

John T. Barrett - Thornton Law Firm LLP
VerifiedPersonal injury attorney
1 Lincoln St, Boston, MA 02111, United States
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Practice Areas
About John T. Barrett - Thornton Law Firm LLP
Thornton Law Firm LLP was established in 1978 by Michael Thornton and two other attorneys. The firm initially focused on groundbreaking work for victims of mesothelioma and other asbestos-related diseases. Over four decades, it has grown to become a leading injury law firm in Massachusetts and one of the largest plaintiff-side law firms in New England.
The firm comprises 17 attorneys who represent thousands of clients in various plaintiff-side matters. Thornton Law Firm LLP specializes in complex litigation, assisting individuals and organizations who have experienced physical, financial, and emotional harm due to negligence or wrongdoing. Their experience includes representing the Commonwealth of Massachusetts in a lawsuit against the tobacco industry, advocating for over 20,000 victims of mesothelioma and other asbestos-related diseases, and supporting children suffering from severe birth defects. The firm also handles cases involving catastrophic injuries and harm caused by pharmaceutical drugs and medical devices.
Thornton Law Firm LLP serves clients in Massachusetts and across the country. Its attorneys are supported by a dedicated staff of approximately 70 legal assistants and support personnel. The firm collaborates with public health specialists, occupational health physicians, toxicologists, epidemiologists, and industrial hygienists to investigate and prosecute cases. Additionally, Thornton Law Firm LLP maintains affiliations and strategic alliances with other prestigious firms to extend its reach and expertise.
From the firm’s website
- Attorneys
- Michael Thornton — Founding Attorney
- Andrew Wainwright
- Michael A. Lesser — Partner
- David Strouss — Lead Attorney
- David J McMorris
- Marilyn McGoldrick
- Services listed
- Birth Defects, Drugs and Medical Devices Litigation, False Claims Act and Fraud, Mesothelioma and Asbestos, Paraquat Weed Killer Exposure Lawsuit, Personal Injury, Securities Litigation, Talc Powder And Cancer, Toxic Torts, Silicosis, PFAS Chemical Exposure Lawsuits
- Founded
- 1978
- Consultations
- Free initial consultation
- Fees
- The firm states that clients have nothing to risk and offers a fair and accurate assessment of cases.
- Offices
- 84 State Street 4th Fl. Boston, MA 02109
- 2121 Avenue of the Stars, Suite 800 Los Angeles, California 90067
- Awards & recognition
- 2017 Environmental Lawyer of the Year by Lawyer Monthly Magazine
Source: tenlaw.com · checked October 12, 2026. Lawyers Near Me hasn’t independently verified these details.
Hours of Operation
- Monday
- 8:30 am–5:30 pm
- Tuesday
- 8:30 am–5:30 pm
- Wednesday
- 8:30 am–5:30 pm
- Thursday
- 8:30 am–5:30 pm
- Friday
- 8:30 am–5:30 pm
- Saturday
- Closed
- Sunday
- Closed
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John T. Barrett - Thornton Law Firm LLP — Frequently Asked Questions
Where is John T. Barrett - Thornton Law Firm LLP located?+
John T. Barrett - Thornton Law Firm LLP is located at 1 Lincoln St, Boston, MA 02111, United States. Use the "Get Directions" link on this page to navigate there.
What kind of cases does John T. Barrett - Thornton Law Firm LLP handle?+
John T. Barrett - Thornton Law Firm LLP handles Personal Injury, Civil Litigation. Confirm that they cover your specific legal matter during your first consultation.
How do I contact John T. Barrett - Thornton Law Firm LLP?+
Call John T. Barrett - Thornton Law Firm LLP at +1 617-720-1333 or visit their website. Many firms offer a free or low-cost initial consultation.
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