Supernus Pharmaceuticals, Inc. (NASDAQ:SUPN), a specialty pharmaceutical company focused on developing and commercializing products for the treatment of central nervous system diseases, today announced the issuance on January 24, 2017 of a seventh patent (number 9,549,940) by the United States Patent and Trademark Office (USPTO) covering Trokendi XR®, its novel once-daily extended-release topiramate product. The patent provides protection for the product with expiration that is no earlier than 2027.