Wednesday, July 8, 2026

Patent intelligence · US

US 9801849

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 9801849
Jurisdiction
US
Status
granted
Grant date
Oct 31, 2017
Expiration
Oct 26, 2037
Claims
18
CPC classes
A61K, A61K31/352, A61K9/0014, A61K9/0019
View on Google Patents ↗

Quick answer

US 9801849 (Ultrapure tetrahydrocannabinol-11-oic acids) is held by Corbus Pharmaceuticals, Inc.. Status: granted. Granted Oct 31, 2017. Expires Oct 26, 2037 (11 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
18
CPC classes
A61K, A61K31/352, A61K9/0014, A61K9/0019, A61K9/0048, A61K9/0053

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Frequently asked questions

What is US patent 9801849?

US 9801849 (Ultrapure tetrahydrocannabinol-11-oic acids) is held by Corbus Pharmaceuticals, Inc.. Status: granted. Granted Oct 31, 2017. Expires Oct 26, 2037 (11 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9801849?

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 9801849 expire?

Our index shows an expiration date of Oct 26, 2037 (11 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.