Atty. David J. McMorris

Atty. David J. McMorris

Mr. McMorris is a trial lawyer and directs Thornton Law Firm’s health care subrogation and workplace injury practice.

Boston Boston 43 yrs experience 43 year
Call (857) 356-4481 Email Book Appointment

Profile Summary

About David J. McMorris at a glance

David J. McMorris is a Partner based in Boston, Massachusetts, practicing at Thornton Law Firm LLP. They have 43+ years of legal experience, licensed to practice since 1983. Their practice focuses on personal injury, workers comp, whistleblower, product liability, and insurance. Admitted to practice in Massachusetts (1983), New York (1984), U.S. District Court, District of Massachusetts and U.S. Court of Appeals, First Circuit (1984), and U.S. Supreme Court (1988). Educated at Suffolk University (J.D., 1983) and State University of New York (B.S., 1976). Recognitions include AV Preeminent. Active member of New York State Bar Association Massachusetts Bar Association American Association for Justice. Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. McMorris is a trial lawyer and directs Thornton Law Firm’s health care subrogation and 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 was appointed by the federal district court to serve as plaintiff’s liaison counsel in asbestos litigation for the United States District Court for the District of Massachusetts and has served in that position since 1993
  • he was the plaintiff’s liaison counsel for the Massachusetts Superior Court’s Massachusetts Asbestos Cases Consolidated Docket from 1993 -2017
  • He is a graduate of the State University of New York 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 in Best Lawyers in America for many years, as well as a Massachusetts Super Lawyer for 15 years
  • He was named one of the Top 100 Trial Lawyers by the American Trial Lawyers Association, and one of the Top 100 Civil Trial Lawyers in Massachusetts by the National Trial Lawyers
  • The American Lawyer selected him as a 2019 Top Rated Lawyer in Mass Tort Law
  • He has been selected as one of New England’s Top Rated Lawyers by ALM Media and Martindale-Hubbell™ for for many years
  • 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

Practice Areas Explained

David J. McMorris's Areas of Practice

Each practice area below reflects the types of cases David J. McMorris handles, with a brief overview of what that area of law covers.

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

David J. McMorris is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Massachusetts →

Workers Compensation

Workers compensation lawyers help injured workers get medical care, lost wages, and disability benefits. Free consult, no fee unless you win.

David J. McMorris is one of 55,389 workers comp attorneys indexed nationally. Browse workers comp attorneys in Massachusetts →

Whistleblower & Retaliation

David J. McMorris is one of 3,552 whistleblower attorneys indexed nationally. Browse whistleblower attorneys in Massachusetts →

Product Liability

David J. McMorris is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in Massachusetts →

Insurance Law

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

David J. McMorris is one of 121,912 insurance attorneys indexed nationally. Browse insurance attorneys in Massachusetts →

Jurisdictional Context

Why local counsel matters in Massachusetts

Practicing law in Massachusetts. Legal matters in Massachusetts are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Boston are typically filed in the local municipal court or the appropriate Massachusetts state district court, depending on subject matter and amount in controversy. An attorney licensed in Massachusetts brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Massachusetts courts without local counsel or pro hac vice admission.

Looking for additional Massachusetts attorneys? Browse all attorneys in Boston or all attorneys in Massachusetts.

Frequently Asked

Common questions about David J. McMorris

Where is David J. McMorris's law office located?
David J. McMorris's law practice is located in Boston, Massachusetts. The firm is Thornton Law Firm LLP. You can contact the office directly through this profile page.
What practice areas does David J. McMorris handle?
David J. McMorris focuses on personal injury, workers comp, whistleblower, product liability, insurance. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has David J. McMorris practiced law?
David J. McMorris has 43+ years of legal experience and has been licensed since 1983.
Where did David J. McMorris go to law school?
David J. McMorris earned their education at (J.D., 1983); (B.S., 1976).
How can I contact David J. McMorris for a consultation?
You can contact David J. McMorris directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has David J. McMorris received?
David J. McMorris's notable recognition includes: AV Preeminent.

Education

J.D.
Suffolk University
- 1983
B.S.
State University of New York
- 1976

Awards

AV Preeminent

Bar Admissions

Massachusetts
Admitted: 1983
New York
Admitted: 1984
U.S. District Court, District of Massachusetts and U.S. Court of Appeals, First Circuit
Admitted: 1984
U.S. Supreme Court
Admitted: 1988

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