Bayer's Yaz Patent Claims Are Invalid, Fed. Circ. Says

Law360, New York (April 16, 2013, 4:53 PM EDT) -- The Federal Circuit said Tuesday that two claims in Bayer HealthCare Pharmaceuticals Inc.'s patent for its Yaz contraceptive were invalid because they are obvious, siding with generic-drug makers that the company had accused of patent infringement and overturning the trial court’s decision in the case.

A Nevada federal court ruled in late March 2012 that the claims — covering the hormone-dosage level and placebo pill-to-effective pill regimen for Yaz during the 28-day contraception cycle — in Bayer's patent were valid and not obvious, a setback for...
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