Heyison_Michael

Michael R. Heyison

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Heyison_Michael

Michael R. Heyison

Partner

  • General Counsel and Co-Chair of the Ethics Committee
Boston + 1 617 526 6910

Michael Heyison is a partner in the firm's Litigation/Controversy Department and a member of the Intellectual Property Litigation and Business Trial Groups. He joined the firm in 1982. Mr. Heyison serves as General Counsel to the firm and is Co-Chair of the Ethics Committee and the Litigation/Controversy Department's Standing Committee on Privilege.

Mr. Heyison has represented clients in the semiconductor, software, computer, medical device, automobile and Internet fields in patent, trade secret and competition disputes. A particular focus of his practice is determining damages in intellectual property cases. In 2003, Mr. Heyison received the Paul B. Brountas Award for extraordinary contributions to the firm.

Mr. Heyison received a JD degree from Harvard Law School, and a BA, summa cum laude, from Yale University, where he was elected to Phi Beta Kappa.

Mr. Heyison is admitted to practice in the Commonwealth of Massachusetts and in the District of Columbia.

Experience

    • Represented an automobile manufacturer in a patent infringement and trade secret case in the US District Court for the District of Washington
    • Represented a semiconductor manufacturer in a patent infringement action in the US District Court for the District of Massachusetts
    • Represented a mobile device manufacturer in a patent infringement litigation in the US District Court for the District of California 
    • Represented a major technology corporation in patent infringement action in the US District Court for the District of Wisconsin
    • Defended a major technology corporation in Federal Trade Commission Part 3 proceedings that alleged unlawful monopolization of markets for computer microprocessors and graphics processing
    • Represented a major technology corporation in contract and licensing dispute regarding graphics processing in the Delaware Court of Chancery
    • Represented a business software and hardware systems company in patent infringement action in the US District Court for the Eastern District of Texas
    • Represented a pharmaceutical company in Hatch-Waxman litigation in the US District Court for the District of Delaware
    • Represented a major technology corporation in multi-defendant patent infringement litigation regarding WiFi products in the US District Court for the Eastern District of Texas
    • Represented a multinational technology corporation in patent infringement litigation in the US District Court for the District of Delaware

Recognition

  • Named a "Massachusetts Super Lawyer" for his litigation practice in the 2014 and 2015 issues of Boston Magazine
  • Named to Boston Magazine’s Top Lawyers list in 2021–2023 in the area of civil law litigation 

Insights & News

View all of Michael's insights & news

Credentials

  • Education

    • JD, Harvard Law School, 1982

    • BA, Yale University, 1979

      summa cum laude Phi Beta Kappa

  • Admissions

    • Massachusetts

    • District of Columbia

Credentials

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