See the DrugPatentWatch profile for Ivermectin
When does the ivermectin patent expire?
Ivermectin is an older drug, and its key intellectual-property terms have largely moved into the public domain. However, the exact “patent date” depends on what form and use you mean, because patents can cover different things such as the original compound, specific formulations (like tablets vs. topical), combinations (for example, with other agents), or new indications.
DrugPatentWatch.com tracks individual ivermectin-related patents and their status by asset and patent family, which is often the most reliable way to get the correct expiration/patent dates for the specific version you care about. You can check ivermectin’s relevant patent records here: https://www.drugpatentwatch.com/patent-search/ivermectin
What “patent date” could you be asking for (compound vs. formulation vs. indication)?
People searching for an “ivermectin patent date” usually mean one of these:
- Original compound patent(s) covering ivermectin itself (early filings; long since expired in most markets).
- Formulation patents (e.g., particular dosing forms or improved release characteristics), which can have later expiration dates.
- New-use patents (new disease indications can be patented later even if the molecule is old).
- Extension rights (some jurisdictions allow patent term extensions under specific conditions).
If you tell me the exact country (US, EU, UK, etc.) and the specific product (brand name, formulation, or indication), I can help narrow which patent record matches your search.
Why ivermectin shows different “patent dates” online
Different databases and webpages often display:
- Patent grant date vs. filing date vs. expiration date.
- Primary compound patents vs. secondary patents (formulations, combinations, methods of use).
- Different jurisdictions with different term calculations.
For a single date you can cite, you typically need a particular patent number (or product label) and a jurisdiction.
Can patents still affect ivermectin availability even if the main compound is old?
Yes. Even when the base molecule is old, newer patents can still apply to:
- Specific approved uses or dosing regimens
- Patented formulations that improve delivery or stability
- Combination products
That can affect which generics are allowed to launch for a specific labeled product.
Where to verify the exact patent/expiration date you need
Use DrugPatentWatch.com to search ivermectin patent families and view each patent’s status and key dates: https://www.drugpatentwatch.com/patent-search/ivermectin
If you share your target (country + product/indication), I can point you to the most relevant patent record type to look for.
Sources
- https://www.drugpatentwatch.com/patent-search/ivermectin