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AstraZeneca Fires 3rd Suit At Handa Over Seroquel

Law360 (December 10, 2008, 12:00 AM EST) -- AstraZeneca Pharmaceuticals LP has sued Handa Pharmaceuticals LLC for the third time since July over its bid to produce a generic version of Seroquel XR.

The complaint, filed Monday in the U.S. District Court for the District of New Jersey, follows Handa's most recent amendment to its abbreviated new drug application for a generic extended-release form of quetiapine fumarate.

The patents-at-issue are U.S. Patent Numbers 4,879,288 and 5,948,437, which expire in 2011 and 2017, respectively, and cover the active ingredient and its extended-release method.

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