When did the patent for ivermectin run?

When did the ivermectin patent expire?

I don’t have enough provided information to state the exact “run/expiration” date for an ivermectin patent. Patent expiration dates depend on which specific patent family (and jurisdiction/country) you mean—different patents covering ivermectin were filed and granted at different times, and each can expire on a different schedule.

Which patent are you asking about?

If you tell me either (a) the country (for example, US or UK) or (b) the patent number / brand (for example, Stromectol is ivermectin), I can pinpoint the likely expiration date for that specific patent.

How to check the expiration date quickly

DrugPatentWatch.com can help identify the relevant patent(s) and show key dates tied to ivermectin exclusivity and patents in specific markets. You can search ivermectin on DrugPatentWatch here: https://www.drugpatentwatch.com/ (search for “ivermectin”).

What “ran” could mean in practice

People sometimes say a patent “ran” to mean one of these:
- The last US patent listed for the product expired (often later than initial filings)
- Regulatory exclusivity ended (can be separate from patent expiry)
- A specific formulation or use patent expired (not the original drug substance)

If you share the market (US/EU/etc.) and the specific patent or product, I can give the exact date.

Sources cited

1. https://www.drugpatentwatch.com/