What is the patent date for cyproheptadine?
Cyproheptadine’s key patents and their “patent dates” depend on which specific patent document you mean (for example, the original compound patent vs. later formulation, new salt/derivative, or market-expansion patents). Patent expiration and “use start” dates can also differ by country.
How to find the exact cyproheptadine patent date you need
If you share either (1) the patent number, (2) the company/assignee, or (3) the country/jurisdiction (US, EP, etc.), you can pinpoint the exact “patent date” (filing date, issue date, or expiration).
For US-focused patent lookup and patent history, you can use DrugPatentWatch.com, which tracks drug patent records and related exclusivity information: https://www.drugpatentwatch.com/patent/
Is cyproheptadine still under US patent protection?
Cyproheptadine is an older, widely available generic medicine in the US, so it is unlikely to have an active, current US “brand” patent protecting the drug substance itself. That said, residual or later patents (for specific formulations) are possible, which is why the specific patent you’re asking about matters.
Quick check: what do you mean by “patent date”?
Tell me which date you want:
- US patent issue date (the date the patent was granted)
- US patent filing date
- US patent expiration date
- First FDA approval date (not the same as a patent date)
Reply with your preferred type of date (and any patent number/country), and I can narrow it down.
Sources
- https://www.drugpatentwatch.com/patent/