Judge McGuire has the experience, persistence and people skills to help you successfully resolve your disputes.

During more than twenty years as a New Hampshire Superior Court judge, Kathleen McGuire presided over thousands of civil cases including complex commercial, medical malpractice, contract, land use, employment, personal injury, construction, and tax abatement cases. Notable among those cases was the liquidation of the Home Insurance and the US International Reinsurance Companies, one of the five largest liquidations in United States history. Judge McGuire also presided over Tuttle v. State of New Hampshire, in which the petitioners, health care providers insured by the Medical Malpractice Joint Underwriting Association (JUA), challenged the constitutionality of a statute requiring the JUA to transfer $110 million from the JUA to the state’s general funds.

Since her retirement, Judge McGuire has successfully mediated over two hundred cases and has arbitrated numerous others, mainly for the American Arbitration Association. She has also successfully mediated many cases on appeal to the New Hampshire Supreme Court through Supreme Court Rule 12-A.



Judge McGuire has successfully mediated a wide range of cases reflect the types she presided over as a general jurisdiction trial judge for over 10 years. These have included commercial, contract, tax abatement, personal injury, consumer protection, property, employment, and construction cases. She also regularly mediates cases for the New Hampshire Supreme Court.

Learn More


Judge McGuire regularly arbitrates cases for the American Arbitration Association. These include conflict disputes for a variety of business including the health care industry.

Learn More

About Judge McGuire

Experienced Mediator and Arbitrator in New Hampshire

Professional Experience

New Hampshire Superior Court

Senior Associate Justice 2010-2015
Associate Justice 1989-2010

  • Extensive experience conducting thousands of judicial proceedings, evaluating volumes of evidence, and producing fair and impartial decisions.
  • Demonstrated capacity for analyzing pertinent and significant facts and issues related to complex commercial, land use, tort, tax, employment, and contract disputes.
  • Established precedent-making decisions that have been upheld by New Hampshire Supreme Court.
  • Extensive administrative experience as supervisory judge of two county courthouses.

New Hampshire Office of Attorney General

Assistant Attorney General 1985-1989
Chief of Criminal Bureau 1988-1989

  • Responsible for all homicide prosecutions and criminal appeals in New Hampshire affording extensive trial and appellate experience.

New Hampshire Supreme Court

Judicial Law Clerk 1984-1985

  • Researched and drafted opinions for publication by New Hampshire Supreme Court.