Thursday, July 9, 2026

Patent intelligence · US

US 8383093

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 8383093
Jurisdiction
US
Status
granted
Grant date
Feb 26, 2013
Expiration
Feb 21, 2033
Claims
17
CPC classes
A61K, A61K31/381, A61K31/4045, A61K31/4462
View on Google Patents ↗

Quick answer

US 8383093 (Subcutaneous delivery of poly(oxazoline) conjugates) is held by Serina Therapeutics, Inc.. Status: granted. Granted Feb 26, 2013. Expires Feb 21, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
17
CPC classes
A61K, A61K31/381, A61K31/4045, A61K31/4462, A61K31/4535, A61K31/4745

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Frequently asked questions

What is US patent 8383093?

US 8383093 (Subcutaneous delivery of poly(oxazoline) conjugates) is held by Serina Therapeutics, Inc.. Status: granted. Granted Feb 26, 2013. Expires Feb 21, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8383093?

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 8383093 expire?

Our index shows an expiration date of Feb 21, 2033 (7 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.