Friday, May 6, 2011

Impax sued over generic version of ADHD drug Concerta

Alza Corp. is suing Impax Laboratories Inc. for patent infringement for the Hayward company’s generic version of blockbuster attention deficit hyperactivity disorder Concerta.
Concerta extended-release tablets, ranging from 18 milligrams to 54 milligrams, registered sales of $1.4 billion in the 12 months ended in February.

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