Thursday, July 9, 2026

Patent intelligence · US

US 12036198

Dosage forms and therapeutic uses of L-4-chlorokynurenine

granted A61KA61K31/198A61K9/0053A61P
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 18
Applicant portfolio 6
Patent details — US 12036198
Jurisdiction
US
Status
granted
Grant date
Jul 16, 2024
Expiration
Jul 11, 2044
Claims
18
CPC classes
A61K, A61K31/198, A61K9/0053, A61P
View on Google Patents ↗

Quick answer

US 12036198 (Dosage forms and therapeutic uses of L-4-chlorokynurenine) is held by VISTAGEN THERAPUETICS, INC.. Status: granted. Granted Jul 16, 2024. Expires Jul 11, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
18
CPC classes
A61K, A61K31/198, A61K9/0053, A61P, A61P25/14, A61P25/16

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Frequently asked questions

What is US patent 12036198?

US 12036198 (Dosage forms and therapeutic uses of L-4-chlorokynurenine) is held by VISTAGEN THERAPUETICS, INC.. Status: granted. Granted Jul 16, 2024. Expires Jul 11, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12036198?

VISTAGEN THERAPUETICS, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 6 pharmaceutical patents for this assignee.

When does US 12036198 expire?

Our index shows an expiration date of Jul 11, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.