Pfizer Invalidates Two of GSK's RSV Vaccine Patents in UK Court

PFE
September 06, 2025
Pfizer achieved a legal victory in a London court, successfully invalidating two of GSK's patents related to a respiratory syncytial virus (RSV) vaccine. This ruling could impact the competitive landscape of the RSV vaccine market. The decision strengthens Pfizer's position in the rapidly developing RSV vaccine segment, where its product, Abrysvo, competes with GSK's Arexvy. Invalidating rival patents can reduce potential intellectual property disputes and enhance market access. This legal outcome removes a potential barrier for Pfizer's RSV vaccine commercialization in the UK and may influence future patent strategies and market dynamics for both companies in this therapeutic area. The content on BeyondSPX is for informational purposes only and should not be construed as financial or investment advice. We are not financial advisors. Consult with a qualified professional before making any investment decisions. Any actions you take based on information from this site are solely at your own risk.