Patent intelligence · US
US 8846638
Macrocyclic nucleoside phosphoramidate derivatives
Macrocyclic nucleoside phosphoramidate derivatives
Patent details — US 8846638
- Jurisdiction
- US
- Status
- granted
- Grant date
- Sep 30, 2014
- Expiration
- Sep 25, 2034
- Applicant
- Enanta Pharmaceuticals, Inc.
- Claims
- 22
- CPC classes
- A61K, A61K31/7064, A61K31/7076, A61K45/06
Quick answer
US 8846638 (Macrocyclic nucleoside phosphoramidate derivatives) is held by Enanta Pharmaceuticals, Inc.. Status: granted. Granted Sep 30, 2014. Expires Sep 25, 2034 (8 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- Enanta Pharmaceuticals, Inc.
- Grant date
- Expiration
- Claims
- 22
- CPC classes
- A61K, A61K31/7064, A61K31/7076, A61K45/06
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Frequently asked questions
What is US patent 8846638?
US 8846638 (Macrocyclic nucleoside phosphoramidate derivatives) is held by Enanta Pharmaceuticals, Inc.. Status: granted. Granted Sep 30, 2014. Expires Sep 25, 2034 (8 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 8846638?
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 8846638 expire?
Our index shows an expiration date of Sep 25, 2034 (8 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.