small molecule

ONSOLIS

FENTANYL CITRATE

Loss of exclusivityJuly 2027latest FDA-listed patent expiry
CompanyAdalvoSee this company's full patent-cliff portfolio

Drug detail

Brand nameONSOLIS
Active ingredientFENTANYL CITRATE
StrengthEQ 0.6MG BASE
Dosage formFILM
RouteBUCCAL
ModalitySmall molecule
FDA approvalJuly 2009
Marketing statusDISCN

Listed patents

PatentExpiresType
9597288July 2027product

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.

ONSOLIS patent cliff — loss of exclusivity July 2027 | CliffBio