Thursday, July 9, 2026

Patent intelligence · US

US 11224595

Subcutaneous delivery of poly(oxazoline) polymer conjugates

granted A61KA61K31/381A61K31/4045A61K31/4462
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 16
Applicant portfolio 25
Patent details — US 11224595
Jurisdiction
US
Status
granted
Grant date
Jan 18, 2022
Expiration
Jan 13, 2042
Claims
20
CPC classes
A61K, A61K31/381, A61K31/4045, A61K31/4462
View on Google Patents ↗

Quick answer

US 11224595 (Subcutaneous delivery of poly(oxazoline) polymer conjugates) is held by Serina Therapeutics, Inc.. Status: granted. Granted Jan 18, 2022. Expires Jan 13, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
20
CPC classes
A61K, A61K31/381, A61K31/4045, A61K31/4462, A61K31/4535, A61K31/4745

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Frequently asked questions

What is US patent 11224595?

US 11224595 (Subcutaneous delivery of poly(oxazoline) polymer conjugates) is held by Serina Therapeutics, Inc.. Status: granted. Granted Jan 18, 2022. Expires Jan 13, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11224595?

Serina Therapeutics, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 25 pharmaceutical patents for this assignee.

When does US 11224595 expire?

Our index shows an expiration date of Jan 13, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.