Attorneys Bryanna K. Devonshire

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associate | Manchester, NH

Bryanna’s practice encompasses a wide variety of litigation matters, working with both plaintiffs and defendants in complex litigation matters. Her work involves representing individuals and businesses in disputes before state and federal trial and appeals courts, administrative tribunals, arbitrators, and in mediation. Bryanna represents clients in patent litigation and civil litigation, including fiduciary duty disputes, contract issues, shareholder disputes, construction-related litigation, employment litigation, landlord/tenant litigation, and environmental cases.

Bryanna has argued before the New Hampshire Supreme Court and regularly defends employers in front of the New Hampshire Department of Employment Security.

Prior to joining the firm, Bryanna worked at a legal clinic providing pro-bono services to clients in areas such as bankruptcy, children’s rights, domestic violence, family law, housing, and immigration. Bry also taught legal writing to first-year law students at Vermont Law School.

Key Cases

  • Successfully argued before the New Hampshire Supreme Court on behalf of a group of commercial tenants against their landlord who had breached their lease agreements.
  • Successfully defended former owner/high-level executive of a for-profit hospital group against a $2.4 million dollar contribution claim, limiting liability award to ten percent, later substantially reduced in settlement.
  • Part of patent litigation team representing a leader of fully automated, high-precision, high-speed die bonding and epoxy dispensing systems that successfully won the country’s first-ever bench trial held on the issue of IPR estoppel and after five years of litigation, successfully defended a $40 million dollar claim by obtaining summary judgment based on patent invalidity.
  • Successfully argued before the District of New Hampshire with the American Civil Liberties Union on behalf of a noncriminal noncitizen to obtain habeas relief after her due process rights had been violated when she was detained in ICE’s custody for over 10 months.


  • State of New Hampshire
  • Commonwealth of Massachusetts
  • State of Vermont
  • United States District Court for the District of New Hampshire
  • United States Court of Appeals for the Federal Circuit
  • United States Court of Appeals for the First Circuit
  • United States District Court for the District of Massachusetts

Civic and Industry Involvement

  • Member, Young Professionals in Energy Boston
  • Co-Chair of the Fundraising Committee and Lead Class Agent, Middlebury College
  • Co-Chair of the Fundraising Committee and Lead Class Agent, Phillips Exeter Academy


  • Rising Star by New England Super Lawyers®, Business Litigation
  • Environmental Mission Scholar, Vermont Law School
  • Middlebury College/Vermont Law School Scholar
  • Articles Editor, Vermont Law Review
  • Best Oralist, Advanced Appellate Advocacy
  • Semi-finalist, Emory Civil Rights and Liberties Moot Court Competition