definiens: means ( i ) any corporation or business entity of which fifty percent ( 50 % ) or more of the securities or otherownership interests representing the equity, the voting stock or general partnership interest are owned, controlled or held, directly or indirectly, by MERCK or AVEO ; or ( ii ) any corporation or business entity which, directly or indirectly, owns, controls or holds fifty percent ( 50 % ) ( or the maximum ownership interest permitted by law ) or more of the securities orother ownership interests representing the equity, the voting stock or, if applicable, the general partnership interest, ofMERCK or AVEO ; or ( iii ) any corporation or business entity of which fifty percent ( 50 % ) or more of the securities orother ownership interests representing the equity, the voting stock or general partnership interest are owned, controlledor held, directly or indirectly, by a corporation or business entity described in ( i ) or ( ii )