small molecule

SEPHIENCE

SEPIAPTERIN

Loss of exclusivityMarch 2042latest FDA-listed patent expiry
CompanyPTC TherapeuticsSee this company's full patent-cliff portfolio

Drug detail

Brand nameSEPHIENCE
Active ingredientSEPIAPTERIN
Strength250MG/PACKET
Dosage formPOWDER
RouteORAL
ModalitySmall molecule
FDA approvalJuly 2025
Marketing statusRX

Listed patents

PatentExpiresType
12257252March 2042use U-4250
12213982September 2038use U-4251
11752154September 2038product
11072614April 2038substance

Regulatory exclusivity

CodeExpires
ODE-542July 2032
NCEJuly 2030

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.

SEPHIENCE patent cliff — loss of exclusivity March 2042 | CliffBio