Federal Circuit Rejects Invalidation Based on After-Arising Technology


by Dennis Crouch

In an important opinion exploring the relationship between patent validity and after-arising technology, the Federal Circuit has reversed a district court’s invalidation of a pharmaceutical patent covering Novartis’s blockbuster heart failure drug Entresto. Novartis Pharmaceuticals Corp. v. Torrent Pharma Inc., Nos. 2023-2218, 2023-2220, 2023-2221 (Fed. Cir. Jan. 10, 2025).

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