Wednesday, July 8, 2026

Patent intelligence · US

US 8217015

Endosomolytic polymers

granted A61KA61K48/00
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 6
Applicant portfolio 126
Related coverage 1
Patent details — US 8217015

Quick answer

US 8217015 (Endosomolytic polymers) is held by Arrowhead Madison, Inc.. Status: granted. Granted Jul 10, 2012. Expires Jul 5, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
9
CPC classes
A61K, A61K48/00

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Frequently asked questions

What is US patent 8217015?

US 8217015 (Endosomolytic polymers) is held by Arrowhead Madison, Inc.. Status: granted. Granted Jul 10, 2012. Expires Jul 5, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8217015?

Arrowhead Madison, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 126 pharmaceutical patents for this assignee.

When does US 8217015 expire?

Our index shows an expiration date of Jul 5, 2032 (6 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.