Lisa Barons Pensabene, head of the Firm’s Life Science Litigation practice, handles high stakes patent litigation in the pharmaceutical and chemical industries. A first chair trial lawyer, she has led major pharmaceutical and chemical patent litigations in bench and jury trials, and arguments on appeal. She specializes in pharmaceutical patent litigation with her experience spanning treatment of cancers, HIV, immunological disorders, diabetes, cardiovascular disease, neurological disorders, ophthalmic disorders and pain. Lisa also is well-known as an expert on litigation on biologics, including biosimilars. Lisa is well-versed in post grant review procedures in the Patent Office, particularly inter partes review procedures. Lisa is committed to diversity in the profession and is one of the co-founders of WIN: Women in IP Network.
The recipient of numerous accolades, Lisa remains most proud of clients’ continuing trust in the work of her team. Lisa was named a BTI Client Service All Star (2021, 2022), Hatch-Waxman Litigator of the Year - Branded by LMG Life Sciences (2020) and a “Life Science Star.” She was named to Managing Intellectual Property’s global list of the “Top 250 Women in IP” (2018-2022). In her repeated recognition as a leading attorney in IAM Patent 1000, clients say: “Tenacious, tireless and thorough, Lisa is always someone you can trust.” IAM reports clients call Lisa “smart and strategic,” praise her ability to “master very complex science and explain it to a lay audience” and “take apart opposing experts on cross-examination with ease.” They recount that “Lisa is a great writer and a terrific advocate in court, and a true pleasure to deal with.” She repeatedly has been listed in IAM 250: The World’s Leading Patent Litigators. She is recognized by Legal 500 which notes that she heads O’Melveny’s life sciences practice. Chambers notes that she is a “key partner” in the New York office.