Antares Pharma announces additional patent coverage for OTREXUP Antares Pharma announced the issuance of U.S. Patents RE44846 and RE44847. These patents are reissued versions of U.S. Patents 7,744,582, and 7,776,015. These patents add protection to OTREXUP as well as Antares’ pipeline products. Antares is taking steps to supplement the current Orange Book listings related to OTREXUP.