Saturday, July 11, 2026

Patent intelligence · US

US 9289504

Single protein nanocapsules for protein delivery with long-term effect

granted A61KA61K47/58A61K9/0019A61K9/5169
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 10
Applicant portfolio 8,292
Patent details — US 9289504
Jurisdiction
US
Status
granted
Grant date
Mar 22, 2016
Expiration
Mar 17, 2036
Claims
14
CPC classes
A61K, A61K47/58, A61K9/0019, A61K9/5169
View on Google Patents ↗

Quick answer

US 9289504 (Single protein nanocapsules for protein delivery with long-term effect) is held by The Regents of the University of California. Status: granted. Granted Mar 22, 2016. Expires Mar 17, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
14
CPC classes
A61K, A61K47/58, A61K9/0019, A61K9/5169, A61P, A61P35/00

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Frequently asked questions

What is US patent 9289504?

US 9289504 (Single protein nanocapsules for protein delivery with long-term effect) is held by The Regents of the University of California. Status: granted. Granted Mar 22, 2016. Expires Mar 17, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9289504?

The Regents of the University of California is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 8,292 pharmaceutical patents for this assignee.

When does US 9289504 expire?

Our index shows an expiration date of Mar 17, 2036 (10 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.