Wednesday, July 8, 2026

Patent intelligence · US

US 11052066

Ultrapure tetrahydrocannabinol-11-oic acids

granted A61KA61K31/352A61K9/0014A61K9/0019
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 15
Applicant portfolio 6
Patent details — US 11052066
Jurisdiction
US
Status
granted
Grant date
Jul 6, 2021
Expiration
Jul 1, 2041
Claims
18
CPC classes
A61K, A61K31/352, A61K9/0014, A61K9/0019
View on Google Patents ↗

Quick answer

US 11052066 (Ultrapure tetrahydrocannabinol-11-oic acids) is held by Corbus Pharmaceuticals, Inc.. Status: granted. Granted Jul 6, 2021. Expires Jul 1, 2041 (15 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 11052066?

US 11052066 (Ultrapure tetrahydrocannabinol-11-oic acids) is held by Corbus Pharmaceuticals, Inc.. Status: granted. Granted Jul 6, 2021. Expires Jul 1, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11052066?

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 11052066 expire?

Our index shows an expiration date of Jul 1, 2041 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.