small molecule

XOCOVA

ENSITRELVIR

Loss of exclusivityMay 2042latest FDA-listed patent expiry

CompanyShionogi →See this company's full patent-cliff portfolio

Drug detail

Brand name	XOCOVA
Active ingredient	ENSITRELVIR
Strength	125MG
Dosage form	TABLET
Route	ORAL
Modality	Small molecule
FDA approval	May 2026
Marketing status	RX

Listed patents

Patent	Expires	Type
12559474	May 2042	substance, product
11814368	May 2042	substance, product
9150546	December 2030	substance, product

Regulatory exclusivity

Code	Expires
NCE	May 2031

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.

Drug detail

Listed patents

Regulatory exclusivity

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