Saturday, July 08, 2006

Barr sued over Razadyne Patent infringement

Janssen Pharmaceutical N.V., Janssen L.P., Ortho-McNeil Neurologics Inc. and Synaptech has brought patent infringement lawsuit against generic drug maker Barr in the District Court for the District of New Jersey for infringing their Orange Book listed U.S. Patent No. 4,663,318 for Razadyne ER, generically known as Galanthamine hydrobromide extended release. This lawsuit is result of Para IV certificate made by Barr with FDA for Galanthamine extended release capsule in 8mg, 16mg and 24mg strengths. Earlier a year back, Barr was sued by same companies for Galanthamine immediate release which is still in progress.

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