Justin Paul Hayes

Justin Paul Hayes is a Nashua criminal defense attorney and the founder of Hayes Law Firm PLLC. He represents people facing criminal charges and investigations, including DWI, drug offenses, juvenile matters, and requests for annulment. His practice emphasizes direct attorney involvement, factual investigation, and careful review of the prosecution’s evidence. He handles cases ranging from lower-level accusations to serious felony matters, helping clients understand the charges, possible consequences, court process, and defense options available under New Hampshire law.

Hayes earned a B.A. in History from Connecticut College and graduated cum laude from Suffolk University Law School. During law school, he worked with the Rhode Island Public Defender, gaining early experience in criminal defense. His legal education and public defense training developed skills in research, writing, client counseling, evidence review, and courtroom advocacy. Those skills support his work identifying disputed facts, assessing police and witness evidence, preparing motions, and explaining legal issues to clients facing stressful and consequential criminal proceedings.

Hayes joined the New Hampshire Public Defender in Nashua after law school and spent nearly a decade representing indigent defendants. He later worked for two years at Boston law firms on intellectual property litigation, including patent disputes involving smartphone and speech-recognition technology. He returned to criminal defense and opened his Nashua firm in 2013. His criminal case experience has included matters ranging from disorderly conduct and juvenile criminal mischief to first-degree murder, giving him exposure to cases with widely different factual and legal demands.

Justin Paul Hayes brings public defender experience, complex civil litigation exposure, and private criminal defense practice to clients in Nashua and throughout New Hampshire. His background allows him to approach criminal cases with attention to investigation, evidence, procedural rights, and trial preparation. He works directly with clients to assess the government’s case, develop defenses, and address immediate concerns such as court appearances and release conditions while keeping the longer-term effects of a criminal charge in view throughout the representation.

Law Office Affiliations

• Attorney, Hayes Law, PLLC
• Member, Massachusetts Bar Association
• Member, New Hampshire Bar Association
• Member, Massachusetts and Boston Bar Association

Licensed State

• Massachusetts
• New Hampshire

Education

• Suffolk University Law School
  Juris Doctor (JD) (Cum Laude)
• Connecticut College
  Bachelor of Science (BS) in History

Awards & Badges