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Rare Victory For Generic Drug Industry In Patent Ruling

Law360 (January 18, 2006, 12:00 AM EST) -- Pharmaceutical giant AstraZeneca has lost a key U.S. court ruling concerning two patents covering the heart drug Toprol-XL in the latest setback in the company’s struggle to sustain its pipeline of blockbuster medications.

The ruling clears the way for rival pharmaceutical company Andrx Corp.'s generic version of the drug.

According to the judgment filed in a U.S. District Court for the Eastern District of Missouri, the patents, which were due to expire in September 2007, are “invalid and unenforceable” because they constitute double-patenting.

Generic drug maker...
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