Impax, AstraZeneca Get Win In Generic Zomig Patent Case

Law360, New York (April 3, 2017, 5:32 PM EDT) -- A Delaware federal judge has given a victory to Impax Laboratories Inc. and AstraZeneca AB in their patent infringement suit over Lannett Holdings Inc.'s planned generic version of the migraine medication Zomig, upholding the validity of two patents Lannett conceded it infringed.

The Wednesday decision by U.S. District Judge Richard Andrews, issued following a bench trial held in September, effectively bars Lannett from launching its version of Zomig.

AstraZeneca owns the two patents on a nasal spray formulation of the drug zolmitriptan and licensed them to Impax for use in Zomig. The patents expire in November 2020, but have exclusivity for...

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