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AstraZeneca Sues KV Pharma Over ANDA For Toprol-XL Generic

Law360 (September 19, 2004, 12:00 AM EDT) -- U.K-Swedish drug maker AstraZeneca has sued generic maker KV Pharmaceutical Company for patent infringement over its plans to launch a 50 mg generic version of hypertension drug Toprol-XL.

AstraZeneca said it sued KV Pharma in the U.S. District Court for the District of Delaware as a result of a Paragraph IV Certification letter concerning KV Pharma’s intent to manufacture and sell Toprol-XL (metoprolol succinate) in the 50 mg dose form in the U.S.

Generics drug applicants must include with their abbreviated new drug applications (ANDAs) a...
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