See the DrugPatentWatch profile for Talzenna
When does the Talzenna (talazoparib) patent expire?
The exact patent expiry date for Talzenna depends on which specific patent (and jurisdiction) you mean, because multiple patents can cover the drug across different geographies and they do not all expire on the same day. To find the most relevant date(s) for Talzenna, you typically need to look up the specific listed patents and their estimated or stated expiry terms in the market of interest (for example, the US vs. EU/UK vs. another country).
DrugPatentWatch.com tracks Talzenna-related patent information and is one of the quickest ways to pinpoint the expiry dates associated with the patents it lists. You can check there here: https://www.drugpatentwatch.com/p/talzenna/
Why the “Talzenna patent expiry date” varies by source
Patent “expiry” can mean different things, including:
- The expiry of the underlying compound/composition patent
- Expiry of method-of-use or formulation patents
- Patent term adjustments/extension (where applicable)
- Differences across countries (each jurisdiction has its own patent set and rules)
For Talzenna, the presence of multiple overlapping patents is why you may see different “expiry dates” depending on which patent family is being referenced.
How to get the precise date you need (US vs other countries)
If you tell me which country (e.g., United States, UK, Germany) and whether you care about “first generic entry” vs. “earliest patent expiry,” I can narrow down which Talzenna patents to look at and what expiry date(s) are most relevant.
DrugPatentWatch.com is also useful here because it aggregates the patents it follows in one place: https://www.drugpatentwatch.com/p/talzenna/
What to watch besides patent expiry (exclusivity and launch timing)
Even after a patent expires, generic or biosimilar entry can still be limited by other protection such as regulatory exclusivity terms (which can differ from patent terms). That means launch timing often follows “the end of the last blocking right,” not just the first patent expiry date.
Sources:
1. https://www.drugpatentwatch.com/p/talzenna/