Share this article Share this article CRANBURY, N.J., May 4, 2021 /PRNewswire/ -- Palatin Technologies, Inc. (NYSE American: PTN), a biopharmaceutical company developing first-in-class medicines based on molecules that modulate the activity of the melanocortin peptide receptor systems, today announced that the United States Patent and Trademark Office (USPTO) issued Notices of Final Determination and Requirement for Election on a patent term extension for two U.S. patents covering the Vyleesi® (bremelanotide injection) drug substance, U.S. patents 6,579,968 and 6,794,489. The term of only one patent may be extended and will have an expiration date of June 25, 2025. Vyleesi is the only on-demand drug approved by the U.S. Food and Drug Administration for treatment of hypoactive (low) sexual desire disorder (HSDD) in women who have not gone through menopause. For more information on Vyleesi, go to www.vyleesi.com.