Thomas J. O'Neill

42 years of experience as a criminal defense lawyer. Former police Officer in the Town of Poughkeepsie Police Department. Former Senior Assistant Public Defender in Dutchess County.
Extensive trial and pre-trial hearing experience.
DWI legal instructor to State and local Judges. Member of the Dutchess County Ignition Interlock Panel.
My current practice has a special emphasis on DWI and Opioid Addiction cases. I practice law with the highest degree of ethics, honor and professionalism.
I am certified in the administration of naloxone for the prevention of death in the event of opioid overdose.

Western New England University School of Law

J.D. | Criminal Law and Family Law

1974 - 1977

Sole proprietor

Law office of THOMAS JAMES O’NEILL

2019 - Current

42 years experience in criminal defense law. Former police officer (Town of Poughkeepsie) Extensive trial and pre-trial hearing experience I practice criminal law with the highest degree of dignity, honor and professionalism. Evening and weekend appointments Emergency phone number 24 hrs: 1-845-453-4600

City of Poughkeepsie Court Judge

New York State Court Judge

2016 - 2018

Partner

O’Neill & Thatcher LLP

1995 - 2016

Associate

Law office of Peter L. Maroulis

1979 - 1995

Senior Assistant Public Defender

Dutchess County Public Defender

1978 - 1989

New York State Defenders Association

Member

1985 - Current

New York State Bar Association

Member

1980 - Current

Dutchess County Bar Association

Member

1977 - Current

New York

Since 1977

U.S. Supreme Court

• Free Consultation

• Opioid Addiction Cases