Friday, July 10, 2026

Patent intelligence · US

US 11166924

N-methyl-d-aspartate receptor allosteric modulators and methods for their use

granted A61KA61K31/165A61K31/166A61K31/4406
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 15
Applicant portfolio 127
Patent details — US 11166924

Quick answer

US 11166924 (N-methyl-d-aspartate receptor allosteric modulators and methods for their use) is held by Qingdao Primedicine Pharmaceutical Company, Ltd.. Status: granted. Granted Nov 9, 2021. Expires Nov 4, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
6
CPC classes
A61K, A61K31/165, A61K31/166, A61K31/4406, A61K31/4409, A61K31/655

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Frequently asked questions

What is US patent 11166924?

US 11166924 (N-methyl-d-aspartate receptor allosteric modulators and methods for their use) is held by Qingdao Primedicine Pharmaceutical Company, Ltd.. Status: granted. Granted Nov 9, 2021. Expires Nov 4, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11166924?

Qingdao Primedicine Pharmaceutical Company, Ltd. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 127 pharmaceutical patents for this assignee.

When does US 11166924 expire?

Our index shows an expiration date of Nov 4, 2041 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.