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    1. Home
    2. People
    3. Robert J. O'Regan

      People
    1. Home
    2. People
    3. Robert J. O'Regan

      People

    Robert J. O'Regan

    Partner


    • Boston
    • Office+1 617.345.1052
    • roregan@nixonpeabody.com
    • Download vCard

    Introduction

    Bob O’Regan is a seasoned litigator who represents clients in commercial, employment, and fiduciary duty matters. He also handles complex disputes involving high-net-worth individuals where the valuation and division of business or trust interests are a primary issue.

    Practice Areas

    Wealth ManagementComplex DisputesLitigationSecurities & Governance LitigationNP Trial®Arbitration, Mediation & Alternative Dispute ResolutionAppellateNon-Compete & Trade SecretsReal EstatePrivate Wealth & AdvisoryTrusts, Wills & Estates

    /My focus

    My experience in civil and commercial litigation includes valuation of interests in closely held businesses, directors’ and officers’ liability, fidelity bond claims, real estate title issues, and claims of fraud and undue influence. I have successfully represented businesses and individuals before the Massachusetts Commission Against Discrimination. I also have extensive experience representing clients before professional and occupational licensing boards.

    Over the course of my career, I have won precedent-setting cases at the trial and appellate levels. These have included a recent complex divorce case in which I successfully established the value of diverse business interests at $227 million over the other side’s claim of $90 million when the parties had agreed to split the marital estate equally. On behalf of a Harvard Medical School professor, I won dismissal and recovery of all of his legal fees when he was sued for product defamation after stating—“You can die from taking this product”—in a broadcast interview about the Metabolife herbal diet pill that was being sold at shopping mall kiosks across the United States.

    /Looking ahead

    Now, more than ever, clients are facing issues in connection with conflicts of interest by professionals and fiduciaries, business valuations in times of economic uncertainty, and the duty of care by fiduciaries in monitoring investment performance and supervising managers in a shaky economy.

    /Insights

    Publications

    “The Fiduciary Litigation Session,” Boston Bar Journal, March 2019

    Presentations

    “Trustee Removal No-Fault and For Cause,” Panelist, MBA 6th Annual Probate Law Conference, November 2018

    /In the news

    • Massachusetts Lawyers Weekly

      People in the law

      This article covering legal industry news and moves from around Massachusetts includes the NP arrival of Boston Complex Disputes partner Bob O’Regan.

      July 21, 2023
    • The Boston Globe

      Gym fees, online shopping, bounced checks: Ex-fiancée of Aaron Hernandez accused of misspending money meant for couple’s young daughter

      (quoting Robert O’Regan)
      Jan 31, 2023
    • Massachusetts Lawyers Weekly

      Widow Gets Appreciation on Her Share of Estate

      (quoting Robert O’Regan)
      July 31, 2021

    /Admitted to practice

    Massachusetts
    U.S. District Court, District of Massachusetts
    U.S. Court of Appeals, First Circuit
    U.S. Court of Appeals, Ninth Circuit
    U.S. Supreme Court

    /Education

    Georgetown University Law Center, J.D.
    Tufts University, M.A.
    Tufts University, B.A.

    /Professional activities

    • Boston Bar Association, Fiduciary Litigation Committee, Co-chairman
    • Massachusetts Probate and Family Inn of Court, Treasurer
    • Massachusetts Council for Public Justice

    /Recognition

    • Named a 2019 Litigation Trailblazer by the National Law Journal
    • Named a 2016 ”Lawyer of the Year” by Massachusetts Lawyers Weekly
    • Massachusetts Super Lawyers (2004, 2010, 2014–2024)

    Insights And Happenings

    View All
    • Press Release

      Longtime litigator joins Nixon Peabody’s Complex Disputes practice as partner

      July 17, 2023
    View All

    Professionals in the Practice Area

    View All
    • Sarah T. Connolly

      Partner
      • Boston
      • Office:+1 617.345.6075
      • sconnolly@nixonpeabody.com
      Sarah T. Connolly
    • Evelyn V. Moreno

      Partner / Practice Group Leader, Private Clients
      • Boston
      • Office:+1 617.345.6157
      • emoreno@nixonpeabody.com
      Evelyn V. Moreno
    • Matthew M. Martino, CFA

      Senior Director of Portfolio Strategy
      • Boston
      • Office:+1 617.345.1122
      • mmartino@nixonpeabody.com
      Matthew M. Martino, CFA
    • Lawrence B. Cohen

      Partner
      • Boston
      • Office:+1 617.345.1268
      • lcohen@nixonpeabody.com
      Lawrence B. Cohen
    • Marc Iovine

      Compliance Officer
      • Boston
      • Office:+1 617.345.1347
      • miovine@nixonpeabody.com
      Marc Iovine
    View All

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