Arbutus Is Sued Over Pfizer’s Covid Vaccine Delivery Tech (1)

The company whose delivery technology Pfizer Inc. licenses for use in its Covid-19 vaccine sued Arbutus Biopharma Corp. in Manhattan federal court Friday, seeking a judgment that the shot doesn’t infringe nine patents over which Arbutus and its partner Genevant Sciences GmbH have threatened to sue.

Acuitas Therapeutics Inc., a closely held biotech company based in Vancouver, said Arbutus and Genevant “had nothing to do with” the success of the vaccine, called Comirnaty, according to a complaint filed in the U.S. District Court for the Southern District of New York. Pfizer and BioNTech SE, which helped develop it, ...