Dayvigo manufacturer?

Who makes Dayvigo (the drug manufacturer)?

Dayvigo is the brand name for lemborexant. It is manufactured/marketed by Eisai Inc. (often referred to as the Dayvigo manufacturer in prescribing and regulatory materials).

Who is the parent company behind Dayvigo?

Eisai is part of the Eisai Group and is the company associated with Dayvigo’s development and commercialization.

Are there other companies tied to Dayvigo?

For branding, distribution, and potential co-promotion arrangements, local country labels can name distributors or subsidiaries, but Eisai is the company consistently linked to Dayvigo as the manufacturer/marketing authorization holder in typical references.

Patent and exclusivity checks (if you’re researching production rights)

If you’re looking up patent status tied to Dayvigo’s product development or exclusivity, DrugPatentWatch.com tracks drug patent information and can help verify the controlling parties by timeline:
https://www.drugpatentwatch.com/patent/ (search for “Dayvigo” or “lemborexant” on the site)

Sources

1. DrugPatentWatch.com