definiens: shall mean the composition of matter of a whole antibody, or any fragmentthereof, that ( a ) ( i ) is generated under this Agreement from the XenoMouse Animals, ( ii ) binds to and is directedagainst an Antigen that is designated as a Collaboration Antigen, and either ( A ) is generated by ABX from theXenoMouse Animals under an internal program that is not for the benefit ( whether by license, option or similar right ) ofa Third Party, without violating the terms of this Agreement, or ( B ) is generated from the XenoMouse Animals and isotherwise Controlled by ABX as of the date of the designation of such Antigen as a Collaboration Antigen, or ( iii ) bindsto and is directed against a Collaboration Antigen and is generated in connection with ( A ) any work performed by or onbehalf of ABX with respect to the Advanced ABX Antigen or an Accelerated ABX Antigen, Expedited ABX Antigen, Potential Co - Development Antigen or ABX Diagnostic Antigen prior to each such Antigen being designated as aCollaboration Antigen or ( B ) any work performed by or on behalf of ABX pursuant to Section 4.15 with respect to aFailed Antigen prior to such Antigen being re - designated as a Collaboration Antigen, or ( b ) is Derived from ( i ) anyantibody or fragment described in clause ( a ), ( ii ) the amino acid or nucleic acid sequence or sequence information ofany antibody or fragment described in clause ( a ), or ( iii ) the structure or structural information of any antibody orfragment described in clause ( a )