Wednesday, July 8, 2026

Patent intelligence · US

US 11337989

Compositions and methods for inhibiting inflammation and diseases using an alginic acid-based antimicrobial compound

granted A61KA61K31/19A61K31/675A61K31/734
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 16
Applicant portfolio 8
Patent details — US 11337989
Jurisdiction
US
Status
granted
Grant date
May 24, 2022
Expiration
May 19, 2042
Applicant
Evofem, Inc.
Claims
19
CPC classes
A61K, A61K31/19, A61K31/675, A61K31/734
View on Google Patents ↗

Quick answer

US 11337989 (Compositions and methods for inhibiting inflammation and diseases using an alginic acid-based antimicrobial compound) is held by Evofem, Inc.. Status: granted. Granted May 24, 2022. Expires May 19, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Applicant
Evofem, Inc.
Grant date
Expiration
Claims
19
CPC classes
A61K, A61K31/19, A61K31/675, A61K31/734, A61K47/12, A61K9/0014

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Frequently asked questions

What is US patent 11337989?

US 11337989 (Compositions and methods for inhibiting inflammation and diseases using an alginic acid-based antimicrobial compound) is held by Evofem, Inc.. Status: granted. Granted May 24, 2022. Expires May 19, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11337989?

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 11337989 expire?

Our index shows an expiration date of May 19, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.