Wednesday, July 8, 2026

Patent intelligence · US

US 11542290

Phenothiazine derivatives and uses thereof

granted A61PA61P1/00A61P1/12A61P25/28
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 16
Applicant portfolio 4
Patent details — US 11542290
Jurisdiction
US
Status
granted
Grant date
Jan 3, 2023
Expiration
Dec 29, 2042
Claims
6
CPC classes
A61P, A61P1/00, A61P1/12, A61P25/28
View on Google Patents ↗

Quick answer

US 11542290 (Phenothiazine derivatives and uses thereof) is held by CAMP4 Therapeutics Corporation. Status: granted. Granted Jan 3, 2023. Expires Dec 29, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
6
CPC classes
A61P, A61P1/00, A61P1/12, A61P25/28, A61P43/00, A61P7/06

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Frequently asked questions

What is US patent 11542290?

US 11542290 (Phenothiazine derivatives and uses thereof) is held by CAMP4 Therapeutics Corporation. Status: granted. Granted Jan 3, 2023. Expires Dec 29, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11542290?

CAMP4 Therapeutics Corporation is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 4 pharmaceutical patents for this assignee.

When does US 11542290 expire?

Our index shows an expiration date of Dec 29, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.