Wednesday, July 8, 2026

Patent intelligence · US

US 11419835

Method of treatment and prevention of bacterial vaginosis

granted A61KA61K31/19A61K47/12A61K47/36
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 16
Applicant portfolio 8
Patent details — US 11419835
Jurisdiction
US
Status
granted
Grant date
Aug 23, 2022
Expiration
Aug 18, 2042
Applicant
Evofem, Inc.
Claims
21
CPC classes
A61K, A61K31/19, A61K47/12, A61K47/36
View on Google Patents ↗

Quick answer

US 11419835 (Method of treatment and prevention of bacterial vaginosis) is held by Evofem, Inc.. Status: granted. Granted Aug 23, 2022. Expires Aug 18, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Applicant
Evofem, Inc.
Grant date
Expiration
Claims
21
CPC classes
A61K, A61K31/19, A61K47/12, A61K47/36, A61K47/38, A61K9/0034

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Frequently asked questions

What is US patent 11419835?

US 11419835 (Method of treatment and prevention of bacterial vaginosis) is held by Evofem, Inc.. Status: granted. Granted Aug 23, 2022. Expires Aug 18, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11419835?

Evofem, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 8 pharmaceutical patents for this assignee.

When does US 11419835 expire?

Our index shows an expiration date of Aug 18, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.