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Michael P. Duffy

Member

mduffy@harrisbeachmurtha.com
D: (617) 951-2002  
- Boston, MA – Federal Reserve Office
- Providence, RI Office

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Michael Duffy
Profile
Representative Matters
Resources
Distinctions

Mike serves as coverage and monitoring counsel for major insurers. He also represents insurers in coverage disputes and litigation, primarily involving directors and officers’ liability, professional liability and other financial lines insurance policies.

Mike’s practice also includes general civil litigation, with an emphasis on the defense of professional liability claims. He has represented numerous professionals, including attorneys and financial institution directors and officers.

Mike served as Managing Partner of a previous firm from 2002 to 2012.

  • Navigators Insurance Co., et al. v. Under Armour, Inc., 165 F.4th 171 (4th Cir. 2026)
  • Bell Canyon Association, Inc. v. Ironshore Indemnity Co., 2023 WL 6784356 (9th Cir. Oct. 13, 2023)
  • XL Specialty Ins. Co., et al. v. AR Capital, LLC, 2021 WL 353853  (N.Y. Sup. Ct. Feb. 2, 2021)
  • Springstone, Inc. v. Hiscox Insurance Co., 2021 WL 4240779 (6th Cir. Sept. 17, 2021)
  • Day Kimball Healthcare, Inc. v. Allied World Surplus Lines Ins. Co. et al., 857 Fed.Appx. 685 (2nd Cir. 2021)
  • Crowley Maritime Corporation v. National Union Fire Insurance Company of Pittsburgh, Pa., 931 F.3d 1112 (11th Cir. 2019).
  • The Talbots, Inc. v. AIG Specialty Insurance Company, 283 F.Supp.3d 8 (D.Mass. 2017).
  • Welch Foods, Inc. v. National Union Fire Insurance Company of Pittsburgh, Pa., 659 F.3d 191 (1st Cir. 2011).
  • Pielech v. Massachusetts Greyhound, Inc. 47 Mass. App. Ct. 332 (1999).
  • Flynn v. New England Insurance Company, Inc., 1998 WL 150384 (Mass.Sup.Ct., Mar. 16, 1998).
  • American Insurance Company v. Donatelli Construction Co., Inc., 713 A.2d 237 (R.I. 1998).
  • International Union of Operating Engineers, Local 57 v. Seabord Surety Co., 946 F. Supp. 141 (D.R.I. 1996).
  • DeBourgkneckt v. Cianci, et al., 846 F. Supp 1057 (D.R.I. 1994).
  • Westcott Construction Co. v. Fireman’s Fund Ins. Co., 996 F. 2d 14 (1st Cir. 1993).
  • Commercial Union Ins. Co. v. Gilbane Building Co., 992 F. 2d 386 (1st Cir. 1993).
  • Seguin v. Planning Bd. of Upton, 33 Mass. App. Ct. 374 (1992).
  • JSA, Inc. v. Pinewood Manor, 755 F. Supp. 458 (D. Me. 1991).
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External Publications

Contributing author, “Recent Developments in the Law Affecting Professionals, Directors and Officers,” Tort and Insurance Law Journal, v. 38, n. 2 (Winter 2003)

Contributing author, “Recent Developments in the Law Affecting Professionals, Directors and Officers,” Tort and Insurance Law Journal, v. 37, n. 2 (Winter 2002)

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Professional and Civic

  • Rhode Island Bar Association, member
  • Massachusetts Bar Association, member
  • American Bar Association, member
  • Boston Bar Association, Insurance Law Committee, co-chair, 2005-2007
  • Upton, Massachusetts, Town counsel, 1984-1992

Recognition

  • Best Lawyers, Insurance Law, since 2009
  • Super Lawyers, Insurance Coverage, 2004-2007; 2009-2017; 2021; 2023-2024
Admissions
MassachusettsRhode IslandU.S. Court of Appeals, First CircuitU.S. Court of Appeals, Fourth CircuitU.S. Court of Appeals, Ninth CircuitU.S. Court of Appeals, Second CircuitU.S. Court of Appeals, Sixth CircuitU.S. District Court, District of MassachusettsU.S. District Court, District of Rhode Island
Education

Harvard Law School

JD 
1982
cum laude

University of Rhode Island

BA 
1979

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Legal Practices

Member of:

Coverage
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Michael Duffy

Michael P. Duffy

Member

mduffy@harrisbeachmurtha.com
Capabilities
People
Harris Beach Murtha Attorneys at Law
Michael Duffy

Michael P. Duffy

mduffy@harrisbeachmurtha.com
D: (617) 951-2002
Boston, MA - Federal Reserve Office
Providence, RI Office

Profile

Mike serves as coverage and monitoring counsel for major insurers. He also represents insurers in coverage disputes and litigation, primarily involving directors and officers’ liability, professional liability and other financial lines insurance policies.

Mike’s practice also includes general civil litigation, with an emphasis on the defense of professional liability claims. He has represented numerous professionals, including attorneys and financial institution directors and officers.

Mike served as Managing Partner of a previous firm from 2002 to 2012.

Areas of Expertise

Legal Practices

Member of:

Coverage
Please select listing to show.

Admissions

MassachusettsRhode IslandU.S. Court of Appeals, First CircuitU.S. Court of Appeals, Fourth CircuitU.S. Court of Appeals, Ninth CircuitU.S. Court of Appeals, Second CircuitU.S. Court of Appeals, Sixth CircuitU.S. District Court, District of MassachusettsU.S. District Court, District of Rhode Island

Representative Matters

  • Navigators Insurance Co., et al. v. Under Armour, Inc., 165 F.4th 171 (4th Cir. 2026)
  • Bell Canyon Association, Inc. v. Ironshore Indemnity Co., 2023 WL 6784356 (9th Cir. Oct. 13, 2023)
  • XL Specialty Ins. Co., et al. v. AR Capital, LLC, 2021 WL 353853  (N.Y. Sup. Ct. Feb. 2, 2021)
  • Springstone, Inc. v. Hiscox Insurance Co., 2021 WL 4240779 (6th Cir. Sept. 17, 2021)
  • Day Kimball Healthcare, Inc. v. Allied World Surplus Lines Ins. Co. et al., 857 Fed.Appx. 685 (2nd Cir. 2021)
  • Crowley Maritime Corporation v. National Union Fire Insurance Company of Pittsburgh, Pa., 931 F.3d 1112 (11th Cir. 2019).
  • The Talbots, Inc. v. AIG Specialty Insurance Company, 283 F.Supp.3d 8 (D.Mass. 2017).
  • Welch Foods, Inc. v. National Union Fire Insurance Company of Pittsburgh, Pa., 659 F.3d 191 (1st Cir. 2011).
  • Pielech v. Massachusetts Greyhound, Inc. 47 Mass. App. Ct. 332 (1999).
  • Flynn v. New England Insurance Company, Inc., 1998 WL 150384 (Mass.Sup.Ct., Mar. 16, 1998).
  • American Insurance Company v. Donatelli Construction Co., Inc., 713 A.2d 237 (R.I. 1998).
  • International Union of Operating Engineers, Local 57 v. Seabord Surety Co., 946 F. Supp. 141 (D.R.I. 1996).
  • DeBourgkneckt v. Cianci, et al., 846 F. Supp 1057 (D.R.I. 1994).
  • Westcott Construction Co. v. Fireman’s Fund Ins. Co., 996 F. 2d 14 (1st Cir. 1993).
  • Commercial Union Ins. Co. v. Gilbane Building Co., 992 F. 2d 386 (1st Cir. 1993).
  • Seguin v. Planning Bd. of Upton, 33 Mass. App. Ct. 374 (1992).
  • JSA, Inc. v. Pinewood Manor, 755 F. Supp. 458 (D. Me. 1991).

Distinctions

Professional and Civic

  • Rhode Island Bar Association, member
  • Massachusetts Bar Association, member
  • American Bar Association, member
  • Boston Bar Association, Insurance Law Committee, co-chair, 2005-2007
  • Upton, Massachusetts, Town counsel, 1984-1992

Recognition

  • Best Lawyers, Insurance Law, since 2009
  • Super Lawyers, Insurance Coverage, 2004-2007; 2009-2017; 2021; 2023-2024
Attorney Advertising. Prior results do not guarantee a similar outcome. © 2026 Harris Beach Murtha Cullina PLLC
Content current as of September 7, 2026 10:53 pm