A seasoned litigator, William Gildea concentrates his civil litigation practice on representing clients in a wide variety of disputes across multiple industries.
Mr. Gildea has represented individuals, corporations, manufacturers, long-term care facilities, and insurers in a variety of matters, including claims involving employment discrimination, catastrophic tort, professional malpractice, and contract disputes.
Achieved a significant victory on behalf of client Shannon O’Brien, securing a Superior Court ruling that overturned her removal as Chair of the Massachusetts Cannabis Control Commission (CCC).
Obtaining an arbitration award against claims alleging breach of contract and indemnification
Had a substantial role in obtaining a defense jury verdict following a 10-day medical malpractice/wrongful death trial
Securing a defense verdict in a state District Court bench trial involving an insurance coverage dispute
Persuading a judge to grant summary judgment for a public insurance adjusting firm dismissing claims alleging violation of the Massachusetts consumer protection statute (M.G.L. c. 93A) and professional negligence
Named "Lawyer of the Year" by Massachusetts Lawyers Weekly (2025)
Named to Best Lawyers in America: Ones to Watch for Insurance Law (2021-present); Personal Injury Litigation – Defense (2021-present), Litigation – Construction (2023-present); Commercial Litigation (2024-present)
Named by Super Lawyers as a Massachusetts Rising Star for General Litigation, Business Litigation, and Criminal Defense: White-Collar (2022-present)
