Wednesday, July 8, 2026

Patent intelligence · US

US 11173159

Methods and compositions for inhibition of polymerase

granted A61KA61K31/196A61K31/215A61K31/351
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 15
Applicant portfolio 72
Patent details — US 11173159
Jurisdiction
US
Status
granted
Grant date
Nov 16, 2021
Expiration
Nov 11, 2041
Claims
20
CPC classes
A61K, A61K31/196, A61K31/215, A61K31/351
View on Google Patents ↗

Quick answer

US 11173159 (Methods and compositions for inhibition of polymerase) is held by BioCryst Pharmaceuticals, Inc.. Status: granted. Granted Nov 16, 2021. Expires Nov 11, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
20
CPC classes
A61K, A61K31/196, A61K31/215, A61K31/351, A61K31/519, A61K31/7064

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Frequently asked questions

What is US patent 11173159?

US 11173159 (Methods and compositions for inhibition of polymerase) is held by BioCryst Pharmaceuticals, Inc.. Status: granted. Granted Nov 16, 2021. Expires Nov 11, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11173159?

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 11173159 expire?

Our index shows an expiration date of Nov 11, 2041 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.