Attorneys James P. Harris

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shareholder | Manchester, NH

A member of Sheehan Phinney since 2002, J.P. represents clients across a wide variety of industries in civil litigation. His work includes the representation of both plaintiffs and defendants in complex litigation matters including general commercial disputes; trade secret, noncompetition and restrictive covenant litigation; employment cases; and construction actions. In his time with the firm, J.P. has represented businesses and individuals engaged in various aspects of the construction trade, media companies defending defamation claims, product manufacturers facing warranty claims, technology developers in business-to-business disputes and noncompetition litigation, victims of professional negligence, and many other types of businesses.

J.P. provides general advice to locum tenens staffing companies and a multiple listing service.

J.P. has significant experience counseling companies on privacy regulations, including the GDPR; cyber liability insurance policies, data breach notifications and data breach liability. He also guides companies through drafting and implementing records and data management policies and the management of electronically stored information. He has lectured and presented on all aspects of document retention and destruction policies, with particular emphasis on their application to litigation. He has also cultivated skill in the electronic discovery practices and data mining techniques that impact all litigation matters.

J.P. also serves as Associate General Counsel to the firm.

Key Cases

  • Represented municipality to pursue design firm and contractor in connection with faulty waste water treatment plant re-design.
  • Defended client against claim of violation of nonsolicitation agreement and obtained favorable settlement for wages and benefits not paid due to improper classification as independent contractor in violation of wage statute.
  • Recently obtained a jury verdict of a financial planner that convened one year of underpaid commissions.
  • Successfully argued before the New Hampshire Supreme Court on behalf of a timber company and its principals against an insurance company that breached its insurance agreement.
  • Successfully argued before the New Hampshire Supreme Court on behalf of a restaurant owner for the invalidation of a town smoking ban.
  • Defended employers and municipalities in employment discrimination claims and claims under the Americans with Disabilities Act.
  • Obtained summary judgment on behalf of national roof shingle manufacturer on claims of breach of warranty and violation of the consumer protection act.
  • Successfully obtained an award of benefits on behalf of widow in a workmans’ compensation matter.
  • Prosecuted to a favorable settlement a claim for violation of a non-solicitation covenant and theft of trade secrets against a regional manager of a mortgage company and his new employer.
  • Obtained summary judgment against an outside salesperson and then negotiated a settlement of a claim for unpaid commissions.
  • Represented an energy company in a claim against a former manager for violation of his non-solicitation covenant.
  • Obtained dismissal of claims against a guardian brought by a ward’s caretaker.
  • Presented and fielded questions regarding data breach responses and preparedness for clients of a financial advisor.


  • State of New Hampshire - State and Federal Courts
  • Commonwealth of Massachusetts - State and Federal Courts
  • United States Court of Appeals for the First Circuit
  • New Hampshire Bar Association (Past Member of Legislation Committee)
  • American Bar Associations

Industry and Civic Involvement

  • Chair, St. Joseph Community Services Board of Directors (Meals on Wheels for Hillsborough County)
  • Chair of Board of Trustees, the Kevin T. McHugh Memorial Scholarship Fund


  • Chambers USA, Commercial Litigation
  • 2014 40 Under Forty, New Hampshire Union Leader
  • Best Lawyers in America®, Commercial Litigation
  • Greater Manchester Chamber of Commerce Leadership Class of 2010
  • Leadership New Hampshire, Class of 2016