Moderna Says GSK ‘Abusing’ Patents to Siphon Covid Shot Profits

Moderna Inc. accused GSK Plc of trying to “rewrite history” by asserting patents over mRNA Covid-19 vaccines that GSK never developed, asking a Delaware federal judge to declare the patents invalid, unenforceable, and not infringed.

GSK acted “after lying in wait, and abusing the patent system” to “siphon resources and earnings” for Moderna’s “lauded efforts to address a global pandemic,” according to Moderna’s answer and counterclaims filed Thursday in the US District Court for the District of Delaware.

GSK is trying to do “in the courtroom what it could not accomplish (and, in fact, failed to do) in the laboratory, ...