Home » Bayer Sues Lupin Over Natazia Patent
Bayer Sues Lupin Over Natazia Patent
Bayer is suing Lupin for infringing a patent on birth control drug Natazia. The brand-drug maker alleges Lupin plans to offer its generic Natazia (estradiol valerate and estradiol valerate/dienogest) before the drug loses patent protection in 2026. Natazia was approved in 2010 as an oral contraceptive and to treat pathologically heavy menstruation.
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