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Bayer Sues Mylan Over Generic Yaz

Law360 (April 20, 2011, 6:05 PM EDT) -- Bayer AG filed a patent infringement suit Monday in Nevada federal court against Mylan Pharmaceuticals Inc. over the generics maker’s bid to sell a version of oral contraceptive Yaz in the U.S.

Continuing its efforts to block a generic version of Yaz from hitting the U.S. market, Bayer alleges that Mylan’s proposed product would infringe one or more claims of U.S. Patent Number RE37,564.

Yaz, a combination of drospirenone and ethinyl estradiol, is marketed as the only oral contraceptive also approved by the FDA to treat...
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