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