definiens: . Sa ndoz Collaboration Know - How means ( a ) all Know - How constituting, based upon or derived from inventions or developments which are conceived and reduced to pra ctice or developed solely by the employees, contractors ( subject to Section 8.3 ), consultants or agents of [COMPANY] or its Affiliates during, and in the conduct of, the Collaborative Program, excluding Improvements to Momenta Know - How or Improvements to Momenta Collaboration Know - How, and ( b ) ( i ) Improvements to [COMPANY] Know - How or ( ii ) Improvements to [COMPANY] Collaboration Know - How, whic h, with respect to each of ( b)(i ) and ( b)(ii ), are made solely by the employee s, contractors, consultants or agents of Momenta or its Affiliates, or jointly by the employees, contractors, consultants or agents of [COMPANY] or its Affiliates, on the one hand, and by the employees, contractors, consultants or a gents of Momenta or its Affiliates, on the other hand, during, and in the c onduct of, the Collaborative Program