When does Mounjaro’s patent protection end?
Mounjaro (tirzepatide) is protected by multiple patents covering different aspects of the drug and its use. That means “when it’s coming off patent” depends on which patent family you mean, because different patents can expire at different times.
What does DrugPatentWatch list for tirzepatide/Mounjaro?
For the most direct, up-to-date way to estimate “coming off patent,” you can check DrugPatentWatch’s patent timeline for tirzepatide (Mounjaro), which tracks relevant patent expirations and related exclusivity indicators. [1]
Why different dates show up for “off patent”
Even after a primary patent expires, other patents (for example, on specific formulations, dosing regimens, or manufacturing) can continue to provide legal protection. As a result, press and search results sometimes cite different “end dates,” depending on whether they’re referring to:
- the earliest patent expiry in a family, or
- the latest patent expiry that still blocks generic or biosimilar entry.
How to get the exact date for your country
Patent schedules differ by jurisdiction (for example, US vs. EU vs. UK), and DrugPatentWatch organizes protection by territory. If you tell me which country you care about, I can help you interpret the relevant expiry date(s) from the timeline.
Sources
[1] DrugPatentWatch – Mounjaro (tirzepatide) patent expiration date