definiens: means any product for human and/or animaltherapeutic or prophylactic use, now or hereafter developed by [COMPANY], which isproduced ( or susceptible of being produced ) from, or incorporates any antibodies(including Fragments thereof as hereinafter defined ) secreted from the J5D4 CellLine and/or PCB5 Cell Line ( as hereinafter defined ) or any other cell linescapable of producing any such antibodies, or which product is chemically, organically, biologically or synthetically derived from or based upon any suchantibodies, in each case ( i ) either alone or in combination with any othertherapeutic agent and ( ii ) together with all pharmaceutical compositions anddosage units thereof . For purposes of this Section 1(d ), the term shall mean any part or parts of any said antibodies chemically, biologically ororganically obtained from said antibodies, or < PAGE > 4 synthetically produced, and which mimics the biological behavior of saidantibodies . For purposes of this Section 1(d ), the term shallmean the cell line described as a murine hybridoma as identified by AmericanType Culture Collection No . HB 9083 and mutants and genetically manipulatedvariants thereof ; and the term shall mean the cell linedescribed as a murine hybridoma as identified by American Type CultureCollection No . HB 8909 and mutants and genetically manipulated variants thereof