Patent intelligence · US
US 11325916
Spiropyrrolidine derived antiviral agents
Spiropyrrolidine derived antiviral agents
Patent details — US 11325916
- Jurisdiction
- US
- Status
- granted
- Grant date
- May 10, 2022
- Expiration
- May 5, 2042
- Applicant
- Enanta Pharmaceuticals, Inc.
- Claims
- 15
- CPC classes
- A61K, A61K31/404, A61P, A61P31/14
Quick answer
US 11325916 (Spiropyrrolidine derived antiviral agents) is held by Enanta Pharmaceuticals, Inc.. Status: granted. Granted May 10, 2022. Expires May 5, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- Enanta Pharmaceuticals, Inc.
- Grant date
- Expiration
- Claims
- 15
- CPC classes
- A61K, A61K31/404, A61P, A61P31/14
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Frequently asked questions
What is US patent 11325916?
US 11325916 (Spiropyrrolidine derived antiviral agents) is held by Enanta Pharmaceuticals, Inc.. Status: granted. Granted May 10, 2022. Expires May 5, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 11325916?
Enanta Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 218 pharmaceutical patents for this assignee.
When does US 11325916 expire?
Our index shows an expiration date of May 5, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.