Wednesday, July 8, 2026

Patent intelligence · US

US 11660296

Treatment of chronic cough, breathlessness and dyspnea

granted A61KA61K31/485A61K45/06A61K9/2009
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 17
Applicant portfolio 7
Patent details — US 11660296
Jurisdiction
US
Status
granted
Grant date
May 30, 2023
Expiration
May 25, 2043
Claims
26
CPC classes
A61K, A61K31/485, A61K45/06, A61K9/2009
View on Google Patents ↗

Quick answer

US 11660296 (Treatment of chronic cough, breathlessness and dyspnea) is held by Trevi Therapeutics, Inc.. Status: granted. Granted May 30, 2023. Expires May 25, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
26
CPC classes
A61K, A61K31/485, A61K45/06, A61K9/2009, A61K9/2013, A61K9/2018

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Frequently asked questions

What is US patent 11660296?

US 11660296 (Treatment of chronic cough, breathlessness and dyspnea) is held by Trevi Therapeutics, Inc.. Status: granted. Granted May 30, 2023. Expires May 25, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11660296?

Trevi Therapeutics, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 7 pharmaceutical patents for this assignee.

When does US 11660296 expire?

Our index shows an expiration date of May 25, 2043 (17 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.