definiens: means any [COMPANY] Patent Rights ( a ) to the extent claimingARC 2172 or a Licensed Product or the manufacture thereof or the use thereof in the Field, or ( b ) that arenecessary or useful for ARCA to exercise the relevant licenses granted to it pursuant to Article 5 . For clarity, the Licensed Patent Rights shall exclude any Patent Rights that relate to the SELEX Inventions or theSELEX Technology and shall include, without limitation, the following United States Patents and theircounterparts throughout the world to the extent not SELEX Inventions or SELEX Technology : UnitedStates Patent Nos . 6,334,318 B1 ; 5,476,766 ; 5,543,293 ; 5,582,981 ; 5,688,291 ; 5,817,785 ; 5,840,867 ; and6,331,398 B1