CliffBio
small molecule

NATAZIA

DIENOGEST; ESTRADIOL VALERATE

Loss of exclusivityJanuary 2028latest FDA-listed patent expiry
CompanyBayer Healthcare →See this company's full patent-cliff portfolio

Drug detail

Brand nameNATAZIA
Active ingredientDIENOGEST; ESTRADIOL VALERATE
StrengthN/A,2MG,3MG,N/A,N/A;3MG,2MG,2MG,1MG,N/A
Dosage formTABLET
RouteORAL
ModalitySmall molecule
FDA approvalMay 2010
Marketing statusRX

Listed patents

PatentExpiresType
8153616January 2028use U-1240
8071577May 2026product

More from Bayer Healthcare

Source: FDA Orange Book, layered on the CliffBio company graph. Cliff dates are the latest FDA-listed patent expiry; estimates are projections, not legal advice.

NATAZIA patent cliff — loss of exclusivity January 2028 | CliffBio