definiens: means, with respect to a particular Collaboration P roduct, one or more Third Party product(s ) ( i ) having the same active pharmaceutical ingredien t as such Collaboration Product and for which in th e U.S. an ANDA has been filed naming such Collaboration Produ ct as the reference listed drug or outside of the U .S., an equivalent process where bioequivalence to such Col laboration Product has been asserted, and ( ii ) such Third Party product(s ) when taken in the aggregate have a marke t share ( measured in number of prescriptions with t he numerator of such fractional share being such Third Party product(s ) taken in the aggregate, and the d enominator being the total of such Third Party product(s ) take n in the aggregate plus such Collaboration Product taken in the aggregate, as provided by IMS ) during the applicabl e Calendar Quarter in such country of at least [ * * * ] %