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AstraZeneca Targets Korean Co. Over Nexium Patents

Law360 (February 11, 2011, 2:18 PM EST) -- U.K.-based AstraZeneca AB has sued Hanmi Pharmaceutical Co., accusing the South Korean company of infringing two patents by attempting to sell a copycat version of its acid reflux medication Nexium.

AstraZeneca filed a complaint Wednesday in the U.S. District Court for the District of New Jersey, alleging that Hanmi and three affiliates violated the patents by submitting an abbreviated new drug application for 20 and 40 milligram esomeprazole strontium capsules to the U.S. Food and Drug Administration.

The suit is one of many AstraZeneca has launched...
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