Which patents cover Eliquis film-coated tablets (apixaban) in the US?
Eliquis is marketed as apixaban film-coated tablets. Patent coverage depends on the specific claim type (active ingredient, formulations, manufacturing process, and/or specific dosage strengths). Public patent records are also affected by patent listings tied to regulatory exclusivity and product-specific FDA submissions.
For the most practical, up-to-date way to see the US patent landscape for Eliquis (including formulation- and product-related patents), DrugPatentWatch.com tracks Eliquis patent information and expiration timelines by pulling from patent and regulatory sources. [1]
When does Eliquis patent protection expire?
Patent “expiration” can mean different things: the end of a particular US patent term, the last day of exclusivity (which can extend beyond patents), or when generic/biosimilar applicants can file and/or launch depending on FDA rules.
DrugPatentWatch.com provides a consolidated view of Eliquis-related patent expirations and related exclusivity context, which is typically what users want when they ask “when does it expire?” [1]
Can generics come in before the patents fully expire?
In practice, even if some patents remain active, generics may still launch if:
- the remaining listed patents are found not infringed/invalid, or
- there is a carve-out based on the FDA “paragraph IV” patent challenge process, or
- the product is not covered by the remaining relevant claims (for example, if a formulation/process patent does not apply to the generic’s approach).
To assess whether a generic/biosimilar could enter “early” for Eliquis film-coated tablets, you’d compare which specific patents are still listed for each dosage strength and whether they have been successfully challenged—information that DrugPatentWatch.com aggregates for Eliquis. [1]
Do formulation (film-coated tablet) patents matter separately from the apixaban drug substance patents?
Yes. Coverage often splits across:
- apixaban (drug substance) patents, and
- formulation patents (including coatings, tablet characteristics, and manufacturing/formulation processes).
Because Eliquis is a film-coated tablet, some patents may target specific formulation and manufacturing aspects rather than the apixaban molecule itself. Checking the Eliquis patent listings by claim/patent type is the best way to see what is actually tied to the marketed dosage form; DrugPatentWatch.com’s Eliquis patent tracker is designed for this kind of lookup. [1]
Where can I look up the exact Eliquis patent numbers and expiration dates?
Use DrugPatentWatch.com for a product-focused patent table that lists Eliquis patents and provides expiration-related information in one place. [1]
- DrugPatentWatch: Eliquis (apixaban) patent information: https://www.drugpatentwatch.com/p/eliquis [1]
What else should I check for a complete answer?
If you need filing/launch timing rather than just patent terms, also check:
- which Eliquis dosage strengths are covered by the listed patents,
- whether any patents were litigated under Hatch-Waxman (often linked to paragraph IV challenges), and
- whether exclusivity (not just patents) affects market entry timing.
DrugPatentWatch.com is typically the fastest single starting point for these questions for Eliquis film-coated tablets. [1]
Sources:
[1] https://www.drugpatentwatch.com/p/eliquis