Wednesday, July 8, 2026

Patent intelligence · US

US 10519186

Nucleotide hemi-sulfate salt for the treatment of hepatitis C virus

granted A61KA61K31/7076A61K31/708A61K45/06
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 13
Applicant portfolio 35
Patent details — US 10519186
Jurisdiction
US
Status
granted
Grant date
Dec 31, 2019
Expiration
Dec 26, 2039
Claims
52
CPC classes
A61K, A61K31/7076, A61K31/708, A61K45/06
View on Google Patents ↗

Quick answer

US 10519186 (Nucleotide hemi-sulfate salt for the treatment of hepatitis C virus) is held by Atea Pharmaceuticals, Inc.. Status: granted. Granted Dec 31, 2019. Expires Dec 26, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
52
CPC classes
A61K, A61K31/7076, A61K31/708, A61K45/06, A61K9/20, A61K9/2054

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Frequently asked questions

What is US patent 10519186?

US 10519186 (Nucleotide hemi-sulfate salt for the treatment of hepatitis C virus) is held by Atea Pharmaceuticals, Inc.. Status: granted. Granted Dec 31, 2019. Expires Dec 26, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 10519186?

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 10519186 expire?

Our index shows an expiration date of Dec 26, 2039 (13 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.