Image: Melanie R. Rupert

Melanie R. Rupert

Partner, Litigation Department

New York

Phone: 1(212) 318-6846
Fax: 1(212) 230-7846


Melanie R. Rupert is a partner in the Life Sciences IP practice in the New York office of Paul Hastings. Ms. Rupert’s practice focuses on patent litigation matters, with an emphasis on the biotechnology, pharmaceutical, and medical device industries. She has more than two decades of experience in the life sciences space, including significant experience leading Hatch-Waxman cases on behalf of innovator drug companies.

She has represented some of the world’s leading life sciences companies in high-stakes patent challenges to their blockbuster products, including antidepressants, antibiotics, antipsychotics, anti-epileptics, treatments for cancer, treatments for Alzheimer’s disease, treatments for high cholesterol, and treatments for insomnia. In addition, Ms. Rupert guides clients on strategic matters related to patent portfolio development and management, pre-suit analysis, post-grant review challenges, and ex-U.S. opposition proceedings. She also works closely with clients in due diligence analysis related to both company and product-based asset acquisitions.

Ms. Rupert frequently speaks and writes about current issues in the life sciences industry. She is recognized by leading directories, including Chambers USA, which states, “Melanie is incredibly smart and strategic,” “She is an unbelievably great lawyer,” and “She is phenomenal and is a really tough opponent; her depth of knowledge and skill is second to none.” She was also named as an “IP Life Science Star” by LMG, one of the “Top 250 Women in IP” by Managing Intellectual Property, listed in the Legal 500 and Euromoney’s Women in Business Law Expert Guide

Ms. Rupert also has significant involvement in both internal and external initiatives aimed at improving gender diversity and inclusion in the legal profession. She holds several leadership roles at Paul Hastings, including serving as the global co-chair of talent development and as an elected member of the partner compensation committee. She also serves as an adjunct professor at New York University School of Law, where she teaches a course on life sciences patent law each spring.


  • Recognized in Chambers USA, Intellectual Property: Patent (2022-2024)
  • Recognized in IAM Patent 1000, Patent Litigation (2022-2024)
  • Recognized as a Leading Practitioner for Life Sciences by Expert Guides: Women in Business Law (2022)
  • Women in Business Law Awards – Shortlisted to the Life Sciences Lawyer of the Year category (2022)
  • Named one of the “Top 250 Women in IP” by Managing Intellectual Property
  • Recipient of the Paul Grossman Award in 2013, which is awarded to one Paul Hastings partner annually for excellence in training, mentoring, and guiding the professional development of associates


  • New York University School of Law, J.D., 2001
  • Cornell University, B.S. in Biological Sciences, Concentration in Molecular & Cell Biology, 1998 (Howard Hughes Undergraduate Scholar)


Significant recent representative matters:

  • Presently represents Allergan in a patent infringement matter against Revance, regarding Allergan’s innovations in its Botox® franchise for animal protein-free formulations and processes utilizing botulinum neurotoxin A.
  • Presently represents Eisai and Merck jointly against two generic challenges to Lenvima® (lenvatinib), an innovative treatment for cancer that blocks signals that allow cancer cells to survive and multiply.
  • Presently represents Helsinn against a generic challenge to Akenzyo® (fosnetupitant/palonosetron), an innovative intravenous treatment for chemotherapy-induced nausea and vomiting.
  • Successfully represented Eisai in connection with numerous generic challenges to Belviq® (lorcaserin), an innovative treatment for weight loss. Shortly before trial, generics Lupin and Teva stipulated to infringement of the patent-in-suit covering the active ingredient. Soon after the infringement stipulation was filed, a consent judgment was filed pursuant to a settlement agreement very favorable to the client.
  • Successfully represented Merck in connection with a generic challenge to Entereg® (alvimopan), an innovative treatment used for post-operative ileus (“POI”). Following a favorable claim construction ruling, Teva stipulated that its proposed generic product would infringe the sole patent at issue. Teva agreed to settle the case with a consent judgment reflecting a complete victory for Merck.
  • Successfully represented Eisai in connection with numerous generic challenges to Banzel® (rufinamide), an innovative treatment for a rare and devastating form of childhood epilepsy. Favorable settlements were reached with the generics in each of these cases.
  • Successfully defended Covidien, a leading medical device manufacturer, against claims of patent infringement related to its cuffed endotracheal tubes, including successfully opposing a preliminary injunction.
  • Presently represents a number of branded pharmaceutical companies in pre-suit diligence in anticipation of patent challenges to their key products, which includes portfolio counseling and strategy.

    Engagement & Publications

    Ms. Rupert frequently speaks and writes about current patent issues. Recent representative publications and engagements include:

    • Panelist, "Tips and Tactics for Protecting Life Sciences Innovations in the Current Legal Climate," American Bar Association's Landslide Webinar (August 22, 2017)
    • Panelist, "Year in Review: 2016-2017 Updates in Hatch-Waxman Law," ACI's Women Leaders in Life Sciences Law (July 20, 2017)
    • “Managing the Complexities of Hatch-Waxman Pharmaceutical Litigation” in “Behind the Minds: Recent Trends in Patent Infringement Lawsuits” (Book Chapter, March 2014)


    • Member of the Board of Directors and pro bono counsel to the Little Baby Face Foundation, a 501(c)(3) charitable organization that provides reconstructive surgeries by top surgeons to children in financial need who are born with congenital facial deformities
    • Member of the State Bar of New York, the United States Court of Appeals for the Federal Circuit, the United States District Courts for the Southern and Eastern Districts of New York, the Eastern District of Michigan, and the Eastern District of Wisconsin

    Practice Areas


    Patent Office

    Patent Litigation

    Intellectual Property

    Life Sciences and Healthcare




    New York Bar


    New York University School of Law, J.D. 2001

    Cornell University, B.S. 1998

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