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Jonathan S. Piper


Managing Partner
Practice Focus: Litigation, Arbitration, Media Law
Office: Portland, ME
Phone:207.791.3000
Fax:207.791.3111
Email:jpiper@preti.com
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Jon Piper, Managing Partner of Preti Flaherty, focuses his practice on litigation and arbitration, and chaired the firm's Litigation Group for eight years. He is well known and respected in the New England legal community, is listed in Woodward-White's The Best Lawyers in America for his work in Bet-the-Company Litigation, Commercial Litigation and First Amendment Law. He is also AV rated by Martindale-Hubbell and is recognized in Super Lawyers and Chambers USA Guide to America's Leading Business Lawyers, the highly regarded legal directories which ranks firms and individual attorneys. 

Previous Legal Experience

Invited to serve as the first law clerk to the Honorable Edward S. Godfrey of the Maine Supreme Judicial Court.

Civic Involvement

  • Member and Board Chair of Mercy Health System of Maine
  • Member and Board Chair of Mercy Hospital
  • Council Member and Chair of the Falmouth, Maine, Town Council
  • Trustee, Portland Concert Association
  • Falmouth Volunteer Fire Department
  • Little League Baseball and Pee Wee Basketball coach
  • Representative Matters

    Achieved record award in Maine of $40 million for Kingspan Group plc, a publicly traded Irish corporation, in claims for common law fraud and securities violations.
    Won a $7.4 million jury verdict against Fleet National Bank for financial planning malpractice
    Received national media attention for successfully defending Forbes magazine in a $10 million libel action.
    Successfully defended Peoples Heritage Savings Bank in a major lender liability suit
    Litigated on behalf of Bath Iron Works (a Division of General Dynamics) to secure multi-million dollar recovery in construction claims involving its new land level transfer dry dock facility.
    Negotiated multi-million dollar settlement award in an antitrust action brought on behalf of Compañía Chilena de Fósforos of Santiago, Chile, a major Chilean manufacturing company.
    Represented a significant PRP in Maine's largest Superfund litigation and served on the steering committee that negotiated a favorable remediation plan with the EPA

    Piper, Jonathan, Jon, John, Johnathan
    Jon Piper, Managing Partner of Preti Flaherty, focuses his practice on litigation and arbitration, and chaired the firm's Litigation Group for eight years. He practices from the Portland, ME office.
    Nickname: Jon