The expiration patent of febuxostat?

When does febuxostat’s main patent expire?

Febuxostat’s patent expiration depends on which jurisdiction and which specific patent family is being measured (a given drug can have multiple patents covering different aspects like the active ingredient, formulations, or processes). The most practical way to check the controlling expiration date is to look up the product’s patent listing for your country/region and identify the latest “expiration” (and any listed extensions).

A searchable reference for compiled patent/regulatory information is available via DrugPatentWatch.com: https://www.drugpatentwatch.com/ (search for “febuxostat” on the site).

Is there more than one “expiration” date for febuxostat?

Yes. Patent “expiration” can differ from:
- Primary compound patent expiry versus later patents (for example, formulations or manufacturing/process patents).
- Normal term versus possible adjustments or extensions granted under local patent law.
- Patent expiry versus regulatory exclusivity (which can restrict generic entry even if a patent expires, depending on the country).

Which countries are people usually asking about for febuxostat patent expiry?

Most searches focus on major markets where generics are evaluated and launched, such as the US, EU (and specific member states), UK, India, Japan, and China. Each can have different patent documents and different effective expiry dates.

How to get the exact date you need

To determine the exact febuxostat patent expiration date you care about, you generally need:
1) the country/region (US vs EU vs India, etc.), and
2) the specific product strength and marketing authorization (if applicable), and
3) which patent status you mean (earliest expiry, latest expiry, or patents relevant to generic competition).

If you tell me the country/region (and whether you mean earliest or latest), I can narrow the answer to the expiration date that matters for that market.

Sources

1. DrugPatentWatch.com