Thursday, July 9, 2026

Patent intelligence · US

US 8597633

Subcutaneous delivery of poly(oxazoline) conjugates

granted A61KA61K31/381A61K31/4045A61K31/4462
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 7
Applicant portfolio 25
Patent details — US 8597633
Jurisdiction
US
Status
granted
Grant date
Dec 3, 2013
Expiration
Nov 28, 2033
Claims
23
CPC classes
A61K, A61K31/381, A61K31/4045, A61K31/4462
View on Google Patents ↗

Quick answer

US 8597633 (Subcutaneous delivery of poly(oxazoline) conjugates) is held by Serina Therapeutics, Inc.. Status: granted. Granted Dec 3, 2013. Expires Nov 28, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
23
CPC classes
A61K, A61K31/381, A61K31/4045, A61K31/4462, A61K31/4535, A61K31/4745

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Frequently asked questions

What is US patent 8597633?

US 8597633 (Subcutaneous delivery of poly(oxazoline) conjugates) is held by Serina Therapeutics, Inc.. Status: granted. Granted Dec 3, 2013. Expires Nov 28, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8597633?

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 8597633 expire?

Our index shows an expiration date of Nov 28, 2033 (7 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.