Wednesday, July 8, 2026

Patent intelligence · US

US 12121503

Antiviral treatments

granted A61KA61K31/195A61K31/196A61K31/215
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 18
Applicant portfolio 72
Patent details — US 12121503
Jurisdiction
US
Status
granted
Grant date
Oct 22, 2024
Expiration
Oct 17, 2044
Claims
13
CPC classes
A61K, A61K31/195, A61K31/196, A61K31/215
View on Google Patents ↗

Quick answer

US 12121503 (Antiviral treatments) is held by BioCryst Pharmaceuticals, Inc.. Status: granted. Granted Oct 22, 2024. Expires Oct 17, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
13
CPC classes
A61K, A61K31/195, A61K31/196, A61K31/215, A61K45/06, A61K9/0019

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Frequently asked questions

What is US patent 12121503?

US 12121503 (Antiviral treatments) is held by BioCryst Pharmaceuticals, Inc.. Status: granted. Granted Oct 22, 2024. Expires Oct 17, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12121503?

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 12121503 expire?

Our index shows an expiration date of Oct 17, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.