Wednesday, July 8, 2026

Patent intelligence · US

US 8163703

Hepatitis C therapies

granted A61KA61K31/7056A61K31/7064A61K31/7068
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 6
Applicant portfolio 72
Patent details — US 8163703
Jurisdiction
US
Status
granted
Grant date
Apr 24, 2012
Expiration
Apr 19, 2032
Claims
31
CPC classes
A61K, A61K31/7056, A61K31/7064, A61K31/7068
View on Google Patents ↗

Quick answer

US 8163703 (Hepatitis C therapies) is held by BioCryst Pharmaceuticals, Inc.. Status: granted. Granted Apr 24, 2012. Expires Apr 19, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
31
CPC classes
A61K, A61K31/7056, A61K31/7064, A61K31/7068, A61K38/212, A61K38/2292

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Frequently asked questions

What is US patent 8163703?

US 8163703 (Hepatitis C therapies) is held by BioCryst Pharmaceuticals, Inc.. Status: granted. Granted Apr 24, 2012. Expires Apr 19, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8163703?

BioCryst Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 72 pharmaceutical patents for this assignee.

When does US 8163703 expire?

Our index shows an expiration date of Apr 19, 2032 (6 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.