.

    • Mark is truly masterful at quarterbacking complex situations. He is also highly practical.

      Litigation: Securities respondentUSA

    • Mark is a great trial lawyer. He is persuasive, believable and a fantastic advocate.

      Litigation: Securities respondentUSA

    • Strategic thinking is one of Mark's key strengths. His presence in the boardroom and courts is something to admire.

      Litigation: Securities respondentUSA

    • Mark stands out for his practicality and skillful advocacy, as well as his prioritization of issues and focusing on what matters when guiding clients.

      Litigation: Securities respondentUSA

    • Mark is savvy, strategic and strong on his feet, with good client management skills. He is top drawer in every respect.

      Litigation: Securities respondentUSA
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  • Maura Monaghan
    Maura Monaghan

    Maura Monaghan

    Maura Monaghan handles a broad range of commercial cases and has standout expertise in the field of healthcare litigation and disputes involving pharmaceuticals.

    • Maura has extremely creative ideas and is not afraid to take risks.

      Litigation: Securities respondentUSA

    • Maura is super insightful. She has a complete command of facts and law.

      Litigation: Securities respondentUSA
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  • Shannon Selden
    Shannon Selden

    Shannon Selden

    Shannon Selden is a strong choice for clients in the asset management sector, and her experience covers an array of actions including contractual and M&A disputes.

    • Shannon is excellent. She fights for her clients and maintains a strategic view throughout.

      Litigation: Securities respondentUSA
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  • Elliot Greenfield
    Elliot Greenfield

    Elliot Greenfield

    Elliot Greenfield is a commercial litigator recognized for his wealth of experience handling securities suits, particularly those involving the fintech and crypto space.

    • Elliot has a lot of intellectual firepower and he is very effective. He is outstanding.

      Litigation: Securities respondentUSA

    • Elliot is extremely strong, pragmatic and strategic.

      Litigation: Securities respondentUSA
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  • Susan Gittes
    Susan Gittes

    Susan Gittes

    Susan Gittes is noted for her experience handling securities actions on behalf of a range of corporates and their senior figures.

    • Susan is an outstanding partner with great litigation skills.

      Litigation: Securities respondentUSA

    • Susan is very bright, industrious and kind. She's a treat to work with both because she thinks pragmatically and because she is adroit at finding points of alignment.

      Litigation: Securities respondentUSA
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Ranked Individuals at Debevoise & Plimpton LLP (6)

New York

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