Wednesday, July 8, 2026

Patent intelligence · US

US 12186436

Triblock copolymer stabilizers for the formation of nanoparticles encapsulating soluble biologics, therapeutics, and imaging agents

granted A61KA61K9/5153A61K9/5169A61K9/5192
Status granted
Linked drugs 3
Pipeline programs 1
Years to expiry 18
Applicant portfolio 163
Patent details — US 12186436
Jurisdiction
US
Status
granted
Grant date
Jan 7, 2025
Expiration
Jan 2, 2045
Claims
30
CPC classes
A61K, A61K9/5153, A61K9/5169, A61K9/5192
View on Google Patents ↗

Quick answer

US 12186436 (Triblock copolymer stabilizers for the formation of nanoparticles encapsulating soluble biologics, therapeutics, and imaging agents) is held by THE TRUSTEES OF PRINCETON UNIVERSITY. Status: granted. Granted Jan 7, 2025. Expires Jan 2, 2045 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
30
CPC classes
A61K, A61K9/5153, A61K9/5169, A61K9/5192

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Frequently asked questions

What is US patent 12186436?

US 12186436 (Triblock copolymer stabilizers for the formation of nanoparticles encapsulating soluble biologics, therapeutics, and imaging agents) is held by THE TRUSTEES OF PRINCETON UNIVERSITY. Status: granted. Granted Jan 7, 2025. Expires Jan 2, 2045 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12186436?

THE TRUSTEES OF PRINCETON UNIVERSITY is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 163 pharmaceutical patents for this assignee.

When does US 12186436 expire?

Our index shows an expiration date of Jan 2, 2045 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.