definiens: , shall mean ( i ) any corp oration or business entity of which fifty percent ( 50 % ) or more of the secu rities or other ownership interests representing the equity, the voting stock or general partnership interest are owned, controlled or held, direc tly or indirectly, by MERCK or NASTECH ; or ( ii ) any corporation or busine ss entity which, directly or indirectly, owns, controls or holds fifty per cent ( 50 % ) ( or the maximum ownership interest permitted by law ) or more of the securities or other ownership interests representing the equity, the voting stock or, if applicable, the general partnership interest, of MERCK or NASTECH ; or ( iii ) any corporation or business entity 2 < PAGE > [ * CONFIDENTIAL TREATMENT HAS BEEN REQUESTED AS TO C ERTAIN PORTIONS OF THIS DOCUMENT . EACH SUCH PORTION, WHICH HAS BEEN OM ITTED HEREIN AND REPLACED WITH AN ASTERISK [ * * * ], HAS BEEN FILED SEPARATELY W ITH THE SECURITIES AND EXCHANGE COMMISSION . ] of which fifty percent ( 50 % ) or more of the s ecurities or other ownership interests representing the equity, the voting stock or general partnership interest are owned, controlled or held, direc tly or indirectly, by a corporation or business entity described in ( i ) or ( ii )