Thursday, July 9, 2026

Patent intelligence · US

US 11406713

Xanthine oxidase inhibitor formulations

granted A61KA61K31/197A61K31/198A61K31/375
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 16
Applicant portfolio 1
Patent details — US 11406713
Jurisdiction
US
Status
granted
Grant date
Aug 9, 2022
Expiration
Aug 4, 2042
Claims
11
CPC classes
A61K, A61K31/197, A61K31/198, A61K31/375
View on Google Patents ↗

Quick answer

US 11406713 (Xanthine oxidase inhibitor formulations) is held by XORTX THERAPEUTICS, INC.. Status: granted. Granted Aug 9, 2022. Expires Aug 4, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
11
CPC classes
A61K, A61K31/197, A61K31/198, A61K31/375, A61K31/4188, A61K31/4415

Frequently asked questions

What is US patent 11406713?

US 11406713 (Xanthine oxidase inhibitor formulations) is held by XORTX THERAPEUTICS, INC.. Status: granted. Granted Aug 9, 2022. Expires Aug 4, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11406713?

XORTX THERAPEUTICS, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 1 pharmaceutical patents for this assignee.

When does US 11406713 expire?

Our index shows an expiration date of Aug 4, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.