Joseph G. Mattson

Joseph G. Mattson is a shareholder at Devine, Millimet & Branch, P.A. in Manchester, New Hampshire. He represents clients in contested matters involving healthcare, insurance defense, medical malpractice, professional liability, municipal liability, personal injury and property damage, and regulatory compliance lawsuits and disputes. His clients have included hospitals, physicians, nurses, lawyers, accountants, real estate professionals, businesses, restaurants, and landowners. He also represents professionals and organizations before state and federal administrative bodies.

Mattson earned a JD, magna cum laude, from Franklin Pierce Law Center, now the University of New Hampshire Franklin Pierce School of Law, in 2009. He received a BA in History, summa cum laude, from Plymouth State University in 2005. His academic work included the Yacos Prize for exceptional merit in commercial law. That foundation supports a litigation practice involving professional standards, insurance issues, healthcare regulation, and complex factual disputes.

Mattson helps clients manage active litigation and works to prevent future disputes when early advice can reduce risk. His practice includes defending healthcare providers and other professionals in malpractice and liability claims, handling insurance matters, and responding to regulatory or administrative proceedings. He draws on experience with a wide variety of industries and fact patterns to identify legal and operational concerns. He also works with repeat clients to address problems before they develop into formal litigation.

Joseph G. Mattson serves as President of the Northern New England Society for Healthcare Risk Management. He has received Super Lawyers recognition as a top-rated medical malpractice attorney and was previously named a New England Rising Star. He has also been included in The Best Lawyers in America for Insurance Law and Medical Malpractice Law – Defendants. His practice combines litigation, risk management, and healthcare knowledge to support clients facing high-stakes professional disputes.

Law Office Affiliations

• Shareholder, Devine, Millimet & Branch, P.A.
• Member, New Hampshire Bar Association
• President, Northern New England Society for Healthcare Risk Management

Licensed State

• New Hampshire

Education

• Franklin Pierce Law Center (now UNH Franklin Pierce School of Law)
  Juris Doctor (JD) (Magna Cum Laude)
• Plymouth State University
  Bachelor of Arts (BA) in History (Summa Cum Laude)

Awards & Badges