Shire Unit Asserts Adderall Patents Against Andrx

Law360, New York (November 13, 2006, 12:00 AM EST) -- A unit of Shire PLC has renewed the company’s efforts to stave off a copycat version of its blockbuster hyperactivity drug Adderall nearly three months after Shire resolved a patent stand-off with Barr Laboratories Inc. over the same drug.

Shire Laboratories Inc. said Friday it has filed patent infringement suits against Andrx Pharmaceuticals LLC and Andrx Corp. in the U.S. District Courts for the District of New Jersey and the Southern District of Florida, alleging that generic drug maker Andrx violated two of its patents....
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