Sanofi/Regeneron Get Reprieve: Praluent Can Stay On Market For Now

Federal Circuit stays injunction that would have halted sales of the PCSK9 inhibitor on Feb. 21; stay extends through appeal of injunction and patent verdict.

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Twelve days before a permanent injunction halting sales of Sanofi and Regeneron Pharmaceuticals Inc.’s Praluent (alirocumab) was to go into effect, the US Court of Appeals for the Federal Circuit stayed the injunction pending the outcome of an appeal, which will take several months.

In a Feb. 8 order in the Amgen Inc. v. Sanofi PCSK9 litigation, the court said its...

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