Wednesday, July 8, 2026

Patent intelligence · US

US 10603326

Pharmaceutical formulation of 3α-ethynyl-3β-hydroxyandrostan-17-one oxime

granted A61KA61K31/437A61K31/568A61K31/569
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 14
Applicant portfolio 12
Patent details — US 10603326
Jurisdiction
US
Status
granted
Grant date
Mar 31, 2020
Expiration
Mar 26, 2040
Claims
27
CPC classes
A61K, A61K31/437, A61K31/568, A61K31/569
View on Google Patents ↗

Quick answer

US 10603326 (Pharmaceutical formulation of 3α-ethynyl-3β-hydroxyandrostan-17-one oxime) is held by Umecrine Cognition AB. Status: granted. Granted Mar 31, 2020. Expires Mar 26, 2040 (14 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
27
CPC classes
A61K, A61K31/437, A61K31/568, A61K31/569, A61K31/7016, A61K45/06

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Frequently asked questions

What is US patent 10603326?

US 10603326 (Pharmaceutical formulation of 3α-ethynyl-3β-hydroxyandrostan-17-one oxime) is held by Umecrine Cognition AB. Status: granted. Granted Mar 31, 2020. Expires Mar 26, 2040 (14 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 10603326?

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 10603326 expire?

Our index shows an expiration date of Mar 26, 2040 (14 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.