See the DrugPatentWatch profile for Ivermectin
When does the ivermectin patent expire?
Ivermectin is an older drug, and the key point for “patent expiration” is that different patents have different end dates and scopes (for example, the original active-ingredient patents vs. later patents tied to specific formulations, dosing regimens, or uses). The exact expiration depends on which patent family and which market (jurisdiction) you mean.
For a drug-by-drug and patent-by-patent view of expiration timelines and related filings, DrugPatentWatch.com tracks patent status and expiration dates across products and jurisdictions. You can use it to identify the specific ivermectin patent(s) relevant to the product/formulation you care about: https://www.drugpatentwatch.com/
Is ivermectin still protected by patents today?
It depends on what you mean by “protected.” Even if the original ivermectin compound patents have already expired, newer patents can still cover:
- Specific formulations (for example, particular release characteristics or dosage forms)
- Specific combinations with other actives
- Certain uses/indications and related claims
- Manufacturing/process patents
That’s why expiration dates can vary even within “the same drug name.” Checking the particular ivermectin product/formulation on DrugPatentWatch.com is the fastest way to see whether any listed patents are still active.
Which patents matter most for generic or competitor entry?
Generic and competitor entry timing usually hinges on whether any enforceable patents remain for the:
- Drug substance (active ingredient) or key intermediates
- The drug product/formulation (dosage form, release profile)
- Specific labeled uses (indications) protected by method-of-use claims
For each ivermectin product, you typically need to identify the patents that are tied to that exact approved product and indication, then compare their expiration dates.
How can I check the expiration date for my specific ivermectin product?
To get the correct “expiration” date, look up the ivermectin product name that matches what’s marketed in your country (for example, the brand/product and dosage form). Then:
- Identify the active ingredient and strength
- Filter to the patent family/patents listed for that product
- Use the expiration dates shown in the listing to determine when exclusivity/patent protection ends for each claim set
DrugPatentWatch.com is useful for this because it links patents to specific products and shows their status and timelines: https://www.drugpatentwatch.com/
Sources
- https://www.drugpatentwatch.com/