When does the Xalkori (crizotinib) patent expire?
The specific “patent expiration date” for Xalkori depends on which patent you mean (drug substance, formulation, or method-of-use) and which country’s patent system applies. Patent dates also differ from regulatory exclusivity (which can extend protection even after a patent expires). The provided information does not include the relevant Xalkori patent numbers, jurisdictions, or the specific expiration date you’re looking for, so an exact expiration date can’t be stated here.
Which patents protect Xalkori, and how do their end dates differ?
Xalkori protection typically comes from multiple overlapping patent families. Each family can end on a different schedule depending on:
- jurisdiction (e.g., U.S. vs. EU vs. Japan)
- the patent type (composition-of-matter, method-of-treatment, etc.)
- any patent term adjustments or extensions granted by regulators
Without the particular patent family number(s) you mean, the exact expiration date for “Xalkori patent” can’t be pinned down.
What’s the difference between patent expiration and market exclusivity?
Even after patents expire, marketing of generic or biosimilar versions can be blocked by regulatory exclusivity (depending on the approval jurisdiction and product history). That means the “earliest possible date a competitor can launch” is sometimes later than the patent expiration date.
Can generics or competing drugs enter before patent expiration?
If a competitor can launch under a different legal pathway (for example, with non-infringing claims, early challenges, or after specific exclusivity ends), they may enter before a broader patent portfolio fully expires. The timing depends on the outcome of litigation and the specific patents asserted, which isn’t provided here.
What I need from you to give the exact expiration date
If you share any one of the following, I can give a precise expiration date for that scope:
- Country/jurisdiction (U.S., EP, UK, Japan, etc.)
- Which patent (number or patent family link)
- Whether you mean crizotinib drug protection generally or a specific Xalkori label/indication
Sources: None provided in the prompt to cite.