Joseph M.Mahaney
A Massachusetts trial attorney with 40+ years of litigation experience — dedicated to his clients' success in personal injury and criminal defense matters with depth and discipline.
A career spent on the courtroom floor.
Joseph M. Mahaney is a Massachusetts trial attorney with 40+ years of litigation experience in both criminal and civil matters. He has represented clients in Massachusetts State Courts, Federal Courts, the United States Court of Appeals for the First Circuit, and the Supreme Court of the United States.
He previously served as an Assistant District Attorney with the Suffolk County District Attorney's Office and spent 17 years as a partner at McLaughlin, Richards & Mahaney, LLP.
Today, Attorney Mahaney leads Mahaney Law — a focused solo trial practice built on direct attorney-to-client representation and a steadfast commitment to his clients' success.
Education, admissions & experience.
Education
- New England School of Law (J.D.)
- University of Massachusetts Amherst
Bar Admissions
- Massachusetts Bar (1986)
- U.S. Federal Courts (1987)
- U.S. Court of Appeals, First Circuit
- Supreme Court of the United States
Professional Experience
- Mahaney Law — Founder & Principal
- McLaughlin, Richards & Mahaney, LLP — Partner (17 years)
- Suffolk County District Attorney — Former Assistant DA
Courtroom Experience
- Massachusetts State Court trials
- U.S. Federal Court litigation
- U.S. Court of Appeals, First Circuit
- Supreme Court of the United States
Areas of Focus
- Personal injury & motor vehicle accidents
- Truck accidents & slip and fall injuries
- Criminal defense
Experience
- 40+ years of trial practice
- Both criminal and civil matters
- Federal & state court trial counsel
Four decades of practice — at a glance.
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.