CAFC Affirms ITC’s Invalidation of Sweetener Patent Under On-Sale Bar, Citing Helsinn
IP Watchdog
AUGUST 12, 2024
Supreme Court’s reasoning in Helsinn Healthcare v. Teva Pharmaceuticals (2019), the Federal Circuit rejected Celanese’s contentions that statutory changes wrought by the America Invents Act (AIA) altered the on-sale bar such that sales of products manufactured by an undisclosed process would not invalidate patents claiming that process.
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