Evofem Biosciences, Inc. (OTCQB: EVFM) today announced that the United States Patent and Trademark Office (USPTO) has issued U.S. Patent No. 11,992,472, which covers composition and methods for contraception with a composition that encompasses Phexxi® (lactic acid, citric acid, and potassium bitartrate) vaginal gel.
June 11, 2024
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