Law Office of John P. Warren, P.C.

John P. Warren is a criminal defense attorney in Boston who handles cases throughout Massachusetts, including Suffolk, Middlesex, Bristol, Norfolk, Plymouth, and Worcester counties. He represents clients at every stage of a criminal case, from arraignment through trial.

Before opening his own firm in 2018, Warren spent six years as a public defender with the Committee for Public Counsel Services, handling hundreds of cases ranging from armed robbery to OUI. He was named one of the Massachusetts Lawyers of the Year in 2020 by Massachusetts Lawyers Weekly for his work on Commonwealth v. Long. Warren is a Northeastern University School of Law graduate and a Super Lawyers Rising Star (2019–2022).