40+ years.Federal & state courtrooms.
Attorney Mahaney's experience spans hundreds of cases, dozens of trials, and decades of advocacy across Massachusetts and federal courts.
Trial-ready in every venue.
A practice built across the spectrum of Massachusetts and federal courts.
Personal Injury Trials
Decades of personal injury litigation — from negotiation through jury verdict — holding insurers and defendants accountable.
Motor Vehicle Accidents
Car, motorcycle, and pedestrian collision claims pursued through settlement or trial when insurers refuse fair value.
Truck Accidents
Complex commercial-vehicle crash litigation involving federal regulations and multiple liable parties.
Slip & Fall / Premises
Premises liability claims against negligent property owners for unsafe conditions and hidden hazards.
Criminal Defense Trials
Jury and bench trial defense across felony and misdemeanor charges — informed by years on the prosecution side.
Federal & State Courts
Trial and appellate practice from Massachusetts courts to the First Circuit and the U.S. Supreme Court.


A trajectory built around the courtroom.
Admitted to the Massachusetts Bar
Began an active trial practice in state courts across the Commonwealth.
Admitted to U.S. Federal Courts
Expanded into federal litigation, later appearing before the First Circuit Court of Appeals and the U.S. Supreme Court.
Assistant District Attorney — Suffolk County
Served as a prosecutor with the Suffolk County District Attorney's Office, building the courtroom instincts that drive every case today.
Partner — McLaughlin, Richards & Mahaney, LLP
Spent 17 years as a partner handling complex civil and criminal litigation.
Mahaney Law — Solo Trial Practice
Direct, attorney-led representation focused on personal injury and criminal defense.
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.
