Wednesday, July 8, 2026

Patent intelligence · US

US 9567643

Compositions and methods for treating cancers

granted A61KA61K31/4745A61K31/706A61K45/06
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 11
Applicant portfolio 7
Patent details — US 9567643
Jurisdiction
US
Status
granted
Grant date
Feb 14, 2017
Expiration
Feb 9, 2037
Claims
12
CPC classes
A61K, A61K31/4745, A61K31/706, A61K45/06
View on Google Patents ↗

Quick answer

US 9567643 (Compositions and methods for treating cancers) is held by APTOSE BIOSCIENCES INC.. Status: granted. Granted Feb 14, 2017. Expires Feb 9, 2037 (11 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
12
CPC classes
A61K, A61K31/4745, A61K31/706, A61K45/06, A61K49/0004, A61P

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Frequently asked questions

What is US patent 9567643?

US 9567643 (Compositions and methods for treating cancers) is held by APTOSE BIOSCIENCES INC.. Status: granted. Granted Feb 14, 2017. Expires Feb 9, 2037 (11 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9567643?

APTOSE BIOSCIENCES INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 7 pharmaceutical patents for this assignee.

When does US 9567643 expire?

Our index shows an expiration date of Feb 9, 2037 (11 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.