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Aventis Files Another Patent Suit Over Allegra

Law360 (January 27, 2009, 12:00 AM EST) -- Aventis Pharmaceuticals Inc. has taken another generics maker to court over a proposed generic version of the allergy drug Allegra.

In a suit filed Friday in the U.S. District Court for the District of New Jersey, Aventis claims that India-based Sun Pharmaceuticals Industries Inc. has filed an abbreviated new drug application with the U.S. Food and Drug Administration for a generic version of Allegra, which Aventis says would infringe eight of its patents.

Sun's ANDA claims that its generic version would not infringe Aventis' patents, and...
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