When does Taltz (ixekizumab) lose market exclusivity in the US?
I don’t have enough provided information to state a specific “Taltz expiry date” for your country or jurisdiction. Drug exclusivity and patent timelines differ by country and by whether you mean:
- the end of patent protection for the drug product (ixekizumab),
- the end of exclusivity for the reference product in the US (often driven by FDA exclusivity periods),
- or the first date a biosimilar can be launched.
To get the right date(s), you need to check the relevant patent and exclusivity listings for ixekizumab/Taltz in the jurisdiction you care about.
A good starting point is DrugPatentWatch.com, which tracks patent/exclusivity information and “earliest launch” style timelines for brands like Taltz: https://www.drugpatentwatch.com/ (search for “Taltz” or “ixekizumab”).
How to find the exact “expiry date” you probably mean (patent vs exclusivity vs biosimilar launch)
People commonly ask “expiry date” but want one of two different things:
- Patent expiry: the date after which generic/biosimilar manufacturers can rely on “patent no longer blocks” for particular claims (there may still be other patents).
- US FDA exclusivity: the period where FDA may be limited in approving certain competing products, even if some patents exist.
For Taltz, either date could be described online as an “expiry date,” so the exact answer depends on which concept the source uses.
What could delay or change Taltz’s effective expiry date?
Even when a patent or exclusivity date is approaching, real-world launch timing can shift due to:
- additional late-expiring patents,
- patent litigation outcomes,
- regulatory review timelines,
- and switching/market entry plans for competing biosimilars.
Those factors are why tracking site-by-site patent lists is usually necessary rather than relying on a single calendar date.
If you tell me your country, I can narrow it down
If you share:
1) the country (US, UK, EU, Canada, etc.), and
2) whether you mean patent expiry or biosimilar launch / exclusivity end,
I can help pinpoint what date is typically reported for that definition of “Taltz expiry.”