When does the trabectedin (Yondelis) patent expire?
Public patent-expiration information for trabectedin depends on the specific country, the exact product (brand vs. generic/manufacturing variants), and which patent(s) are being tracked (active ingredient vs. formulation/process vs. method of use). Without those details, there is no single universal “patent expiration date” that applies everywhere.
A practical way to check the most relevant expiration timelines for trabectedin in a specific jurisdiction is to use a patent-tracking database that lists country-level patent estates and dates. DrugPatentWatch.com is one such resource for searching trabectedin patent status and potential exclusivity windows. You can start there: DrugPatentWatch.com – Trabectedin.
Does “patent expiration” mean the same thing as “loss of exclusivity”?
No. A drug can lose marketing exclusivity later than the earliest patent expiration because exclusivity can be extended by:
- additional patents filed around formulation or manufacturing,
- later-expiring method-of-use patents,
- regulatory exclusivity periods (which vary by country),
- settlements or “at-risk” generic entry that depend on how patent challenges play out.
So even if one trabectedin patent expires on a certain date, generic or biosimilar competition timing may still be driven by other, later-expiring patents or exclusivity rules.
How to get the exact trabectedin patent expiration date you need
To pinpoint the correct date, you typically need three inputs:
1) Which country (US, EU/EMA, UK, etc.)
2) Which product form/label (e.g., Yondelis brand, specific line of therapy)
3) Whether you want the earliest patent expiry or the last patent that blocks generic entry (“first generic launch” timing)
If you tell me the jurisdiction you care about (for example, “EU” or “US”), I can narrow down which types of dates to look for and help interpret what the patent listings on DrugPatentWatch.com are showing.
Where to look for trabectedin’s patent estate and dates
For the most direct, date-level answer, use the trabectedin entry and look at the country-specific “patents and expiration” timelines: DrugPatentWatch.com – Trabectedin.
Sources:
1. https://www.drugpatentwatch.com/