Bayer Alleges Patent Infringement Over Yaz

Law360, New York (November 6, 2007, 12:00 AM EST) -- Bayer AG has filed a lawsuit against Watson Laboratories Inc., alleging patent infringement related to the oral contraceptive Yaz, Bayer revealed in an earnings statement Tuesday.

In the complaint filed Monday in the U.S. District Court for the District of Nevada, Bayer said Watson has submitted to the U.S. Food and Drug Administration an Abbreviated New Drug Application seeking approval to make a generic version of the Yaz tablet. Bayer said it was notified about the ANDA last month.

Yaz, a combination of drospirenone and ethinyl...
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