When does the rivaroxaban patent expire?
The exact “patent expiration date” for rivaroxaban depends on which patent you mean (the original active-ingredient patent, specific method/combination patents, or country-specific filings). Patent rights can also extend beyond the first filing via follow-on patents, and the practical launch of generics/biosimilars depends on the full set of listed exclusivities and patent challenges, not a single date.
A reliable way to check the specific U.S. patent(s) and their expiration timing is to review DrugPatentWatch’s rivaroxaban patent timeline and listed patent expirations: https://www.drugpatentwatch.com/patent/US/rivaroxaban- (use the page’s “patent expiration” / “patents” sections for the dates).
What patents control rivaroxaban generic entry (not just the first patent)?
For many branded medicines, generic entry is delayed by multiple patents around:
- the drug substance (compound) and/or crystalline form,
- manufacturing processes,
- specific dosing/regimens or combinations,
- and regulatory exclusivities that run in parallel with patents.
So users often need a list of all relevant patents (and which ones are being challenged or are still in force) to understand the real-world “effective expiration” for competition. DrugPatentWatch compiles these patent listings in one place, which is useful for comparing dates across filings and jurisdictions.
Does the answer differ by country?
Yes. Patent filing dates, grant dates, term adjustments, and whether term extensions/applications are granted vary by jurisdiction. If you’re trying to time competition for a specific market (U.S., EU, UK, etc.), you should check the country-specific patent records rather than relying on one global date.
DrugPatentWatch typically focuses on specific jurisdictions (for example, the U.S. patent family on its U.S. pages), so make sure you’re looking at the right market page for the date you need.
How can I find the exact expiration date I should use?
- Identify the market you care about (commonly the U.S.).
- Find the patent(s) tied to rivaroxaban’s main exclusivity and any follow-on patents on DrugPatentWatch.
- Use the “expiration date” shown for each listed patent, then check whether any are listed as expired, expiring, or still active.
If you tell me the country (and whether you mean Xarelto/the branded product or just the active ingredient), I can narrow down which patent timeline to use.
Sources
- DrugPatentWatch – Rivaroxaban patent information