Founder and managing partner of litigation law firm based in Burlington, Massachusetts. Substantial trial experience. In addition to being listed in Best Lawyers in America, Trusts and Estates Litigation since 2016, Mr. Carnathan has long been rated Preeminent by Martindale Hubbell and has been a Boston Magazine “Super Lawyer” every year since 2008.
Lawyer Profile

Sean T. Carnathan
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Recognized Since:2016
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Recognized in:Litigation - Trusts and Estates
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Law School:University of Maine
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Website:
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E-mail:
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Location:One Van de Graaff Drive, Suite 104Burlington, MA 01803
Lawyer Bio
Education:
- University of Maine, J.D., graduated 1993
- Bowdoin College, AB, graduated 1986
Bar Admissions:
- Maine, 1993
- Massachusetts, 1997
- New Hampshire, 2014
Affiliations:
- Massachusetts Board of Bar Overseers - Hearing Officer
- O'Connor, Carnathan and Mack LLC - Managing Partner
Recognized in The Best Lawyers in America for work in:
- Litigation - Trusts and Estates
Awards:
- Massachusetts Super Lawyers, 2008-Date
State Clerkships:
- Maine - Supreme Court
Lawyer Client Comments
"Sean Carnathan takes an innovative approach to litigation that sets him apart from other lawyers. He is highly focused on achieving the best outcomes for his clients, and takes the time to ensure that his clients remain informed throughout the process. "
Dawn Irish, Chelmsford
Firm Details
O'Connor, Carnathan, and Mack LLC
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Office Location
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