John Gillen Law Office

The Law Office of Attorney John Gillen is a legal practice primarily focused on litigation, serving clients in New Hampshire and Massachusetts. The firm concentrates on personal injury, criminal defense, business litigation, and real estate matters. Attorney Gillen brings over 29 years of trial and litigation experience, having handled numerous civil and criminal cases in District, Superior, and Federal Courts across both states.

The firm's personal injury practice includes cases involving wrongful death, automobile and motorcycle accidents, premises liability, defective products, and nursing home negligence. In criminal defense, Attorney Gillen represents clients facing felonies and misdemeanors, motor vehicle crimes, and assault charges. The business litigation practice addresses contract disputes, non-compete agreements, and consumer protection issues. For real estate, the firm handles purchase and sale agreements, residential closings, foreclosures, and landlord/tenant matters.

Attorney Gillen is a former Assistant District Attorney for Essex County, Massachusetts, and has served as a Conciliator in the Essex County Superior Court. He is also an approved Mediator for the Essex County Bar Association and a Title Insurance Agent. He is admitted to practice in Massachusetts (1978) and New Hampshire (1984), as well as their respective federal district courts. The firm's office is located in Hampton, New Hampshire.