On April 3, 2025, GlaxoSmithKline (GSK) and Pfizer filed a stipulation to dismiss with prejudice GSK’s litigation in the United States District Court for the District of Delaware. GSK filed suit in August 2023, alleging that Pfizer’s respiratory syncytial virus (“RSV”) vaccine, ABRYSVO, infringes four U.S. patents covering GSK’s rival…
