Anthony Antonellis
Senior Partner
Office: 617-523-6010
Direct: 857-321-7007
New England Subrogation: (603) 310-5085
Fax: 617-227-0927

Anthony J. Antonellis is a Senior Partner at Sloane and Walsh. Anthony focuses his practice on the representation of individuals, insurers, insureds, and businesses engaged in civil litigation before State and Federal Trial Courts throughout the United States. He is a graduate of Wesleyan University (Middletown, CT) and Suffolk University Law School (Boston, MA), and is admitted to multiple Bars. Prior to joining Sloane and Walsh, Anthony was a trial attorney on active duty with the United States Navy and also served as a Special Assistant United States Attorney for the Eastern District of Virginia. He was awarded the United States Department of Justice Award for Meritorious Public Service, Navy & Marine Corps Achievement Medal, Navy & Marine Corps Commendation Medal, and the National Defense Service Medal.

The focus of Mr. Antonellis’ practice revolves around insurance dispute law involving large commercial property losses, personal property losses, subrogation law, insurance coverage disputes, insurance bad faith law, litigation involving environmental and municipal law, construction defects, fires, explosions, electrocutions, large water losses, construction accidents, products liability litigation, worker safety litigation, property damage and personal injury. Mr. Antonellis also serves as counsel in Reference and Appraisal matters, has served as an Umpire, Appraiser, and Referee. Mr. Antonellis serves as Insurance Claims Counsel and Insurance Coverage Counsel to multiple insurers and businesses. Mr. Antonellis has also worked in the insurance industry and construction industry.  

  • Insurance Dispute Law, Insurance Coverage & Bad Faith
  • Property Insurance Law
  • Subrogation Law
  • Professional Liability Defense
  • Product Liability Defense
  • Construction Defect Law & Construction Law
  • Environmental Law & Toxic Tort Law
  • Automobile & Trucking Law
  • General Liability Litigation
  • Class Action Defense
  • Institutional & Corporate Counseling
  • Complex Civil & Business Litigation
  • COVID-19 Claims and Issues
  • Nursing Home Defense
  • Fire and Explosion Liability
  • Appraisal and Reference Law Examination Under Oath,
  • Massachusetts, 1990
  • Connecticut
  • New Hampshire
  • U.S. District Court of Massachusetts
  • U.S. District Court of Connecticut
  • U.S. District Court of New Hampshire
  • U.S. District Court of Colorado
  • U.S. District Court of Virgin Islands
  • U.S. Court of Appeals 1st Circuit
  • U.S. Court of Appeals 2nd Circuit
  • U.S. Court of Appeals 4th Circuit
  • U.S. Court of Federal Claims

Suffolk University Law School, Boston, Massachusetts
J.D. – 1991

Wesleyan University, Middletown, Connecticut
B.A. – 1986

Boston Magazine List of Top Lawyers
New England Business SuperLawyer, Insurance Coverage
Massachusetts SuperLawyer
New England SuperLawyer
United States Department of Justice Award
Navy & Marine Corps Achievement Medal
Navy & Marine Corps Commendation Medal
National Defense Service Medal

CPCU Society, Rhode Island Chapter

National Association of Subrogation Professionals

Property Liability Resource Bureau (PLRB)

Massachusetts Bar Association

Connecticut Bar Association

New Hampshire Bar Association

Boston Bar Association

National Fire Protection Association


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