HomeMassachusettsBostonSweeney Merrigan Personal Injury LawyersPeter Merrigan

Peter Merrigan

Proven Verdicts

Managing Partner at Sweeney Merrigan Personal Injury Lawyers

Boston, MA

Car Accidents Product Liability Slip & Fall Wrongful Death

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About Peter Merrigan

Peter M. Merrigan is the Managing Partner at Sweeney Merrigan Personal Injury Lawyers, LLP in Boston, where he practices alongside his brother attorney J. Tucker Merrigan and father Thomas T. Merrigan. He focuses on motor vehicle accidents, personal injury, maritime accidents, wrongful death, defective products, slip and fall, insurance disputes, and general liability accidents.

Merrigan earned his Juris Doctor cum laude from New England School of Law, and during law school served as a Rule 3:03 Prosecutor for Suffolk County at West Roxbury District Court. He has been named a Super Lawyers Top 40 Under 40 Trial Attorney and Rising Star (2015-2018) and recognized in The Best Lawyers in America 2024 for Mass Tort Litigation / Class Actions (Plaintiffs) and Product Liability Litigation (Plaintiffs).

Proven verdicts and settlements

$84.1 millionSettlementTop 20 in Massachusetts · #3 Top 20 of 2022 · #16

Peter Merrigan of Sweeney Merrigan Personal Injury Lawyers represented 125 Massachusetts cities and towns in claims against Johnson and Johnson and the three largest opioid distributors, recovering $84.1 million in aggregate from the national opioid settlements.

Massachusetts / Federal Court · 2022Class ActionsRead the full story →

View all 4 Sweeney Merrigan Personal Injury Lawyers proven verdicts →Badges and designations for this firm →

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

Practice areas

Car Accidents Product Liability Slip & Fall Wrongful Death

Bar admissions & credentials

State Bar of Massachusetts

Massachusetts Academy of Trial Attorneys

Boston Bar Association

Massachusetts Bar Association

National Lawyers Guild

Awards & recognition

Best Lawyers in America (2024)

Super Lawyers Top 40 Under 40 (2015-2018)

Super Lawyers Rising Star (2015-2018)

Other attorneys at Sweeney Merrigan Personal Injury Lawyers

View firm →

J. Tucker MerriganProven Verdicts

Managing Partner

Thomas MerriganProven Verdicts

Partner

Korey KajkoProven Verdicts

Senior Trial Attorney

Carleen Mullally

Pre-Litigation Attorney

Maggie O'Donnell

Pre-Litigation Attorney

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