definiens: for a Collaboration Product shall mean [ * ] of [ * ] from Net Sales of such Collaboration Product in Canada and USA ; provided, however, that ( on a country - by - country and product - by - product basis ) Ci ba shall be entitled to retain an additional [ * ] ( the ) ( i.e., so that the [COMPANY] Profit share is only [ * ] until such time as the cumulat i ve Ciba Differential retained by Ciba in the U.S. and Canad a, respectively, equals or exceeds the sum of ( i ) t he Recoupable Development Costs for such Collaboration Product and ( ii ) the [ * ] for such Collaboration Product from such Net Sales in such country . It is understood an d agreed that once any Recoupable Development Costs have been rec overed by Ciba through the mechanism outlined in th is Section 9.1.1 or otherwise reimbursed to Ciba, such recovered or reimbursed amounts shall cease to be Recoupable Development Costs for all purposes of th is Agreement