Michael T. Sullivan is a trial and appellate litigator with over 25 years of experience successfully advocating for clients in major cases and numerous jurisdictions. His practice focuses on construction and real estate disputes, professional liability, and business litigation; and, he is a frequent author and seminar panelist in these areas. Michael is firmly committed to understanding the unique needs of his clients and working efficiently to find creative and practical solutions to their legal problems.

Michael was named a member of the Fellowship of the Construction Lawyers Society of America in November 2021.  The Construction Lawyers Fellowship is an invitation-only, selective and limited membership international association of the world’s best construction lawyers. The composition of the CLSA is aggressively diverse, with recognition of deserving, experienced and highly qualified lawyers across all practices relating to the construction industry.

Michael also holds the AV® Preeminent™ rating, the highest peer-reviewed rating from Martindale–Hubbell, given to attorneys who display exceptional legal skills and ethical conduct. He has been named a Massachusetts Super Lawyer, and as one of U.S. News and World Report’s “Best Lawyers in America,” over the past several years. Michael is a member of the Massachusetts, Boston, Rhode Island, and Essex County bar associations, and he served as the long-time chairman of the Zoning Board of Appeals in the town of Manchester-by-the-Sea, where he lives with his wife and two daughters.


CLSA Fellow


  • Columbus School of Law, Catholic University of America, J.D.  (1992)
  • Catholic University of America, B.A. (1989)

Bar Admissions

  • United States District Court for the District of Massachusetts
  • United States District Court for the District of Rhode Island
  • United States Court of Appeals for the First Circuit
  • United States Supreme Court
  • Supreme Judicial Court of Massachusetts

Memberships & Affiliations

  • Boston Bar Association
  • Massachusetts Bar Association
  • Rhode Island Bar Association
  • Essex County Bar Association