small molecule

DAYVIGO

LEMBOREXANT

Loss of exclusivityOctober 2035latest FDA-listed patent expiry
CompanyEisaiView the full company profile on CliffBio

Drug detail

Brand nameDAYVIGO
Active ingredientLEMBOREXANT
Strength10MG
Dosage formTABLET
RouteORAL
ModalitySmall molecule
FDA approvalApril 2020
Marketing statusRX

Listed patents

PatentExpiresType
10188652October 2035product
10702529October 2035product
11026944October 2035product
8268848September 2031substance, product

Regulatory exclusivity

CodeExpires
M-293April 2026

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.

DAYVIGO patent cliff — loss of exclusivity October 2035 | CliffBio