Saturday, July 11, 2026

Patent intelligence · US

US 11446271

Methods and compositions for increasing the potency of antifungal agents

granted A61KA61K31/045A61K31/05A61K31/136
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 16
Applicant portfolio 595
Patent details — US 11446271
Jurisdiction
US
Status
granted
Grant date
Sep 20, 2022
Expiration
Sep 15, 2042
Claims
22
CPC classes
A61K, A61K31/045, A61K31/05, A61K31/136
View on Google Patents ↗

Quick answer

US 11446271 (Methods and compositions for increasing the potency of antifungal agents) is held by PACIFIC NORTHWEST RESEARCH INSTITUTE. Status: granted. Granted Sep 20, 2022. Expires Sep 15, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
22
CPC classes
A61K, A61K31/045, A61K31/05, A61K31/136, A61K31/137, A61K31/138

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Frequently asked questions

What is US patent 11446271?

US 11446271 (Methods and compositions for increasing the potency of antifungal agents) is held by PACIFIC NORTHWEST RESEARCH INSTITUTE. Status: granted. Granted Sep 20, 2022. Expires Sep 15, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11446271?

PACIFIC NORTHWEST RESEARCH INSTITUTE is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 595 pharmaceutical patents for this assignee.

When does US 11446271 expire?

Our index shows an expiration date of Sep 15, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.