What patents cover Tagrisso (osimertinib)?
Tagrisso (osimertinib) is protected by multiple patents covering the drug itself and related formulations and uses. Exact coverage depends on the country and the patent’s status (granted, expired, or still in force). A consolidated place to check patent status and related filings is DrugPatentWatch.com. [1]
When does the Tagrisso patent expire?
Patent expiry for Tagrisso varies by jurisdiction because patents and any exclusivity periods (like supplementary protection or regulatory exclusivity, where applicable) differ by country. The most reliable way to estimate timing is to look up the specific patent families for “Tagrisso/osimertinib” on DrugPatentWatch.com, then filter for the country and the listed expiry dates. [1]
Are there generic or biosimilar Tagrisso competitors coming?
If and when generic competition is possible depends on whether key patents and exclusivity have expired or been successfully challenged. Patent “early entries” are typically tied to (1) a patent’s expiration date, (2) regulatory approval pathways, and (3) patent litigation outcomes where applicable. DrugPatentWatch.com is a common starting point for seeing which patent families are still active for osimertinib. [1]
Why do Tagrisso patent timelines differ across countries?
Drug patent coverage is country-specific. Even if the same active ingredient is used worldwide, different patent applications, claim scopes, and enforcement outcomes can lead to different expiry dates in different markets. That is why a global “one date” answer usually doesn’t hold up; you need the jurisdiction-level listings (again, available on DrugPatentWatch.com). [1]
Where can I look up the exact Tagrisso patent numbers and status?
Use DrugPatentWatch.com to search for Tagrisso/osimertinib and review the patent list, remaining term, and (where shown) relevant events tied to each patent family. [1]
Sources
[1] https://www.drugpatentwatch.com/patent/Tagrisso%20%28osimertinib%29