Wednesday, July 8, 2026

Patent intelligence · US

US 9820964

Ultrapure tetrahydrocannabinol-11-oic acids

granted A61KA61K31/352A61K9/0014A61K9/0019
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 11
Applicant portfolio 6
Patent details — US 9820964
Jurisdiction
US
Status
granted
Grant date
Nov 21, 2017
Expiration
Nov 16, 2037
Claims
21
CPC classes
A61K, A61K31/352, A61K9/0014, A61K9/0019
View on Google Patents ↗

Quick answer

US 9820964 (Ultrapure tetrahydrocannabinol-11-oic acids) is held by Corbus Pharmaceuticals, Inc.. Status: granted. Granted Nov 21, 2017. Expires Nov 16, 2037 (11 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
21
CPC classes
A61K, A61K31/352, A61K9/0014, A61K9/0019, A61K9/0048, A61K9/0053

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Frequently asked questions

What is US patent 9820964?

US 9820964 (Ultrapure tetrahydrocannabinol-11-oic acids) is held by Corbus Pharmaceuticals, Inc.. Status: granted. Granted Nov 21, 2017. Expires Nov 16, 2037 (11 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9820964?

Corbus Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 6 pharmaceutical patents for this assignee.

When does US 9820964 expire?

Our index shows an expiration date of Nov 16, 2037 (11 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.