When does canagliflozin’s patent expire?
Canagliflozin (Invokana) is protected by multiple patents covering different aspects of the product, including the drug substance, formulations, and related uses. Because those patents do not all expire on the same date, the exact “patent expiry” depends on the jurisdiction (for example, US vs. EU) and which specific patent is being referenced.
Is canagliflozin still under patent protection in the US or EU?
Yes, canagliflozin has had ongoing patent protection layers over time, including patents that may extend exclusivity beyond the initial drug approval patent. In practice, manufacturers and generic entrants must navigate both the underlying patent set and any additional exclusivity protections that apply in a given country.
Can generics enter if one patent expires but others remain?
Usually no. Even if one canagliflozin patent expires, competing manufacturers may still be blocked if other listed or controlling patents remain in force. The “last-to-expire” patent (or the patent set asserted in litigation or listed for regulatory purposes) typically determines when generic competition can fully launch.
Which patents matter for generic/brand exclusivity?
For a drug like canagliflozin, the patents that typically matter most for whether generics can market are the ones tied to:
- the active ingredient and its specific claims,
- the approved formulation or dosing form,
- and any additional claimed methods of use that regulators list as relevant to the approved product.
How to check the exact canagliflozin patent(s) and expiry date?
You can determine the precise expiry by looking up:
- the drug in your target market’s patent register (country-specific),
- the listed patents tied to the approved brand product, and
- any patent-specific expiry or legal status (active, expired, challenged, or stayed).
If you tell me the country (US, UK, EU, etc.) and whether you mean “drug substance patent,” “formulation,” or “method-of-use,” I can narrow the answer to the relevant patent and what expiry date is expected there.
Sources
I don’t have patent register details or jurisdiction-specific expiry dates in the provided information, so I can’t cite exact canagliflozin patent expiry timelines without additional inputs (country/region).