Fighting For Boston Families For More Than A Decade

Personal Injury 2022
Better Business Bureau Accreditation
Massachusetts Academy of Trial Attorneys
Medical Malpractice 2022
Massachusetts Bar Association
Best Lawyers
American Association for Justice
The National Trial Lawyers Top 40 Under 40

Matthieu J. Parenteau

Matthieu Parenteau

Matthieu J. Parenteau is a trial attorney who has focused his career on helping people injured by the negligence of others. He has represented individuals and families for catastrophic injury, motor vehicle collisions, construction accidents, premises liability, negligent security, traumatic brain injury, medical malpractice, product liability, and wrongful death. Attorney Parenteau has recovered resolutions for his clients of $10 million, $5.5 million, $5 million, $1.75 million, $1.675 million, and $1.125 million dollars, among others.

Attorney Parenteau is admitted to practice in both the Federal and State courts of the Commonwealth of Massachusetts and the State of Maine. When he is not in the office you can find him skiing, running, and surfing throughout New England with his family and troublemaking labrador retriever.

Areas of Practice:

  • Car Accidents
  • Construction Accidents
  • Trucking Accidents
  • Catastrophic Personal Injuries
  • Wrongful Death
  • Defective Products
  • Slip and Fall Accidents
  • Bad Faith Insurance
  • Bicycle Accidents

Professional Associations and Memberships:

  • Massachusetts Academy of Trial Attorneys
  • Massachusetts Bar Association
  • Maine Bar Association
  • American Association of Justice


  • J.D., Suffolk University Law School, Boston, Massachusetts
  • B.S., Portland State University, Portland, Oregon

Litigation Percentage:

  • 100% of Practice Devoted to Litigation

Bar Admissions:

  • Massachusetts
  • Maine
  • United States District Court, Massachusetts
  • United States District Court, Maine

Awards and Honors:

Contact Attorney Matthieu J. Parenteau Now
Sweeney Merrigan Law has secured groundbreaking verdicts and settlements for our clients. Contact us for a personal consultation and start your journey to recovery and resolution.