John A. Donovan III
Senior Partner

Office: 617-523-6010
Direct: 857-321-7005
Fax: 617-227-0927

Attorney John Donovan is a senior partner at Sloane and Walsh, LLP where a significant portion of his practice is devoted to complex corporate and tort litigation. He is a graduate of Kenyon College in Gambier, Ohio and Suffolk University Law School in Boston, Massachusetts.

Mr. Donovan works with corporations and individuals to resolve complicated legal issues. He has tried numerous high exposure jury trials in state and federal court. His trials have included a wide spectrum of civil disputes with emphasis on professional liability, corporate litigation, general liability, employment practice liability, subrogation, construction defect, bad faith liability as well as insurance coverage litigation. He has extensive experience representing healthcare providers, institutions and practice groups.

Attorney Donovan also focuses on health information privacy issues and matters involving violations of HIPAA and/or data privacy laws. He regularly advises clients on privacy and data security compliance and the preparation/implementation of privacy and data security policies.

Mr. Donovan serves as counsel for several institutions and corporations, including, the National Football League. He also serves as national counsel for several insurance companies and advises insurers on issues relating to commercial and personal lines.

Attorney Donovan has argued appellate cases before the United States Court of Appeals for the First Circuit and the Massachusetts Appeals Court.

Mr. Donovan is a member of multiple state bar associations as well as a long time affiliate member of the Defense Research Institute and the National Association of Subrogation Professionals. He has extensive teaching experience and has spoken at multiple industry specific events on relevant legal matters. He has been a frequent speaker and panelist on topics relating to healthcare, employment and insurance law.

  • Insurance Dispute Law, Insurance Coverage & Bad Faith
  • Property Insurance Law
  • Subrogation Law
  • Professional Liability Defense
  • Medical Malpractice Defense
  • Product Liability Defense
  • Construction Defect Law & Construction Law
  • Environmental Law & Toxic Tort Law
  • Automobile & Trucking Law
  • HIPAA, Health Care, Data Breach & Privacy
  • Employment Law Defense
  • 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, Insurance Dispute Law
  • Massachusetts
  • Rhode Island
  • New Hampshire
  • District of Columbia
  • Connecticut
  • U.S. District Court District of Massachusetts
  • U.S. District Court District of Rhode Island
  • U.S. District Court District of New Hampshire
  • U.S. District Court District of Connecticut
  • U.S. Court of Appeals 1st Circuit
  • U.S. Court of Appeals 2nd Circuit


Suffolk University Law School, Boston, Massachusetts
J.D. (Cum Laude) – 1995

Kenyon College, Gambier, Ohio
B.A. – 1992

Massachusetts Super Lawyer, 2018
Boston Magazine Rising Star 2006, 2007

University Risk Management & Insurance Association
Massachusetts Bar Association
Rhode Island Bar Association
New Hampshire Bar Association
District of Columbia Bar Association
Defense Research Institute
Massachusetts Defense Lawyers Association
Claims & Litigation Management

Amica Mutual Insurance Co. v. BMW of North America, 582 F. Supp. 3d 73 (2022), aff’d, 2023 U.S. App. LEXIS 10401 (2nd Cir. 2023)

Am. European Ins. Grp. V. NEI Gen. Contr., 2023 U.S. Dist. LEXIS (D. Mass 2023)

Klass v. Liberty Mutual Ins. Co., 341 Conn. 735 (Conn. 2022)

Antoniadis v. Basnight, 99 Mass. App. Ct. 172 (2021)

Cox v. Brand 44, LLC, 2015 U.S. Dist. LEXIS 143120 (D. Mass 2015)

Massachusetts Property Ins. Underwriting Association v. Berry, 80 Mass. App. Ct. 598 (2011)

Tuli v. Brigham & Women’s Hospital, 656 F.3d 33, 2st Cir. (2011)

Porter v. AMICA Mutual Insurance Company, 789 F. Supp. 284 (2011)

Public Service Mutual Ins. Co. v. Capitol Transamerica Corp, 756 F. Supp. 2d 920 (N.D. Illinois 2010)

Wagenmaker v. AMICA Mutual Insurance Company, 601 F. Supp. 2d 411 (Rhode Island 2009)

Fine v. Huygens, DiMella, Shaffer & Associates, 57 Mass. App. Ct. 397 (2003)

Hartford Fire Ins. Co. v. Rhode Island Pub. Trans. Auth, 233 F.3d 127 (1st Cir. 2001)


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