US Court of Appeals upholds Shire's Vyvanse patent
Ireland-headquartered drugmaker Shire (LSE: SHP) has had its patent upheld for Vyvanse (lisdexamfetamine) by the US Court of Appeals.
Several companies, including Actavis (NYSE: ACT) and Novartis’ (VX: NOVN) Sandoz unit were seeking Food and Drug Administration approval to market generic versions of Vyvanse. Shire filed many patent infringement lawsuits in 2011 and 2012, with the latest ruling upholding a lawsuit rendered in June 2014. It decided that 18 claims from four of the Vyvanse patents are valid and barred the defendant companies from launching Vyvanse generics until 2023 or later.
The drug was initially approved by the US FDA to treat attention-deficit hyperactivity disorder (ADHD) in children, later expanded to include an adult indication. Earlier this year it was approved for binge-eating disorder in adults.
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