Schering AG files patent infringement lawsuit against Barr Laboratories, Inc. and Barr Pharmaceuticals, Inc.
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Schering AG, Germany announced that it has, along with its affiliate, Berlex, Inc., filed a patent infringement action against Barr Laboratories, Inc. and its parent company Barr Pharmaceuticals, Inc. relating to Schering AG's Yasmin® (drospirenone and ethinyl estradiol) product.
Yasmin® is the subject of an Abbreviated New Drug Application. Barr Laboratories, Inc. is currently seeking approval from the United States Food and Drug Administration to produce and market a generic version of Yasmin®.
The patent infringement lawsuit by Schering AG and Berlex, Inc. was filed in the United States District Court for the District of New Jersey.