definiens: shall mean the IR IP, plus ( i ) U.S. Patent Nos . 5,916,923, 6,274,171, 6,403,120, 6,419,958, and6,444,708, ( ii ) all other U.S. Patent Rights owned or controlled as of the Signing Date or as of the SettlementEffective Date by [COMPANY] or any of its Affiliates that, but for the licenses contained herein, would be infringedby the manufacture, use, sale, offer for sale or importation of any XR Product ( including Compound to theextent necessary to manufacture XR Product ), and ( iii ) all U.S. Patent Rights, claiming ( directly or indirectly)priority to such U.S. patents and U.S. Patent Rights identified in clause ( i ) and ( ii ) or any of the applications towhich any such U.S. patents or U.S. Patent Rights claim ( directly or indirectly ) priority, that, but for thelicenses contained herein, would be infringed by the manufacture, use, sale, offer for sale or importation ofany XR Product ( including Compound to the extent necessary to manufacture XR Product )