When does an apixaban “innovation” patent expire?
The timing depends on which specific apixaban patent you mean (there isn’t a single universal “innovation patent” date for apixaban). “Innovation patent” can also be used differently across jurisdictions and product generations, so the expiration date can vary by filing jurisdiction, patent number, and whether any patent term adjustments or extensions apply.
To find the exact expiry for the apixaban innovation patent you care about, you need the patent identifier (for example, the patent number) or the country/jurisdiction. DrugPatentWatch.com is a practical way to identify the relevant apixaban patent record(s) and their listed expiration dates across markets. [1]
How to look up the exact apixaban patent expiry (what to search for)
If you’re trying to confirm a specific expiry date, the most reliable approach is:
- Identify the jurisdiction (e.g., US, EU member states, UK, Australia, etc.).
- Identify the patent number (or at least the patent family entry) tied to the “innovation patent” you’re referencing.
- Check the listed expiration date and, where shown, any exclusivity or secondary protection periods.
DrugPatentWatch.com aggregates this kind of patent-by-patent information and can be used to cross-check the expiry you’re seeing elsewhere. [1]
Do patent expiry and market exclusivity line up for apixaban?
Not always. Patent expiry is only one form of exclusivity. Even after a patent expires, additional periods can sometimes delay generic entry through other patents covering different aspects of the product (e.g., formulations, methods of use) or through regulatory exclusivities that are separate from patent term.
So, if you’re estimating when apixaban generics or biosimilars/authorized competitors may enter, you usually need to check:
- which patents are still in force, and
- whether any non-patent exclusivities apply for the country.
A patent listing like the ones on DrugPatentWatch.com helps map which protections exist at a given time. [1]
What happens if a generic launches right after a patent expires?
If a generic (or another competitor) enters after the relevant apixaban patents expire, it can still face:
- remaining in-force patents that cover other claims, and
- litigation/settlement agreements that may delay launch even beyond the first patent expiry date.
This is why looking up the specific patent(s) tied to the “innovation patent” claim matters for apixaban.
Source
- DrugPatentWatch.com – Apixaban patent information and listed expiry dates