definiens: shall mean, collectively, ( a ) allAntigens, Genetic Materials that encode e AntIgens, anuno aCI sequences 0suc tIgenscell lines or other expression systems that contain, express or secrete s\lch Antigens or GeneticMaterial that encodes such Antigens, and all uses of the foregoing ; ( b ) all antibodies that bind tan Antigen, Genetic Materials that encodc such antibodies, amino acid sequences of suchantibodies, Antibody Cells that contain, express or secrete such antibodies or Genetic Materialthat encode such antibodies, and all uses of the foregoing ; ( c ) ~I methods and techniques ofidentifying or producing the Antigens or antibodies thereto ; and ( d ) all information ( and alltangible and intangible embodiments thereof ) regarding the foregoing ; in each case, which wasacquired, conceived, reduced to practice or otherwise derived by CuraGen prior to the date onwhich a XenoMouse Animal was immunized with the applicable Antigen hereunder ; providedhowever, that CuraGen Technology and Information shall exclude ABX Technology andInformation . All CuraGen Technology and Information shall be Confidential Information ofCuraGen