William O. Monahan

Top rated Insurance Coverage attorney in Boston, Massachusetts

Monahan & Associates PC
William O. Monahan
Monahan & Associates PC

Practice Areas: Insurance Coverage, Civil Litigation, General Litigation; view more

Licensed in Massachusetts since: 1984

Education: Suffolk University Law School

Selected to Super Lawyers: 2021 - 2023

Monahan & Associates PC

113 Union Wharf East
Boston, MA 02109 Visit website


William O. Monahan is the principal attorney at Monahan & Associates, P.C. Based in Boston, he handles complex civil litigation cases and provides representation to clients in the greater metropolitan area and throughout Massachusetts.

A significant portion of Mr. Monahan’s practice involves his representation of insurance companies. He defends them against claims from their policyholders, including allegations of bad faith and other coverage disputes, and he has handled these cases in bench and jury trial proceedings as well as at the appellate level. Mr. Monahan also defends liability insurance companies as well as their policyholders against claims that have been filed by third parties, including cases involving premises liability, motor vehicle accidents, toxic damage, animal bites, and fires.

Mr. Monahan’s insurance practice additionally encompasses subrogation issues, in which he assists his insurance company clients to lessen the impact of claims losses that they have incurred by seeking appropriate compensation from the parties that should bear responsibility. He has also handled a variety of general business litigation cases unrelated to insurance law, including contract disputes, and he has represented insurance adjusters who are facing professional negligence allegations.

Mr. Monahan majored in criminal justice and business at Northeastern University and received a Bachelor of Science in 1980. He then obtained his legal education at Suffolk Law School, graduating cum laude in 1984. Prior to entering private practice in 1986, he was an investigator and then, upon getting his law degree, an assistant district attorney with the Suffolk County District Attorney’s Office. Admitted to practice in both Massachusetts and Rhode Island, Mr. Monahan is also admitted to practice before the U.S. District Court for the District of Massachusetts, the U.S. District Court for the District of Rhode Island, the U.S. Court of Appeals for the 1st Circuit, and the Supreme Court of the United States.

Practice areas

Insurance Coverage, Civil Litigation: Plaintiff, General Litigation

Focus areas

Insurance Defense

  • 80% Insurance Coverage
  • 10% Civil Litigation: Plaintiff
  • 10% General Litigation

First Admitted: 1984, Massachusetts

Professional Webpage: https://www.monahanlaw.net/attorneys/

Bar/Professional Activity:
  • Massachusetts, 1984
  • Property Loss Research Bureau
  • American Bar Association
  • Member, Property & Liability Resource Bureau
  • Member, Defense Research Institute
  • Member, Rhode Island Bar Association
  • Member, Massachusetts Bar Association
  • U.S. Supreme Court, 1993
  • U.S. First Circuit Court, 2001
  • U.S. District Court of Rhode Island, 2008
  • U.S. District Court of Massachusetts, 1984
  • Rhode Island, 1986
Educational Background:
  • Northeastern University, B.S. in Major Criminal Justice/Business, 1980

Office location for William O. Monahan

113 Union Wharf East
Boston, MA 02109

Phone: 617-618-6800


3 Years Super Lawyers
  • Super Lawyers: 2021 - 2023

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