Fed. Circ. Won't Touch A Del. Ruling On Hypertension Drug

By Andrew Karpan (July 24, 2023, 8:11 PM EDT) -- Neither the maker of the blockbuster hypertension drug Tyvaso nor a drugmaker that hoped to sell a powdered version of that drug managed to convince a federal appeals court on Monday to reject a Delaware federal judge's conclusion last year that one of the patents didn't withstand legal scrutiny, but that another was both valid and infringed by the prospective new treatment....

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