definiens: means an Antibody that : ( a ) ( i ) is selected by the Joint Research Committee for research, optimizatio n or preclinical cvalualion in the conduct of the Collaborat ion, ( ii ) is Controlled by a party . and ( iii ) binds to or otherwise modulates a Program Target ; ( b ) is tirst ielentified SF eJiseeyered l··J in the conduct of the Collaboration ; ( c ) binds 10 or otherwise modulates a Program Target and is first identified or discovered by Schering- Plough or its Affiliates after Schering - P lough 's selection for Development of a Collabora tion Product for such Program Target and prior to the earlier of ( i ) the time that such Program Target has become a Released Target or Reverted Target and ( ii ) the expiration or earlier temlination of this Agreement with respect to such Collaboration Product pursuant to Article 15 hereof ; or ( d ) is otherwise designated a Program Antibody by the Joint Management Committee