Ryan P. Lirette

Ryan P. Lirette is a Shareholder and litigation attorney at Sheehan Phinney in Portsmouth, New Hampshire. He represents closely held businesses, municipalities, and institutional clients in high-stakes commercial disputes across New Hampshire and Massachusetts. His practice includes business litigation, complex litigation, investment fraud, contract and corporate disputes, employment matters, and bankruptcy-related litigation. He brings more than thirteen years of litigation experience to matters involving significant financial and operational issues.

Ryan earned a J.D. from Boston University, where he was a G. Joseph Tauro Scholar after placing in the top ten percent during his first year. He received a B.A., summa cum laude, from the University of New Hampshire. His academic background supports careful legal research, persuasive writing, and detailed analysis of financial and technical disputes that require clear presentation to courts, regulators, business owners, and institutional decision-makers.

Ryan is a former federal law clerk and an AmLaw 100-trained litigator. He handles complex commercial disputes through motion practice, courtroom advocacy, arbitration-related work, and strategic case management. He represents parties before the New Hampshire Public Utilities Commission in ratemaking disputes, asset transfer approvals, and related proceedings. His experience includes translating complex financial and technical material into focused arguments that support clients facing consequential business, regulatory, and litigation decisions.

Ryan P. Lirette is admitted in New Hampshire and Massachusetts and before the US District Courts for both states. His professional work combines commercial litigation strategy with regulatory knowledge and experience representing businesses and public entities. He has participated in Leadership Seacoast and has written on arbitration, business-owner disputes, federal cannabis law, and tax issues. His practice centers on helping clients evaluate risk, respond to disputes, and protect important commercial interests.

Law Office Affiliations

• Shareholder, Sheehan Phinney
• Member, New Hampshire Bar Association
• Member, Massachusetts Bar Association
• Member, Leadership Seacoast (Class of 2022)

Licensed State

• New Hampshire
• Massachusetts

Education

• Boston University
  Juris Doctor (JD)
• University of New Hampshire
  Bachelor of Arts (BA)

Awards & Badges