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Daiichi, J&J Unit Continue Fight For Levaquin Patent

Law360 (October 19, 2006, 12:00 AM EDT) -- After a series of courtroom victories over anti-infective drug Levaquin, Japanese drug maker Daiichi Pharmaceutical Co. and a Johnson & Johnson subsidiary have filed a lawsuit to fight another effort to market a generic version of the drug.

The lawsuit, filed Tuesday in the U.S. District Court for the District of New Jersey, alleges that India-based Lupin Ltd. and its subsidiary, Lupin Pharmaceuticals, are infringing on the patent held by Daiichi and licensed to Johnson & Johnson and its subsidiary Ortho-McNeil Pharmaceutical Inc.

Daiichi has held...
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