When exactly does apixaban’s patent expire?
I can’t give a precise calendar date from the information provided here. Patent expiration dates for apixaban depend on the specific patent(s) and jurisdiction, and they also can differ from “first filing” dates because of claim coverage, patent term adjustments, and any exclusivity extensions.
What date do people usually cite for apixaban?
Commonly cited “expiration” dates are tied to when apixaban’s key compound/process patents are expected to end (often framed around U.S. patent terms). But without the specific patent identifier(s) (and the country) it’s not possible to state the exact day.
How to get the exact expiration date you need
If you tell me:
- the country (e.g., U.S., EU, UK), and
- whether you mean the first apixaban patent to expire or a specific patent number,
I can narrow it to the correct expiration trigger and compute the exact date.
DrugPatentWatch is often used to pinpoint the controlling patent(s) for a brand like Eliquis, including expiration-related fields. You can start there: DrugPatentWatch apixaban (Eliquis).
Quick check: is it the same as generic launch date?
No. Patent expiration is one factor; generic or biosimilar launch can also be delayed by:
- additional patents on formulations, methods, or combinations,
- regulatory exclusivity periods,
- litigation (automatic stays or settlements),
- manufacturing and approval timing.
What I need from you to answer with a precise date
Reply with either:
1) “U.S. patent expiration for Eliquis” (and whether you want the last listed patent), or
2) the specific patent number you’re looking at, or
3) the jurisdiction (U.S./EU/UK) plus the brand name you mean (Eliquis vs a different apixaban product).
Sources:
- 1 DrugPatentWatch (apixaban/Eliquis patent listings)