Saturday, July 11, 2026

Patent intelligence · US

US 8466290

STAT3 inhibitor containing quinolinecarboxamide derivative as active ingredient

granted A61KA61K31/4709A61PA61P19/02
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 7
Applicant portfolio 201
Patent details — US 8466290
Jurisdiction
US
Status
granted
Grant date
Jun 18, 2013
Expiration
Jun 13, 2033
Applicant
Pharmadesign, Inc.
Claims
30
CPC classes
A61K, A61K31/4709, A61P, A61P19/02
View on Google Patents ↗

Quick answer

US 8466290 (STAT3 inhibitor containing quinolinecarboxamide derivative as active ingredient) is held by Pharmadesign, Inc.. Status: granted. Granted Jun 18, 2013. Expires Jun 13, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Applicant
Pharmadesign, Inc.
Grant date
Expiration
Claims
30
CPC classes
A61K, A61K31/4709, A61P, A61P19/02, A61P29/00, A61P35/00

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Frequently asked questions

What is US patent 8466290?

US 8466290 (STAT3 inhibitor containing quinolinecarboxamide derivative as active ingredient) is held by Pharmadesign, Inc.. Status: granted. Granted Jun 18, 2013. Expires Jun 13, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8466290?

Pharmadesign, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 201 pharmaceutical patents for this assignee.

When does US 8466290 expire?

Our index shows an expiration date of Jun 13, 2033 (7 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.