Department profile
King & Spalding LLP

Litigation: Securities

USA Guide 2026 : New York


King & Spalding LLP

Rankings

Chambers Review

Provided by Chambers

Litigation: Securities - New York

Band 4

Band 4


What the Team is Known For

King & Spalding boasts a robust commercial litigation practice offering expertise in a whole host of disputes, with experience handling financial services, real estate and auditor defense work. It possesses additional strength in consumer class actions, as well as toxic torts. The firm has growing prowess in securities litigation and is frequently sought after by notable corporates and their directors and officers when faced with claims of fraud, misleading statements and market manipulation.

Work Highlights

Provided by Chambers

  • King & Spalding continued to represent JPMorgan Chase Bank, winning a trial victory in a $79 million breach of contract dispute relating to Winter Storm Uri and the Texas power crisis in February 2021.

Strengths

Provided by Chambers

  • King & Spalding has a deep bench of experienced trial lawyers and is well equipped to handle highly complex and sensitive cases. The team has a strategic and creative problem-solving ability, and is strongly client-focused, demonstrating excellent communication and responsiveness. Its attorneys also demonstrate deep legal knowledge and excellent advocacy skills.

    Litigation: Securities respondentUSA
  • King & Spalding is in constant communication and is easily accessible at all times. The team understands how to speak to clients and convey information, providing trustworthy advice based on an intimate understanding of cases. The firm produces excellent work product and is prepared for all aspects of a case. Its lawyers are consistently forward-thinking, anticipating the next chapter.

    Litigation: Securities respondentUSA
  • King & Spalding is strong on verbal and written communication, demonstrates excellent responsiveness and has a great understanding of the law.

    Litigation: Securities respondentUSA
  • King & Spalding has very strong litigators who are technically sound and able to digest complex matters and explain them in a readily absorbable way for business people. The team provides commercial and pragmatic advice for each dispute, and its perseverance is high when dealing with different adversaries.

    Litigation: Securities respondentUSA

Notable Practitioners

Provided by Chambers

  • Band 2Mark Kirsch
    Band 2Mark Kirsch

    Mark Kirsch

    Mark Kirsch demonstrates repeated success in SEC-related disputes, as well as in securities class actions and breach of fiduciary duty cases. His clients include a number of major corporate issuers.
    • Mark is commercial and highly responsive to client objectives, with a wealth of experience and knowledge.

      Litigation: Securities respondentUSA
    • Mark is an excellent, well-rounded lawyer.

      Litigation: Securities respondentUSA
    • Mark is great to deal with and so knowledgeable. He thinks outside the box and provides solutions that you had never thought about. His advice is very valuable.

      Litigation: Securities respondentUSA
  • Band 3Richard Marooney
    Band 3Richard Marooney

    Richard Marooney

    Richard Marooney demonstrates particular strength in M&A litigation, often acting for individuals and corporates in major cases. He also handles various contract disputes and securities class actions.
    • Richard is a consummate trial lawyer.

      Litigation: Securities respondentUSA
    • Richard is superb. He is practical and highly effective.

      Litigation: Securities respondentUSA
    • Richard is smart and practical. He really understands how to strategize and has huge experience in civil litigation.

      Litigation: Securities respondentUSA
  • Band 4Christopher E Duffy
    Band 4Christopher E Duffy

    Christopher E Duffy

    Christopher Duffy frequently acts on behalf of major banking and finance sector clients and possesses expertise in a wide range of commercial disputes involving contracts and financial products.
    • Chris is an outstanding civil litigator. He is able to master voluminous records quickly and come up with just the right arguments to win in a case, no matter the subject.

      Litigation: Securities respondentUSA
    • Chris is a very strong litigator who does a great job of navigating the different interests of various parties involved in a matter. He is also very thoughtful about how to achieve the best outcome.

      Litigation: Securities respondentUSA
    • Chris is an excellent litigator.

      Litigation: Securities respondentUSA
  • Band 6Damien Marshall
    Band 6Damien Marshall

    Damien Marshall

    Damien Marshall focuses on the resolution of commercial disputes in a wide range of areas, including antitrust and securities. He cochairs the firm's business litigation practice.

    • Damien is extremely pragmatic and tactical.

      Litigation: Securities respondentUSA
    • Damien is a trusted adviser with sound and timely advice. He delivers quality and thoughtful work product.

      Litigation: Securities respondentUSA
  • Band 6Leigh M Nathanson
    Band 6Leigh M Nathanson

    Leigh M Nathanson

    Leigh Nathanson is recognized for her broad-based experience in commercial litigation. She often handles litigation for financial institutions and corporate clients.

    • Leigh is an outstanding leader with the ability to navigate difficult and complex legal matters.

      Litigation: Securities respondentUSA
    • Leigh offers strategic insights, work ethic, attention to detail and excellent client service. She is a strong advocate.

      Litigation: Securities respondentUSA
    • Leigh has presence, poise and such clear arguments.

      Litigation: Securities respondentUSA
    • Leigh is a very talented attorney.

      Litigation: Securities respondentUSA
  • Up and ComingAlvin Lee
    Up and ComingAlvin Lee

    Alvin Lee

    Clients value Alvin Lee's assistance with commercial disputes touching on breach of contract, fraud and mass torts.

    • Alvin is an excellent attorney providing very strong representation.

      Litigation: Securities respondentUSA
    • Alvin’s legal acumen, strategic thinking and unwavering commitment to client advocacy are consistently impressive. He possesses a deep understanding of complex commercial disputes and approaches each case with meticulous attention to detail and a clear assessment of risk. He is also a pleasure to work with, always responsive and helpful.

      Litigation: Securities respondentUSA
    • Alvin's ability to absorb reams of information and detail is incredible.

      Litigation: Securities respondentUSA

Ranked Individuals at King & Spalding LLP (6)

New York

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