Wednesday, July 8, 2026

Patent intelligence · US

US 11975016

2′-substituted-N6-substituted purine nucleotides for RNA virus treatment

granted A61KA61K31/675A61K31/7076A61P
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 18
Applicant portfolio 35
Patent details — US 11975016
Jurisdiction
US
Status
granted
Grant date
May 7, 2024
Expiration
May 2, 2044
Claims
26
CPC classes
A61K, A61K31/675, A61K31/7076, A61P
View on Google Patents ↗

Quick answer

US 11975016 (2′-substituted-N6-substituted purine nucleotides for RNA virus treatment) is held by Atea Pharmaceuticals, Inc.. Status: granted. Granted May 7, 2024. Expires May 2, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
26
CPC classes
A61K, A61K31/675, A61K31/7076, A61P, A61P1/00, A61P31/14

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Frequently asked questions

What is US patent 11975016?

US 11975016 (2′-substituted-N6-substituted purine nucleotides for RNA virus treatment) is held by Atea Pharmaceuticals, Inc.. Status: granted. Granted May 7, 2024. Expires May 2, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11975016?

Atea Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 35 pharmaceutical patents for this assignee.

When does US 11975016 expire?

Our index shows an expiration date of May 2, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.