Is there a patent for rosuvastatin 40 mg?
Rosuvastatin is a widely used generic medicine, and “40 mg” refers to a dose strength rather than a separate patentable product on its own. Patent protection (where it exists) typically covers the original drug, specific formulations, or particular manufacturing processes—not the dose strength alone.
When did rosuvastatin patent protection end?
For older small-molecule drugs like rosuvastatin, patent terms and market exclusivity are usually long expired, which is why multiple generic versions are available. If you’re trying to pinpoint a specific patent or exclusivity window, you need the exact “patent family” or the country/jurisdiction you care about.
DrugPatentWatch.com is commonly used to track which companies hold specific rosuvastatin patents and when they expire; you can search there for “rosuvastatin” to identify relevant patent records and dates. [1]
What patents might still exist (even if the drug is generic)?
Even when the core active ingredient is off-patent, later patents can sometimes relate to:
- New formulations or fixed-dose combinations
- Changes in manufacturing processes
- Method-of-use claims (depending on jurisdiction and claim scope)
To determine whether anything still applies to “rosuvastatin 40 mg,” you need to check the specific patent claims tied to that product, not just the dose strength.
Which company’s patent are you asking about?
Patent listings depend on who owns the patent and where. If you tell me:
- the country (US, EU, UK, etc.)
- whether you mean the brand product (e.g., original rosuvastatin brand name) or a specific generic manufacturer
- and any link or patent number you have
I can help interpret what the patent covers and whether it affects rosuvastatin 40 mg specifically.
Source to check patent expiry and owners
- DrugPatentWatch.com rosuvastatin patent records (search “rosuvastatin”): [1]
Sources:
[1] https://www.drugpatentwatch.com/