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Brian O’Mara
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  • Image about DiCello Levitt Defeats Motion to Dismiss in Syneos Health, I

    DiCello Levitt Defeats Motion to Dismiss in Syneos Health, Inc. Securities Litigation

    NEW YORK – On March 31, 2026, the United States District Court for the Southern District of New York denied in part defendants’ motion to dismiss in Kempen International Funds, et al. v. Syneos

    04.02.26
  • Image about Thirteen DiCello Levitt Attorneys Named to The 2026 Lawdrago

    Thirteen DiCello Levitt Attorneys Named to The 2026 Lawdragon 500 Leading Plaintiff Financial Lawyers List

    Thirteen DiCello Levitt attorneys have been named to Lawdragon’s 2026 list of 500 Leading Plaintiff Financial Lawyers, an annual guide recognizing lawyers who “astound in both the sheer size of

    03.30.26
  • Image about DiCello Levitt Named Lead Counsel in F5 Securities Class Act

    DiCello Levitt Named Lead Counsel in F5 Securities Class Action

    On March 13, 2026, U.S. District Judge Kymberly K. Evanson of the United States District Court for the Western District of Washington named DiCello Levitt as Lead Counsel in Smith v. F5, Inc., et

    03.13.26
  • Image about How Startup Founders Can Avoid Disputes That Turn Into Lawsu

    How Startup Founders Can Avoid Disputes That Turn Into Lawsuits

    DiCello Levitt Partners Greg Gutzler and Brian O'Mara were published in Bloomberg Law on December 18, 2025, for their article titled, “How Startup Founders Can Avoid Disputes That Turn Into

    12.18.25
  • Image about Fourteen DiCello Levitt Attorneys Named to Lawdragon’s 500

    Fourteen DiCello Levitt Attorneys Named to Lawdragon’s 500 Leading Plaintiff Financial Lawyers List

    Fourteen DiCello Levitt attorneys have been named to Lawdragon’s 2025 list of 500 Leading Plaintiff Financial Lawyers, a guide that recognizes “the lawyers and firms that give consumers,

    06.11.25
  • Image about DiCello Levitt Named Lead Counsel in Shareholder Class Actio

    DiCello Levitt Named Lead Counsel in Shareholder Class Action Against AstraZeneca for Alleged Violations of Federal Securities Laws

    SAN DIEGO – March 24, 2025 – The United States District Court for the Central District of California on Friday appointed DiCello Levitt as Lead Counsel in the shareholder class action

    03.24.25
  • Image about DiCello Levitt Files Class Action Lawsuit Against Osaic for

    DiCello Levitt Files Class Action Lawsuit Against Osaic for Alleged Underpayment of Interest in Cash Sweep Programs

    WASHINGTON – February 6, 2025 – DiCello Levitt has filed a class action lawsuit against Osaic Holdings, Inc., Osaic, Inc., Osaic Services, Inc., and Osaic Wealth, Inc. alleging the

    02.06.25
  • Image about White Mountain Apache Tribe Sues Social Media Companies For

    White Mountain Apache Tribe Sues Social Media Companies For Fueling Youth Mental Health Crisis

    White Mountain Apache Tribe Files Lawsuit to Hold TikTok, Instagram, Facebook, Snapchat, and YouTube Accountable for Their Platforms’ Damaging Influence on the Mental Health of Tribal

    01.08.25
  • Image about DiCello Levitt Files Class Action Lawsuit Against PayPal for

    DiCello Levitt Files Class Action Lawsuit Against PayPal for Alleged Theft of Affiliate Marketing Commissions

    SAN DIEGO – January 6, 2025 – DiCello Levitt has filed a class action lawsuit against PayPal, Inc. and PayPal Holdings, Inc. on behalf of Claudia Jayne Young and other affiliate

    01.06.25
  • Image about DiCello Levitt Files Class Action Against J.P. Morgan Over C

    DiCello Levitt Files Class Action Against J.P. Morgan Over Cash Sweep Program

    NEW YORK, December 12, 2024 – DiCello Levitt LLP has filed a class action complaint in the United States District Court for the Southern District of New York on behalf of Plaintiff Nancy

    12.12.24
  • Image about The Legal 500 Recognizes DiCello Levitt Practices and Attorn

    The Legal 500 Recognizes DiCello Levitt Practices and Attorneys in Its 2024 Guide to the US Legal Market

    DiCello Levitt has been recommended in three practice areas in the 2024 edition of The Legal 500 United States, reaffirming our position as an elite complex issues and trial firm. The guide also

    06.18.24
  • Awards & Recognitions

    Sixteen DiCello Levitt Partners Named to Lawdragon’s 2024 List of 500 Leading Plaintiff Financial Lawyers

    DiCello Levitt is proud to announce that 16 of the firm’s attorneys were named to the 2024 Lawdragon 500 Leading Plaintiff Financial Lawyers list—an esteemed group of attorneys and law firms

    05.28.24
  • Image about DiCello Levitt Recognized as a Top Boutique Law Firm by the

    DiCello Levitt Recognized as a Top Boutique Law Firm by the Daily Journal

    DiCello Levitt has been named one of the 2023 Top Boutiques by the Daily Journal. The prestigious annual list features premier specialty firms known for their legal excellence in the State of

    11.03.23
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