Department profile
Kasowitz LLP

Litigation: Securities: Plaintiffs

USA Guide 2026 : New York


Kasowitz LLP

Rankings

Chambers Review

Provided by Chambers

Litigation: Securities: Plaintiffs - New York

Band 2

Band 2


What the Team is Known For

Kasowitz is a specialized litigation firm, well regarded for its expert handling of sophisticated commercial claims. It acts on disputes such as market manipulation suits, antitrust conspiracy claims and creditors' actions brought against private equity firms. The firm has a respected practice acting for plaintiffs in complex securities cases, including matters arising from the 2008 financial crisis and the COVID-19 pandemic. It also represents hedge fund clients in significant opt-out disputes against issuers. Its diverse client base comprises senior professionals, private equity investors, governmental entities and multinational corporations.

Work Highlights

Provided by Chambers

  • Kasowitz continued to represent the Public Employees’ Retirement System of the State of Mississippi alongside four co-plaintiffs in securities fraud litigation against Valleant.

Strengths

Provided by Chambers

  • The team consistently demonstrates exceptional analytical ability and mastery of intricate legal and factual issues, often under intense time pressure, and consistently delivers results in matters by leveraging deep courtroom experience and innovative strategies.

    Litigation: Securities: Plaintiffs respondentUSA
  • Kasowitz thrives on the complexity and intensity of cases and brings a fearless, strategic and aggressive approach that is absolutely essential for success at this level. The team is proactive in identifying potential legal risks that could impact our strategic plans and offers practical, business-focused solutions.

    Litigation: Securities: Plaintiffs respondentUSA
  • Kasowitz quickly understands the issue and evaluates and designs a strategy to come out on top. Its team is very strong from the top to the bottom, and is extremely responsive. The firm provides aggressive litigation tactics and significant strategy planning.

    Litigation: Securities: Plaintiffs respondentUSA
  • Kasowitz has attracted excellent attorneys to its partnership who are not only strong lawyers, but are deeply experienced specialists able to access the firm's accrued experience and knowledge. They also enjoy litigation, which makes a difference.

    Litigation: Securities: Plaintiffs respondentUSA

Notable Practitioners

Provided by Chambers

  • Band 2Stephen Tountas
    Band 2Stephen Tountas

    Stephen Tountas

    Stephen Tountas is a go-to litigator and experienced trial lawyer sought after by a wide array of funds to handle complex actions involving securities fraud and creditor's rights.
    • Stephen is an excellent lawyer.

      Litigation: Securities: Plaintiffs respondentUSA
    • Stephen is aggressive and effective.

      Litigation: Securities: Plaintiffs respondentUSA
  • Band 3Marc E Kasowitz
    Band 3Marc E Kasowitz

    Marc E Kasowitz

    Marc Kasowitz is held in high regard for his broad civil litigation capabilities, which span from high-stakes commercial litigation to major securities cases. He advises clients on both the defense and plaintiffs' sides.
    • Marc is a very aggressive, excellent lawyer.

      Litigation: Securities: Plaintiffs respondentUSA
    • Marc is a very senior litigator who is well known in the industry as hard charging and creative.

      Litigation: Securities: Plaintiffs respondentUSA
  • Band 5Sheron Korpus
    Band 5Sheron Korpus

    Sheron Korpus

    Sheron Korpus is experienced handling commercial and securities litigation and focuses his practice on the representation of institutional investors and hedge funds in structured finance-related disputes.
    • Sheron is super strong in court. He is savvy and street smart, but with great legal scholarship. He is also great at dealing with judges.

      Litigation: Securities: Plaintiffs respondentUSA
    • Sheron is a really strong lawyer.

      Litigation: Securities: Plaintiffs respondentUSA

Ranked Individuals at Kasowitz LLP (3)

New York

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