Wednesday, July 8, 2026

Patent intelligence · US

US 11123351

Pharmaceutical formulation of 3-alpha-ethynyl-3-beta-hydroxyandrostan-17-one oxime

granted A61KA61K31/437A61K31/568A61K31/569
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 15
Applicant portfolio 12
Patent details — US 11123351
Jurisdiction
US
Status
granted
Grant date
Sep 21, 2021
Expiration
Sep 16, 2041
Claims
22
CPC classes
A61K, A61K31/437, A61K31/568, A61K31/569
View on Google Patents ↗

Quick answer

US 11123351 (Pharmaceutical formulation of 3-alpha-ethynyl-3-beta-hydroxyandrostan-17-one oxime) is held by Umecrine Cognition AB. Status: granted. Granted Sep 21, 2021. Expires Sep 16, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
22
CPC classes
A61K, A61K31/437, A61K31/568, A61K31/569, A61K31/7016, A61K45/06

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Frequently asked questions

What is US patent 11123351?

US 11123351 (Pharmaceutical formulation of 3-alpha-ethynyl-3-beta-hydroxyandrostan-17-one oxime) is held by Umecrine Cognition AB. Status: granted. Granted Sep 21, 2021. Expires Sep 16, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11123351?

Umecrine Cognition AB is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 12 pharmaceutical patents for this assignee.

When does US 11123351 expire?

Our index shows an expiration date of Sep 16, 2041 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.