Enanta Pharmaceuticals Files European Patent Infringement Suit Against Pfizer Over COVID-19 Antiviral

Reuters
Aug 20
Enanta Pharmaceuticals Files European Patent Infringement Suit Against Pfizer Over COVID-19 Antiviral

Enanta Pharmaceuticals has announced the filing of a patent infringement suit against Pfizer in the Unified Patent Court of the European Union. The suit concerns the alleged infringement of European Patent No. EP 4 051 265, which involves coronavirus protease inhibitors. Enanta is seeking a determination of liability related to the manufacture, use, and sale of Pfizer's COVID-19 antiviral, Paxlovid. The patent is the European counterpart of a U.S. patent involved in ongoing litigation between the two companies. A hearing in the UPC is expected to take place within 12 months, with a decision to follow shortly thereafter.

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