Wednesday, July 8, 2026

Patent intelligence · US

US 12151998

Solid drug form of N-(2,6-bis(1-methylethyl)phenyl)-N′-((1-(4-(dimethylamino)phenyl)cyclopentyl)methyl)urea hydrochloride and compositions, …

granted A61KA61K31/17A61K9/2018A61K9/2054
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 18
Applicant portfolio 8,292
Patent details — US 12151998
Jurisdiction
US
Status
granted
Grant date
Nov 26, 2024
Expiration
Nov 21, 2044
Claims
12
CPC classes
A61K, A61K31/17, A61K9/2018, A61K9/2054
View on Google Patents ↗

Quick answer

US 12151998 (Solid drug form of N-(2,6-bis(1-methylethyl)phenyl)-N′-((1-(4-(dimethylamino)phenyl)cyclopentyl)methyl)urea hydrochloride and compositions, methods and kits related thereto) is held by THE REGENTS OF THE UNIVERSITY OF MICHIGAN. Status: granted. Granted Nov 26, 2024. Expires Nov 21, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
12
CPC classes
A61K, A61K31/17, A61K9/2018, A61K9/2054, A61K9/2059, A61K9/2081

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Frequently asked questions

What is US patent 12151998?

US 12151998 (Solid drug form of N-(2,6-bis(1-methylethyl)phenyl)-N′-((1-(4-(dimethylamino)phenyl)cyclopentyl)methyl)urea hydrochloride and compositions, methods and kits related thereto) is held by THE REGENTS OF THE UNIVERSITY OF MICHIGAN. Status: granted. Granted Nov 26, 2024. Expires Nov 21, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12151998?

THE REGENTS OF THE UNIVERSITY OF MICHIGAN is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 8,292 pharmaceutical patents for this assignee.

When does US 12151998 expire?

Our index shows an expiration date of Nov 21, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.