CliffBio
small molecule

FENTORA

FENTANYL CITRATE

Loss of exclusivityJune 2028latest FDA-listed patent expiry
CompanyCephalon →See this company's full patent-cliff portfolio

Drug detail

Brand nameFENTORA
Active ingredientFENTANYL CITRATE
StrengthEQ 0.1MG BASE **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**
Dosage formTABLET
RouteBUCCAL, SUBLINGUAL
ModalitySmall molecule
FDA approvalSeptember 2006
Marketing statusDISCN

Listed patents

PatentExpiresType
7862833June 2028product
7862832June 2028product

More from Cephalon

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.

FENTORA patent cliff — loss of exclusivity June 2028 | CliffBio