Wednesday, July 8, 2026

Patent intelligence · US

US 11090290

Clonidine and/or clonidine derivatives for use in the prevention of skin injury resulting from radiotherapy

granted A61KA61K2300/00A61K31/4168A61K45/06
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 15
Applicant portfolio 3
Patent details — US 11090290
Jurisdiction
US
Status
granted
Grant date
Aug 17, 2021
Expiration
Aug 12, 2041
Claims
8
CPC classes
A61K, A61K2300/00, A61K31/4168, A61K45/06
View on Google Patents ↗

Quick answer

US 11090290 (Clonidine and/or clonidine derivatives for use in the prevention of skin injury resulting from radiotherapy) is held by Monopar Therapeutics Inc.. Status: granted. Granted Aug 17, 2021. Expires Aug 12, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
8
CPC classes
A61K, A61K2300/00, A61K31/4168, A61K45/06, A61K9/006, A61K9/205

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Frequently asked questions

What is US patent 11090290?

US 11090290 (Clonidine and/or clonidine derivatives for use in the prevention of skin injury resulting from radiotherapy) is held by Monopar Therapeutics Inc.. Status: granted. Granted Aug 17, 2021. Expires Aug 12, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11090290?

Monopar Therapeutics Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 3 pharmaceutical patents for this assignee.

When does US 11090290 expire?

Our index shows an expiration date of Aug 12, 2041 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.