Who currently holds the patent for levetiracetam?
Levetiracetam’s key patents were filed by the original developer (the Janssen pharmaceutical group, which traces back to Janssen Pharmaceutica/Janssen) during the 1990s. Those early patents have since expired in most countries, which is why levetiracetam is available as many generic products.
Which companies market levetiracetam today, and do any still have active patents?
Today, levetiracetam is marketed by multiple companies in different countries as branded and generic versions. Brand ownership and market authorization holders can differ by country, and remaining patent coverage (if any) would typically relate to specific formulations, methods of use, or long-acting versions rather than the original active ingredient. The exact “current patent owner” therefore depends on the jurisdiction and the specific patent family.
How can you check the patent owner for your country?
To identify the current patent holder(s) precisely, you need to search:
- the national patent office database for your country, or
- global patent databases (using the active ingredient name "levetiracetam" and trade names/assignee names found in those records).
If you tell me which country (and whether you mean the original drug substance patent or a specific formulation), I can narrow the search to the most relevant patent records based on what’s publicly indexed.
Sources
No sources were provided with your question, so I can’t cite specific patent documents or assignees from official records here.