Lisa Pirozzolo is a partner in the firm's Litigation/Controversy Department, former co-chair of the Intellectual Property Litigation Practice Group, a member of the Appellate and Supreme Court Litigation Practice Group and a former member of the Executive Committee. She is also a co-chair of the firm’s Associates and Work Life Balance Committees. She joined the firm in 1993.

Ms. Pirozzolo has a general commercial litigation practice, with a particular emphasis on intellectual property litigation. She has represented clients, including those in the life sciences industry, in patent infringement, licensing, and contract disputes involving a wide variety of technologies including pharmaceutical products, gene expression and detection technology, medical devices, printing and photocopy equipment, and telephone services. She has experience handling all phases of litigation, in both the trial court and on appeal, as well as arbitration and mediation proceedings.

Ms. Pirozzolo received a JD, cum laude, from Cornell Law School, where she served as editor-in-chief of the Cornell International Law Journal. She received a BA in classics from Yale College. Following law school, she clerked for the Honorable Franklin S. Billings, Jr., district judge of the United States District Court for the District of Vermont.

Ms. Pirozzolo is admitted to practice in the Commonwealth of Massachusetts.

Professional Activities

  • Member, Boston Bar Foundation's Society of Fellows
  • Co-Chair, Lawyers Committee for Civil Rights Under Law of the Boston Bar Association
  • LMG Life Sciences Names Lisa Pirozzolo General Patent Litigator of the Year

    Lisa Pirozzolo, co-chair of the firm’s Intellectual Property Litigation Practice, was named the General Patent Litigator of the Year in the New England region for the second year in a row.

    September 13, 2018
    Read More
  • WilmerHale Recognized Throughout New IAM Patent 1000 Rankings

    IAM Patent 1000 has recognized WilmerHale and more than a dozen of its lawyers among the top patent firms and lawyers in the 2019 edition of its annual rankings. IAM honored Lisa Pirozzolo in this year's guidebook for litigation in Massachusetts.

    July 3, 2019
    Read More


  • Award Text

    Boston Life Sciences and Biotechnology Lawyer of the Year

    Best Lawyers in America®


  • Award Text

    Leading Lawyer for Intellectual Property

    Chambers USA


  • Award Text

    New England General Patent Litigator of the Year

    LMG Life Sciences


  • Named to Boston Magazine’s inaugural Top Lawyers list in 2021 in the area of civil litigation/defense.
  • Recommended in the 2017–2019 editions of The Legal 500 United States for intellectual property: patent litigation: full coverage and industry focus: healthcare: life sciences.
  • Regularly recognized by Chambers USA Guide in Massachusetts for intellectual property. She is "praised by her clients for her courtroom skills," "held in high regard" and "is meticulous in everything she does, and a strong writer and strategist."
  • Selected as a 2013 "Top Women of Law" by Massachusetts Lawyers Weekly.
  • Named a 2013–2024 leading practitioner for patent litigation by IAM Patent 1000 and listed as a leading patent litigator in the 2011 edition of IAM Patent Litigation 250.
  • Selected as a 2013–2024 IP Star by Managing IP, a guidebook that identifies leading IP lawyers in the United States, and recognized among the Top 250 Women in IP in 2018–2020 and 2013.
  • Honored as New England General Patent Litigator of the Year in 2017 and 2018, and named a "Life Sciences Star" for intellectual property in the 2012–2023 editions of LMG Life Sciences.
  • Consistently recognized as a Massachusetts Super Lawyer for intellectual property litigation.
  • Named a "Litigation Star" by Benchmark Litigation in 2021–2024.
  • Selected by peers for inclusion in the 2012–2024 editions of the Best Lawyers in America in the areas of biotechnology law and life sciences, commercial litigation, intellectual property litigation and patent litigation. She was also named the Boston Life Sciences and Biotechnology Lawyer of the Year for 2024, Boston Litigation - Patent Lawyer of the Year for 2020, Boston Litigation - Intellectual Property Lawyer of the Year for 2018 and Boston Litigation - Patent Lawyer of the Year for 2016.
  • Named to the Lawdragon 500 Leading Litigators in America list.

Insights & News


  • Education

    • JD, Cornell Law School, 1992

      cum laude Editor-in-Chief, Cornell International Law Journal
    • BA, Classics, Yale University, 1986

  • Admissions

    • Massachusetts

  • Clerkships

    • The Hon. Franklin S. Billings Jr., US District Court for the District of Vermont, 1992 - 1993



Unless you are an existing client, before communicating with WilmerHale by e-mail (or otherwise), please read the Disclaimer referenced by this link.(The Disclaimer is also accessible from the opening of this website). As noted therein, until you have received from us a written statement that we represent you in a particular manner (an "engagement letter") you should not send to us any confidential information about any such matter. After we have undertaken representation of you concerning a matter, you will be our client, and we may thereafter exchange confidential information freely.

Thank you for your interest in WilmerHale.