Novartis Sues Noven To Block Generic Dementia Patch

By Ben James (April 3, 2013, 6:49 PM EDT) -- Novartis AG slapped Hisamitsu Pharmaceutical Co. Inc. and subsidiary Noven Pharmaceuticals Inc. with a lawsuit in Delaware on Wednesday, claiming Noven infringed two patents by seeking U.S. regulatory approval for a generic version of Novartis' dementia-treating Exelon patch.

Novartis and patent co-owner LTS Lohmann Therapie-Systeme AG's complaint against Japan-based Hisamitsu and two Noven units asked the court for injunctive relief as well as an order declaring that U.S. Food and Drug Administration approval of Noven's proposed rivastigmine transdermal system can't come before the plaintiffs' rights under the two patents-in-suit expire.

Novartis Pharmaceuticals Corp., also a plaintiff, holds an approved new drug...

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