Astellas Hits Sagent, Strides With Adenoscan IP Suit
Law360, Washington (June 21, 2011, 5:39 PM EDT) -- Astellas Pharma US LLC and affiliate Item Development AB hit Sagent Pharmaceuticals Inc. and Strides Arcolab Ltd. with a lawsuit in New Jersey federal court on Tuesday for allegedly violating a patent for the pharmacologic stress agent Adenoscan.
Sagent has filed an Abbreviated New Drug Application with the the U.S. Food and Drug Administration seeking approval to make a generic version of Adenoscan, according to Astellas.
The patent-in-suit is U.S. Patent No. 5,731,296, "a selective vasodilation by continuous adenosine infusion" that is set to expire in March 2015. The patent relates to the use of the prescription drug adenosine as an...
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