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Evofem Strengthens Phexxi® Intellectual Property with New Composition of Matter Patent From USPTO

SAN DIEGO, June 30, 2022 /PRNewswire/ -- Evofem Biosciences, Inc., (NASDAQ:EVFM) announced today that the United States Patent and Trademark Office (USPTO) issued to the Company a Notice of Allowance for patent application 16/738,868 entitled, "Composit