About Melissa Hunter-Ensor, Ph.D.

Dr. Melissa Hunter-Ensor is Co-Chair of Greenberg Traurig’s Global Patents and Innovation Strategies Group. Melissa focuses her practice on the intellectual property and commercial needs of clients in the life science industry, encompassing pharmaceutical, biotechnology, chemical agricultural, diagnostics and medical device companies. Melissa has experience representing clients throughout the business cycle, from start-ups and universities to global pharmaceutical companies, with patent portfolio management and strategic alliances, as well as litigation and pre-litigation strategy. She also assists venture capital firms and other investors in assessing the IP risks of target investments and conducts IP patent and licensing due diligence in connection with life science technology transactions.

Before becoming a lawyer, Melissa earned a Ph.D. in neuroscience from the University of Pennsylvania and her thesis research resulted in a first author paper in Cell . She followed this accomplishment with a four-year post-doctoral fellowship at the Massachusetts Institute of Technology laboratory of Nobel laureate H. Robert Horvitz where she was a Jane Coffin Childs fellow.

Concentrations

•Patent portfolio management and strategic counseling•Technology transactions and licensing•Litigation and pre-litigation strategy

Recognition & Leadership

Awards & Accolades

•Listed, Chambers USA Guide, 2024-2025 •Intellectual Property, 2024-2025 •Life Sciences, 2025 •Shortlisted, Euromoney, 'Women in Business Awards - Life Sciences Lawyer of the Year, ' 2024 •Listed, The Legal 500 United States, 2023-2025 •Life Sciences, 2023-2025 •Patents: Prosecution, 2024-2025 •Listed, The Best Lawyers in America, Patent Law, 2023-2026 •Listed, IAM Global Leaders Guide, 2025-2026 •Listed, Managing IP Magazine's World IP Handbook and Survey, 'IP Stars: Boston Patent Stars,' 2017-2025 •Listed, IAM magazine, 'IAM Patent 1000,' Prosecution, 2019-2025 •Selected, Massachusetts Lawyers Weekly, “Massachusetts Go To Lawyers: Life Sciences/Healthcare,” 2022 and 2024 •Shortlisted, Euromoney, 'Women in Business Awards - Best in Patents,' 2020 and 2022 •Listed, Euromoney's Expert Guides: 'Women in Business Law,' 2022 •Listed, Boston magazine, 'Top Lawyers - Intellectual Property Rights,' 2022-2023 •Team Member, a U.S. News - Best Lawyers 'Law Firm of the Year' in Trademark Law, 2020, 2022 •Listed, LMG Life Sciences, 2016-2025 •Shortlisted, 'Patent Strategy Attorney of the Year - New England,' 2024 •Shortlisted, 'Patent Strategy Attorney of the Year - Massachusetts,' 2023 •'Life Science Star,' 2016-2025 •Listed, Super Lawyers magazine, Massachusetts Super Lawyers, “Rising Stars,” 2017-2018 •'Massachusetts Women's Edition, Rising Stars' 2018 •Selected, 'Top Women of Law,' Massachusetts Lawyers Weekly, 2015

 

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Services

Areas of Law

  • Other 6
    • Intellectual Property & Technology
    • Life Sciences & Medical Technology
    • Patents and Innovation Strategies
    • IP Technology Licensing & Transactions
    • Food, Beverage & Agribusiness
    • Venture Capital & Emerging Technology

Practice Details

  • Firm Information
    Position
    Shareholder
    Firm Name
    Greenberg Traurig, LLP
  • Representative Cases & Transactions
    Cases
    Experience: Patent Portfolio Management
    Strategic Counseling: Devised a strategy for protecting
    licensing a novel nucleic acid amplification method resulting in patent grant in the U.S.
    numerous international jurisdictions in under two years.
    Developed a worldwide IP portfolio for a privately held company for a biologic agent that was granted an emergency exemption by the Environmental Protection Agency for use in 17 states.
    Developed a world-wide IP portfolio prosecution strategy for a public company that resulted in patent protection for Alzheimer's disease, lung cancer, ovarian cancer
    peripheral artery disease diagnostics.
    Crafted an international strategy resulting in granted patents for a local drug delivery device that is in clinical use.
    Technology Transactions
    Licensing: A key member of a team assisting a Japanese pharmaceutical company with IP Iicensing due diligence that formed the basis for a multi-billion dollar acquisition of a publicly held biotechnology company.
    Conducted a patent l
    scape analysis on behalf of multiple university clients that informed their licensing negotiations with venture capital investors resulting in the successful formation of a university-licensed start-up.
    Advised an international pharmaceutical company in licensing exclusive, worldwide rights for research, development, manufacturing
    commercialization of a polynucleotide-based therapeutic.
    Litigation
    Pre-Litigation Strategy: Advised a publicly held pharmaceutical company in evaluating whether internet sales of a small molecule pharmaceutical product were exempt from infringement under the safe harbor provided by U.S.C. 271(e)(1).
    Represented the General Hospital Corporation in an inventorship dispute that resulted in summary judgment for the hospital, which was affirmed by the Court of Appeals for the Federal Circuit.
    Represented a university in an inventorship dispute that involved undergraduate research.
    Worked with the university's general counsel to revise the institution's Intellectual Property Policy with regard to undergraduate researchers.
    The above representations were h
    led by Dr. Hunter-Ensor prior to her joining Greenberg Traurig, LLP.
  • Additional Links

Experience

  • Bar Admission & Memberships
    Admissions
    2008, Massachusetts
    U.S. District Court for the District of Massachusetts
    U.S. Court of Appeals for the Federal Circuit
    Supreme Court of the United States
    registered to practice before U.S. Patent and Trademark Office
    Memberships

    Professional & Community Involvement

    •Board Member, Terry's Foundation for Muscular Dystrophy
    •Member, Association of University Technology Managers
    •Member, Public Policy Committee
    •Member, Licensing Executives Society (LES)
    •Member, Boston Patent Law Association
    •Member, Boston Emerging Leaders Group
    •Member, MIT Enterprise Forum
    •Member, Life Science Circle
    •Advisor, de la Femme

  • Education & Certifications
    Law School
    Suffolk University Law School
    Class of 2008
    J.D.
    cum laude
    Other Education
    University of Pennsylvania
    Class of 1997
    Ph.D.
    Neuroscience

    Smith College
    Class of 1985
    B.A.
    Chemistry
  • Personal Details & History
    Age
    Born in 1963
    July 13, 1963
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Attorneys FAQs

  • What year was this attorney first admitted to the bar?
    Melissa Hunter-Ensor, Ph.D. was admitted in 2008 to the State of Massachusetts.
  • Is this attorney admitted to practice in any U.S. Federal Courts?
    Melissa Hunter-Ensor, Ph.D. is admitted to practice before the Patent Trial and Appeal Board, United States Court of Appeals for the Federal Circuit, United States District Court for the District of Massachusetts and United States Supreme Court.
  • How many attorneys are in this law firm?
    Greenberg Traurig, LLP has 2750 attorneys at this location.
  • What law school did this attorney attend?
    Melissa Hunter-Ensor, Ph.D. attended Suffolk University Law School.
  • What year was this attorney's law firm established?
    Greenberg Traurig, LLP was established in 1967.