Michael M. Lonergan is a trial lawyer who handles a variety of complex matters, including commercial and corporate litigation, arbitration and mediation, bodily injury claims (e.g., products, electrocution, aviation, and auto); construction litigation (e.g., building, heavy construction and professional liability); property claims (e.g., first party fire loss); probate litigation; and professional liability claims (e.g., legal malpractice, errors and omissions, directors and officers). He is Leader of Sulloway’s General Litigation Group. Mr. Lonergan provides the litigation support for New Hampshire’s largest utility.

Mr. Lonergan is a member of the State and Federal bars, the Defense Research Institute, the Northern New England Defense Counsel, and the N.H. Trial Lawyers Association. Mr. Lonergan was elected to the Federation of Defense and Corporate Counsel in 1982. He has lectured on trial practice to various bar groups within the State of New Hampshire and has also served on the New Hampshire Bar Association’s Ethics Committee, the New Hampshire Bar Association’s Committee on Cooperation with the Courts, the New Hampshire Bar Association’s Alternative Dispute Resolution Section, and the New Hampshire Bar Association’s Continuing Legal Education Committee.

Mr. Lonergan has extensive experience in alternative dispute resolution and serves as a private mediator and arbitrator. He has completed the Harvard Law School Advanced Mediation Workshop and was appointed to the Federal Court Mediation Panel in 1998 and the New Hampshire Probate Court Mediation Panel in 2002.

Mr. Lonergan graduated from Yale University in 1966 and from Cornell University Law School in 1969.

Mr. Lonergan is included in The Best Lawyers In America in Alternative Dispute Resolution and Personal Injury Litigation categories and is AV rated in Martindale-Hubbell.

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