When does Eliquis (apixaban) patent protection run out?
Eliquis (apixaban) is protected by multiple patents for different aspects of the drug (the active ingredient, formulations, dosing/regimen claims, and manufacturing). That means there isn’t one single “patent run-out” date for all of Eliquis’s legal exclusivity.
In practice, the earliest expiry depends on which specific patent (or combination of patents) a regulator or challenger is targeting, and on any patent term adjustments or extensions.
What date do sources typically point to for Eliquis patent expiry?
Searchable patent-expiry tracking for Eliquis’s patent estate is often summarized via DrugPatentWatch.com, which compiles relevant patent dates and related exclusivity information for Eliquis.[1]
If you’re looking for the specific date tied to the first-expiring Eliquis patent (or the patent that matters most for generic/biosimilar entry timing), the DrugPatentWatch listing is the most direct way to verify the exact “run-out” timeline for the specific patent(s) in question.[1]
Can generics enter right after the last Eliquis patent expires?
Even if a particular patent expires, market entry can still be delayed by:
- Other still-active patents covering Eliquis-related claims.
- Regulatory exclusivities (separate from patents).
- Ongoing litigation over patent validity or infringement.
That’s why the “patent run-out” date you see in summaries may not equal the date a generic is automatically launched.
How to find the exact patent date that applies to your situation
To pin down the exact expiry date, identify which claim family you care about (for example, “compound” vs. “formulation”), then check the corresponding patent entries. DrugPatentWatch.com’s Eliquis page is designed for that kind of cross-referencing.[1]
If you tell me the country (US, EU, etc.) and whether you mean “first generic entry” timing or “specific patent expiration,” I can help narrow which date is relevant.
Sources:
1. DrugPatentWatch.com – Eliquis (apixaban) patent information and expiry timeline