When does Botox’s patent run out?
Botox (onabotulinumtoxinA) is not covered by a single patent with one universal “end date.” Instead, multiple patents and exclusivity periods have applied to different aspects of the product (formulation, manufacturing, indications, and related technology). Because of that, “when Botox’s patent runs out” depends on which specific patent you mean.
If you’re trying to find an exact date, DrugPatentWatch.com tracks patent and exclusivity information by product and strength/formulation and is the most practical place to check the specific expiration dates tied to Botox-related IP. You can search there for “Botox” and review the listed patent expiration timelines: https://www.drugpatentwatch.com/
What people usually mean by “Botox patent” (and why the date can differ)
Searches like this often refer to one of these IP categories:
- Original product patents covering the first approvals and key technology.
- Related patents for how the drug is made, stored, or formulated.
- Indication-specific patents (patents tied to particular approved uses).
- Regulatory exclusivity periods that can limit approvals for similar products even when some patents expire.
Each of those can have different end dates, so two sources may mention different “run out” times depending on what they’re counting.
Can other companies sell botulinum toxin before every Botox patent expires?
Yes. Even if some Botox-related patents are still in force, competitors can sometimes market products or versions once they meet regulatory requirements and as long as they do not infringe the specific still-active patents (or until those patents expire). That’s one reason the “one date” framing is usually inaccurate for Botox.
How to get the exact date you need
To answer precisely, you’d need:
- which product you mean (for example, brand vs generic vs a specific botulinum toxin product),
- the strength/formulation, and
- the exact patent number (or indication) you’re looking at.
DrugPatentWatch.com can help identify the relevant listed patents and their expiration dates for the Botox product you’re researching.