40+ Years of ExperienceServing All of Massachusetts

When Results Matter

Massachusetts Personal Injury & Criminal Defense Attorney

Joseph M. Mahaney — 40+ years of trial experience fighting for clients throughout the Commonwealth.

Attorney Joseph M. Mahaney
Trial Attorney
Joseph M. Mahaney
Massachusetts • Federal & State Courts
40+
Years of Experience

Four decades fighting for clients throughout Massachusetts.

5.0
Client Review Rating

Consistently praised for results, communication, and care.

Proven
Courtroom Experience

Decades of litigation and trial experience in state and federal courts.

Massachusetts
Served

Representing clients across the entire Commonwealth.

Four Decades of Advocacy

Experience that stands on afoundation of trust.

For more than 40 years, Attorney Joseph M. Mahaney has stood beside Massachusetts clients in their most difficult moments — preparing every case with the diligence of a seasoned trial attorney.

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Areas of Focus

Massachusetts Personal Injury& Criminal Defense

Two focused practices, one trial-tested attorney. Whether you've been injured by negligence or are facing criminal charges, Attorney Mahaney brings four decades of courtroom experience to your side.

Attorney Joseph M. Mahaney
Joseph M. Mahaney
Massachusetts Trial Attorney
Personal Injury • Criminal Defense
Meet Attorney Mahaney

Dedicated to my clients' success — for over 40 years.

From his early years as an Assistant District Attorney to 17 years as a litigation partner, Joseph M. Mahaney has spent four decades preparing every case as if it will be tried.

40+ Years

Litigation across personal injury & criminal defense.

Former ADA

Suffolk County District Attorney's Office.

Former Partner

17 years at McLaughlin, Richards & Mahaney, LLP.

State to SCOTUS

Trial & appellate practice up to the U.S. Supreme Court.

Service Area

Serving All ofMassachusetts.

From Boston to the South Shore, the North Shore, and Central Massachusetts — Attorney Mahaney represents clients in courts throughout the Commonwealth.

Suffolk County
Middlesex County
Norfolk County
Essex County
Worcester County
Plymouth County
Bristol County
All of Massachusetts
Proven Results

Decades of results acrossMassachusetts & federal courts.

Multi-Million
Dollar Settlement
Personal Injury
Six-Figure
Injury Settlement
Motor Vehicle Accident
Acquittal
Successful Criminal Defense
Criminal Defense
Recovery
Slip & Fall Settlement
Premises Liability

Prior results do not guarantee future outcomes.

Explore Results & Experience
40+
Years in practice
100s
Jury trials & bench trials
Fed. & State
Courts of practice
SCOTUS
& First Circuit experience
Why Mahaney Law

Why Hire Joseph M. Mahaney?

40+ Years of Experience

Four decades of litigation across personal injury and criminal matters.

Former Assistant District Attorney

Prosecutorial insight from the Suffolk County DA's Office strengthens every case.

State & Federal Court Experience

From Massachusetts courts to the First Circuit and the U.S. Supreme Court.

Dedicated to Client Success

Every case is prepared for trial from day one — with direct attorney access.

A Measured Approach

Justice is built onpreparation and balance.

Every case is weighed with care, prepared with precision, and argued with the conviction of an attorney who has spent four decades in Massachusetts courtrooms.

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Client Reviews

What clients say after their case.

Every result is unique. The trust clients place in our firm is what we work hardest to earn.

“I had an accident in Maine during my vacation. I tried to contact them for a solution but it seemed not to work. Then I searched online and found Joseph. This is my first time involved with a legal situation. He is an experienced personal injury lawyer and helped a lot with my case. After 4 months of negotiation, I am really satisfied with the final result. Strongly recommend.”

Verified Client
Personal Injury
TP Int • 05/03/2018
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Get a free consultation with an experienced Massachusetts attorney.

Cases are won — or lost — in the preparation. The earlier you involve experienced counsel, the better your outcome.