SC 10YEARSAWARDED

Sean T. Carnathan

recognized lawyers icon Recognized in Best Lawyers since 2016
Awarded Practice Areas
Insurance Law Litigation - Insurance Litigation - Trusts and Estates
SC
Sean T. Carnathan
Burlington, MA
Works at
O'Connor, Carnathan, and Mack LLC

1 Best Lawyers award

O'Connor, Carnathan, and Mack LLC logo

Biography

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.

Works at
O'Connor, Carnathan, and Mack LLC

1 Best Lawyers award

O'Connor, Carnathan, and Mack LLC logo

Locations

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

State Clerkships

  • Maine - Supreme Court

Client Testimonials

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, MA

Awards & Focus

Recognized in The Best Lawyers in America® 2027 for work in:
  • Insurance Law
  • Litigation - Insurance
  • Litigation - Trusts and Estates
Additional Areas of Practice:
  • Business Organizations (including LLCs and Partnerships)
  • Commercial Finance Law
  • Commercial Litigation
  • Litigation - Bankruptcy
  • Product Liability Litigation - Defendants
Awards:
  • Massachusetts Super Lawyers, 2008-Date

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