Sean T. O’Connell

Shareholder / Director
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Sean has been with Shaheen & Gordon for more than 20 years and has successfully represented many individuals and businesses in both transactional matters and in litigation. He has significant experience in guiding clients through the purchase and sales of businesses, business acquisition, entity selection and creation as well as corporate dissolution. Sean has expertise in drafting, defending and challenging non-compete and other restrictive covenants.

Sean’s experience, expertise and understanding of the needs of business has served his clients well. He is known for his frank and straightforward style, and he is focused on reaching efficient, fair and reasonable outcomes for all his clients.

Sean is a native of Durham, New Hampshire and received his B.A. in Political Science from the University of New Hampshire in 1987 and then went on to compete in the United States National Rowing Team for several years. Sean received his Juris Doctorate from the University of New Hampshire Law School (formerly Franklin Pierce Law Center) in 1995.

Sean recently successfully represented a client in the specialty foods business in an acquisition of a competitor valued at over $20M. Sean also represented a high tech client with Attorney Karyn Forbes in a software theft matter and just recently represented a client in a successful settlement of a tradename dispute.


  • Member of the New Hampshire Bar
  • Member of the Maine Bar
  • Member of the U.S. District Court for the District of New Hampshire
  • Member of the U.S. District Court for the District of Maine
  • Member of the U.S. First Circuit Court of Appeals

Professional Associations and Memberships

  • Children’s Museum of New Hampshire – Past Chair and Board of Directors
  • Great Bay Rowing – Founder and Board Member
  • Strafford County Bar Association – Former President


  • B.A. University of New Hampshire, 1987
  • University of New Hampshire School of Law (formerly Franklin Pierce Law Center, 1995)
  • Associate, Shaheen & Gordon, P.A., 1996-2003
  • Director, Shaheen & Gordon, P.A., 2003-2007
  • Shareholder, Shaheen & Gordon, P.A. 2007-present

Our Distinguishing Awards & Honors