About John Barrett

John T. Barrett is of counsel to Thornton Law Firm. He is a graduate of the University of Maine and the Boston University School of Law. He practiced in New Hampshire until 1982, when he joined Thornton Law Firm. He manages the firm's asbestos and personal injury practice in New Hampshire and Maine.

Proven verdicts and settlements at Thornton Law Firm

These results are credited to Thornton Law Firm. A result appears under an attorney's own name only when a published source names them as counsel on the case.

$42.6 millionVerdictTop 20 in Massachusetts · #8

A Massachusetts jury found Johnson & Johnson liable for Paul Lovell's mesothelioma, awarding $42.6 million in what is believed to be the largest mesothelioma verdict in the state's history.

Middlesex County Superior Court, Massachusetts (No. 21-2086) · 2025Product LiabilityRead the full story →
$7.55 millionVerdict

A Massachusetts jury awarded $7.55 million to Gerald Sylvestre, a former New Hampshire power plant worker who developed mesothelioma after repeated exposure to asbestos insulation installed by a Canton distributor, in what was then reported as the largest asbestos verdict in New England history.

Middlesex County Superior Court, Massachusetts (No. 15-7031) · 2017Product LiabilityRead the full story →
$6.8 millionVerdict

A Middlesex County jury awarded $6.8 million to Amy Ross and her two daughters after finding New England Insulation Company liable for the mesothelioma death of her husband Timothy, who had been exposed to asbestos dust doing part-time insulator work around Boston as a teenager and young adult.

Middlesex County Superior Court, Massachusetts (No. 13-5580) · 2017Product LiabilityRead the full story →

Prior results do not guarantee a similar outcome. Each case is unique and depends on its own facts.

Practice areas

Education

Boston University School of Law
J.D.
University of Maine
Undergraduate

Bar admissions & credentials

State Bar of New Hampshire
State Bar of Massachusetts

Other attorneys at Thornton Law Firm

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Proven verdicts and settlements from other Boston firms

Lubin & Meyer
Lubin & Meyer
$40 Million Verdict for Family of Boy Left with Cerebral Palsy After Five-Hour Delivery Delay
Swartz & Swartz
Swartz & Swartz
$18.4 million · Federal Jury Awards $18.4 Million After Lahey Clinic Doctors Cancel HIV Test, Allowing AIDS to Develop
Sugarman & Sugarman
Sugarman & Sugarman
$30.55 Million Verdict After Traveling Nurse Failed to Monitor Fetal Heart Rate at MGH
Sweeney Merrigan Personal Injury Lawyers
Sweeney Merrigan Personal Injury Lawyers
$450 million sought · $450 Million Wrongful Death Suit: Eversource Ignored Gas Leak for Three Years Before Fatal Maynard Explosion
Breakstone, White & Gluck
Breakstone, White & Gluck
$56 million · Middlesex Jury Awards $56 Million to Retiree Disabled When Amazon Delivery Van Crossed the Center Line

Prior results do not guarantee a similar outcome. Each case is unique and depends on its own facts.