Wednesday, July 8, 2026

Patent intelligence · US

US 7176208

Quinoxalinyl macrocyclic hepatitis C serine protease inhibitors

granted A61KA61K38/212A61K38/215A61P
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 1
Applicant portfolio 218
Patent details — US 7176208
Jurisdiction
US
Status
granted
Grant date
Feb 13, 2007
Expiration
Feb 8, 2027
Claims
10
CPC classes
A61K, A61K38/212, A61K38/215, A61P
View on Google Patents ↗

Quick answer

US 7176208 (Quinoxalinyl macrocyclic hepatitis C serine protease inhibitors) is held by Enanta Pharmaceuticals, Inc.. Status: granted. Granted Feb 13, 2007. Expires Feb 8, 2027 (1 year remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
10
CPC classes
A61K, A61K38/212, A61K38/215, A61P, A61P31/12, A61P31/14

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Frequently asked questions

What is US patent 7176208?

US 7176208 (Quinoxalinyl macrocyclic hepatitis C serine protease inhibitors) is held by Enanta Pharmaceuticals, Inc.. Status: granted. Granted Feb 13, 2007. Expires Feb 8, 2027 (1 year remaining) — relevant for patent-cliff and LOE planning.

Who owns US 7176208?

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 7176208 expire?

Our index shows an expiration date of Feb 8, 2027 (1 year from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.