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    Photo of David J. McMorris
    David J. McMorris
    DM
    Photo of David J. McMorris

    Personal Injury

    David J. McMorris

    Thornton Law Firm LLP

    5.0Editorial rating
    Boston, MA

    About

    Mr. McMorris is a trial lawyer and directs Thornton Law Firm's workplace injury practice. He is a member of the Massachusetts and New York bars and the American Association for Justice. Mr. McMorris' trial experience has included several jury verdicts in excess of $1 million dollars in cases involving products liability, construction accidents, toxic exposures, lead paint poisoning, and asbestos exposure.

    Mr. McMorris has been appointed by the Federal District Court for the District of Massachusetts to serve as plaintiff's liaison counsel in asbestos litigation since 1993, and served in that same position for the Superior Court of Massachusetts from 1993-2017. He is a graduate of the State University of New York, Brockport and of Suffolk University Law School. He has been a guest lecturer on latent occupational disease and complex litigation at Tufts University and Boston University Law School.

    Mr. McMorris has been named a Massachusetts Super Lawyer for 15 years, and as one of the Top 100 Trial Lawyers by the American Association for Justice. He is a member of Million Dollar Advocates Forum, has been awarded the highest 10 rating by the lawyer evaluation website avvo.com, and is rated "AV," the highest available rating from Martindale-Hubbell, a highly respected independent legal rating publisher.

    Overview

    Practice focus

    Personal Injury

    Firm

    Thornton Law Firm LLP

    Office details

    Location

    84 State Street, 4th Floor
    Boston, MA 02109

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    Services

    Practice areas

    Personal Injury

    Languages

    English

    Reviews

    5.0

    Editorial rating by AttorneyReview

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    Our Opinion

    Editorial review by AttorneyReview

    AttorneyReview TeamEditorial
    10/8/2026

    A Boston trial lawyer who leads a workplace injury practice

    David J. McMorris is a trial lawyer at Thornton Law Firm in Boston, where he directs the firm's workplace injury practice. He is admitted in Massachusetts and New York, a graduate of the State University of New York at Brockport and Suffolk University Law School, and a member of the American Association for Justice. His profile describes trial work in product liability, construction accidents, toxic exposures, lead paint poisoning and asbestos exposure. What stands out to us is a role few lawyers hold: his profile states that the federal district court in Massachusetts has appointed him plaintiffs' liaison counsel in asbestos litigation since 1993, and that he held the same position in the Massachusetts Superior Court from 1993 to 2017. Courts give that job to lawyers they trust to coordinate hundreds of cases. He has also lectured on occupational disease and complex litigation at Tufts University and Boston University School of Law, and his profile lists recognition by Super Lawyers for 15 years. This kind of lawyer is typically sought by a worker or family dealing with an occupational disease, a construction site injury or a defective product. Think you have a case? Start here. Tell us about your situation and we connect you with a personal injury attorney near you in Massachusetts. Free, no obligation, about two minutes. Injury cases are usually taken with nothing to pay upfront. Editorial opinion by the AttorneyReview team, based on the credentials and practice information on this profile. Not a client review. The attorney did not request, pay for, or review this note. AttorneyReview is a free matching service.

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    Credentials

    Bar admissions

    • New York, New York State Bar Association
    • Massachusetts, Massachusetts Bar Association

    Education

    • The College at Brockport, B.S., graduated 1976
    • Suffolk University, J.D., graduated 1983

    Affiliations

    • American Association for Justice - Member