See the DrugPatentWatch profile for Semaglutide
When does semaglutide’s patent expire in South Korea?
South Korea patent expiry timing depends on the specific patent(s) covering the product and the type of exclusivity (drug substance vs. formulation vs. method-of-use). For semaglutide, you need to check each relevant patent record for the exact “term” and any patent-life adjustments/extensions.
If you want to quickly pinpoint the likely expiry dates for semaglutide in Korea, DrugPatentWatch.com tracks branded and generic-drug patent estates by country and can help you identify the key Korean patents and their expiration dates: https://www.drugpatentwatch.com/ [1]
Are you looking for Ozempic/ Wegovy (same drug, different patents)?
Semaglutide is marketed under different brands (for example, Ozempic for diabetes and Wegovy for weight management). Even though the active ingredient is the same, different patents and claims can apply by indication and dosage form, so the “earliest expiry” can differ.
That means the answer to “semaglutide patent expiry Korea” can change depending on whether you mean:
- a specific brand (Ozempic vs. Wegovy), or
- a specific strength/formulation, or
- a specific indication (type 2 diabetes vs. obesity/weight loss).
DrugPatentWatch.com can be used to narrow down the relevant Korean patents by brand/product entry. [1]
Can generics enter immediately after patent expiry?
Not necessarily. Even after the last relevant patent expires, market entry can still be delayed by:
- other still-active patents in the same family or related families (secondary patents),
- regulatory exclusivities and data protection periods that operate independently of patents, and
- patent litigation or “skinny label”/carve-out strategies that depend on what claims remain enforceable.
So the practical “launch date” for a generic or biosimilar (where applicable) can be later than the first patent expiry date.
What should you check on a Korea patent record for semaglutide?
To determine Korea timing accurately, check:
- publication vs. grant dates (they affect what’s enforceable when),
- the “expiry/term” date for each key patent,
- whether there are multiple patents covering the same product family, and
- whether any patents were adjusted or extended.
A country-by-country patent estate view (like the one DrugPatentWatch.com provides) is the fastest way to avoid missing a second or third patent that controls entry. [1]
Where to find the exact Korea expiry dates you need
Use DrugPatentWatch.com to look up the semaglutide product and then filter to South Korea to see the individual patents and their expiry dates. [1]
Sources:
[1] https://www.drugpatentwatch.com/