Wednesday, July 8, 2026

Patent intelligence · US

US 9278091

Compounds for the treatment of Clostridium difficile associated disease

granted A61KA61K31/4164A61K31/424A61K31/4365
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 10
Applicant portfolio 20
Patent details — US 9278091
Jurisdiction
US
Status
granted
Grant date
Mar 8, 2016
Expiration
Mar 3, 2036
Claims
24
CPC classes
A61K, A61K31/4164, A61K31/424, A61K31/4365
View on Google Patents ↗

Quick answer

US 9278091 (Compounds for the treatment of Clostridium difficile associated disease) is held by SUMMIT THERAPEUTICS PLC. Status: granted. Granted Mar 8, 2016. Expires Mar 3, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
24
CPC classes
A61K, A61K31/4164, A61K31/424, A61K31/4365, A61K31/437, A61K31/4439

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Frequently asked questions

What is US patent 9278091?

US 9278091 (Compounds for the treatment of Clostridium difficile associated disease) is held by SUMMIT THERAPEUTICS PLC. Status: granted. Granted Mar 8, 2016. Expires Mar 3, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9278091?

SUMMIT THERAPEUTICS PLC is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 20 pharmaceutical patents for this assignee.

When does US 9278091 expire?

Our index shows an expiration date of Mar 3, 2036 (10 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.