AstraZeneca Seeks Full Rehearing Of Generic Drugmaker Win

Law360, Los Angeles (January 21, 2014, 9:23 PM EST) -- AstraZeneca AB on Tuesday asked for a full rehearing before the Federal Circuit in its ongoing efforts to block Hanmi USA Inc.’s generic version of acid reflux drug Nexium, arguing that a Federal Circuit panel disregarded precedent in upholding a lower court’s claim construction.

AstraZeneca argued that the panel erred in deciding that the active ingredient in Hanmi’s drug did not qualify as an alkaline salt as described by AstraZeneca’s patents because those patents only referred to six specific types of salt. Instead of basing its...
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