definiens: shall mean, coliectivelyJ(a ) all Antigens, GenetIc Materials that encode the Antigens, amino acid sequences of such Aiiligens cell lines or other expression systems that contain, express or secrete such Antigens or Genetic Material that encodes such Antigens, and all uses of the foregoing ; ( b ) all antibodies that bind to an Antigen, Genetic Materials that encode such antibodies, amino acid sequences of such antibodies, Antibody Cells that contain, express or secrete such antibodies or Genetic Materials that encode such antibodies, and all uses of the foregoing ; ( c ) all methods and techniques of identifying or producing the Antigens or antibodies thereto ; and ( d ) all information ( and all tangible and intangible embodiments thereof ) regarding the foregoing ; in each case, which was acquired, conceived, reduced to practice or otherwise derived by CuraGen prior to the date on which a XenoMouse Animal was immunized with the applicable Antigen hereunder ; provided, however, that CuraGen Technology and Information shall exclude ABX Technology and Information . All CuraGen Technology and Information shall be Confidential Information of CuraGen