GSK Seeks To Prevent Pfizer From Selling Its Rival RSV Vaccine In the US

Claiming Pfizer’s Abrysvo infringes four of its patents, GSK asks court to permanently enjoin Pfizer from making or selling the vaccine in the US but would exempt the pending maternal indication.

RSV vaccine
GSK claims Pfizer's RSV vaccine infringes its patents • Source: Shutterstock

GlaxoSmithKline Biologicals SA moved to derail Pfizer Inc.’s launch of its respiratory syncytial virus (RSV) vaccine Abrysvo for older people by filing a patent infringement suit and seeking a court order preventing Pfizer from making or selling the vaccine in the US. GSK also seeks damages and/or reasonable royalties.

The complaint, filed on 2 August in the US District Court for the District of Delaware, alleges that Abrysvo...

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