Wednesday, July 8, 2026

Patent intelligence · US

US 8133870

Therapeutic furopyrimidines and thienopyrimidines

granted A61KA61K31/675A61K31/7076A61K38/212
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 6
Applicant portfolio 72
Patent details — US 8133870
Jurisdiction
US
Status
granted
Grant date
Mar 13, 2012
Expiration
Mar 8, 2032
Claims
24
CPC classes
A61K, A61K31/675, A61K31/7076, A61K38/212
View on Google Patents ↗

Quick answer

US 8133870 (Therapeutic furopyrimidines and thienopyrimidines) is held by BioCryst Pharmaceuticals, Inc.. Status: granted. Granted Mar 13, 2012. Expires Mar 8, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
24
CPC classes
A61K, A61K31/675, A61K31/7076, A61K38/212, A61K38/2292, A61P

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Frequently asked questions

What is US patent 8133870?

US 8133870 (Therapeutic furopyrimidines and thienopyrimidines) is held by BioCryst Pharmaceuticals, Inc.. Status: granted. Granted Mar 13, 2012. Expires Mar 8, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8133870?

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 8133870 expire?

Our index shows an expiration date of Mar 8, 2032 (6 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.