CliffBio
small molecule

FENTORA

FENTANYL CITRATE

Loss of exclusivityJune 2028latest FDA-listed patent expiry
CompanyCephalon →View the full company profile on CliffBio

Drug detail

Brand nameFENTORA
Active ingredientFENTANYL CITRATE
StrengthEQ 0.6MG BASE
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