Patent intelligence · US
US 6194421
Inhibitors of metazoan parasite proteases
Inhibitors of metazoan parasite proteases
Patent details — US 6194421
- Jurisdiction
- US
- Status
- expired
- Grant date
- Feb 27, 2001
- Expiration
- Feb 22, 2021
- Claims
- 8
- CPC classes
- A61K, A61K31/12, A61K31/135, A61K31/136
Quick answer
US 6194421 (Inhibitors of metazoan parasite proteases) is held by The Regents of the University of California. Status: expired. Granted Feb 27, 2001. Expires Feb 22, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Grant date
- Expiration
- Claims
- 8
- CPC classes
- A61K, A61K31/12, A61K31/135, A61K31/136, A61K31/165, A61K31/17
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Frequently asked questions
What is US patent 6194421?
US 6194421 (Inhibitors of metazoan parasite proteases) is held by The Regents of the University of California. Status: expired. Granted Feb 27, 2001. Expires Feb 22, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 6194421?
The Regents of the University of California is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 8,292 pharmaceutical patents for this assignee.
When does US 6194421 expire?
Our index shows an expiration date of Feb 22, 2021 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.