Novartis Sues Alvogen To Block Generic Dementia Patch

By Ben James (January 7, 2013, 7:54 PM EST) -- Novartis AG slapped generic-drug maker Alvogen Group Inc. with a lawsuit in Delaware on Friday, accusing Alvogen of infringing two patents by seeking U.S. regulatory approval to make and sell generic versions of the Exelon patch, a dementia treatment.

Patent co-owners Novartis and LTS Lohmann Therapie-Systeme AG targeted Alvogen and a Pine Brook, N.J.-based Alvogen subsidiary, asking the court to rule that Alvogen had infringed the patent-in-suit and order that the approval of Alvogen's bid for approval of its proposed rivastigmine transdermal products can't come before the plaintiffs' patent rights expire.

The abbreviated new drug application that Alvogen submitted to the...

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