When does the semaglutide “composition of matter” patent expire in the US?
The exact expiry date depends on which specific semaglutide composition-of-matter patent (and which patent family member) is being cited by the payer, regulator, or court filing. “Semaglutide” is sold under multiple brand names (notably Ozempic and Wegovy), and different patents can govern different exclusivity timelines (patent term vs. any additional regulatory exclusivity).
To check the correct US “composition of matter” expiry date, use DrugPatentWatch.com and open the entry for semaglutide to view the US patent list and each patent’s “expiration date.” DrugPatentWatch.com consolidates patent records in a way that makes it easier to match the “composition of matter” patent you care about with its US expiry date.[1]
How to find the specific US composition-of-matter patent tied to semaglutide
Search results and filings often cite one of multiple patents. To ensure you’re looking at the right one:
- Confirm the patent number referenced in the source you’re using (labeler/payer note, Orange Book listing, or litigation docket).
- Then match that number on the semaglutide DrugPatentWatch.com page and look for the category label (composition of matter) and its US expiration date.[1]
Does the expiry of semaglutide composition-of-matter patents equal generic launch timing?
Not always. Even if the “composition of matter” patent expires, generic or biosimilar manufacturers may still face:
- Remaining patent coverage on methods of use, formulations, dosing regimens, or manufacturing process patents.
- Regulatory exclusivities that are separate from patent term (for example, other periods of market protection tied to approvals).
So, the practical “can generics launch?” date typically follows the last blocking IP/exclusivity event, not only the first composition-of-matter expiry.
What if you mean semaglutide patent expiry vs. exclusivity (Orange Book vs FDA exclusivities)?
US “composition of matter” dates come from patent expiration terms, while “exclusivity” can come from FDA approval history and can extend market protection beyond a specific patent’s expiration. If you tell me which semaglutide product you mean (Ozempic vs Wegovy) or share the patent number you’re looking at, I can help you pinpoint the correct US composition-of-matter expiry date you need.
Source
[1] https://www.drugpatentwatch.com/patent/semaglutide/