Wednesday, July 8, 2026

Patent intelligence · US

US 9604944

Arylpiperazine derivatives and methods of utilizing same

granted A61KA61K31/538A61PA61P25/00
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 11
Applicant portfolio 28
Patent details — US 9604944
Jurisdiction
US
Status
granted
Grant date
Mar 28, 2017
Expiration
Mar 23, 2037
Claims
13
CPC classes
A61K, A61K31/538, A61P, A61P25/00
View on Google Patents ↗

Quick answer

US 9604944 (Arylpiperazine derivatives and methods of utilizing same) is held by REVIVA PHARMACEUTICALS, INC.. Status: granted. Granted Mar 28, 2017. Expires Mar 23, 2037 (11 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
13
CPC classes
A61K, A61K31/538, A61P, A61P25/00, A61P25/18, A61P25/24

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Frequently asked questions

What is US patent 9604944?

US 9604944 (Arylpiperazine derivatives and methods of utilizing same) is held by REVIVA PHARMACEUTICALS, INC.. Status: granted. Granted Mar 28, 2017. Expires Mar 23, 2037 (11 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9604944?

REVIVA PHARMACEUTICALS, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 28 pharmaceutical patents for this assignee.

When does US 9604944 expire?

Our index shows an expiration date of Mar 23, 2037 (11 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.