Massachusetts Court System
The Massachusetts court system consists of the Supreme Judicial Court, the Appeals Court, the Executive Office of the Trial Court, the seven Trial Court departments, the Office of the Commissioner of Probation, and the Office of Jury Commissioner. Learn more about the courts.

Massachusetts Trial Court Law Libraries
Laws by Subject, Laws by Source, Databases, Catalog, Regulations and Cases, and other library services.

Middlesex County District Attorney's Office
The Middlesex District Attorney’s Office serves the largest county in New England, covering 54 diverse cities and towns. We prosecute more than 35,000 cases a year in 12 district courts, 4 juvenile courts, and 2 superior courts.

Thier web site is designed to provide you with complete and updated information about thier services, programs, office news, resources and key contacts.

Board of Bar Overseers
The Registration Department was established in 1974 as the administrative division responsible for attorney compliance with Rule 4:02 and Rule 4:03, which govern the annual registration of every attorney admitted to, or engaging in, the practice of law in this Commonwealth.

Middlesex County Sheriff's Department
The Middlesex Sheriff’s Office, established in 1692, is one of the oldest law enforcement agencies in the United States. Entrusted with full law enforcement capabilities, the Middlesex Sheriff’s Office provides care, custody and control of both sentenced inmates and pre-trial detainees. These functions are carried out at the Middlesex House of Correction and Jail in Billerica. Additionally, the Middlesex Sheriff’s Office operates the Sheriff’s Office of Civil Process, the Lowell Community Counseling Center and numerous community service and crime prevention programs.