Wednesday, July 8, 2026

Patent intelligence · US

US 9428490

Nuclear transport modulators and uses thereof

granted A61PA61P13/12A61P29/00A61P31/12
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 10
Applicant portfolio 38
Patent details — US 9428490
Jurisdiction
US
Status
granted
Grant date
Aug 30, 2016
Expiration
Aug 25, 2036
Claims
8
CPC classes
A61P, A61P13/12, A61P29/00, A61P31/12
View on Google Patents ↗

Quick answer

US 9428490 (Nuclear transport modulators and uses thereof) is held by Karyopharm Therapeutics Inc.. Status: granted. Granted Aug 30, 2016. Expires Aug 25, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
8
CPC classes
A61P, A61P13/12, A61P29/00, A61P31/12, A61P35/00, A61P43/00

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Frequently asked questions

What is US patent 9428490?

US 9428490 (Nuclear transport modulators and uses thereof) is held by Karyopharm Therapeutics Inc.. Status: granted. Granted Aug 30, 2016. Expires Aug 25, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9428490?

Karyopharm Therapeutics Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 38 pharmaceutical patents for this assignee.

When does US 9428490 expire?

Our index shows an expiration date of Aug 25, 2036 (10 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.