Antares Pharma Awarded Additional U.S. Patent Protection for OTREXUP™

Antares Pharma

today announced the issuance of U.S. Patent 8,579,865. This new patent is related to a previously issued U.S. patent 8,480,631, and includes additional claims that describe injection devices for the subcutaneous delivery of methotrexate. The expiry date for this patent is 2030. The issuance of this patent further protects the OTREXUP™ injection system by describing the injector and methods of use resulting in methotrexate blood levels bioequivalent to needle and syringe injections. With the addition of this patent, there are now 7 patents listed in the Orange Book related to OTREXUP™. “We continue to make significant progress in our efforts to patent-protect our first in-house proprietary product OTREXUP™, as well