Patents - Pfizer Ltd v GlaxoSmithKline Biological
Human Respiratory Syncytial Virus Author NIAID Licence CC BY 2.0 Source Wikimedia Commons Jane Lambert Patents Court (Mr Justice Mellor) Pfizer Ltd v GlaxoSmithKline Biologicals SA and another 2024] EWHC 2523 (Pat) (07 Oct 202 4) Pfizer Ltd v GlaxoSmithKline Biologicals SA and anothe r [2025] EWHC 52 (Pat) (16 Jan 2025) This was a claim by Pfizer Ltd. ("Pfizer") for the revocation of EP (UK) 3 109 258 ("258") and EP (UK) 2 222 710 ("710") under s.72 (1) (a) of the Patents Act 1977 on the grounds that the inventions for which those patents were granted were not patentable. The patents were held by GlaxoSmithKline Biologicals SA and ID Biomedical Corporation of Quebec (collectively "GSK"). The reason for the litigation was that both Pfizer and GSK had developed vaccines for respiratory syncytial virus ("RSV") that were about to receive marketing approval in the UK....