definiens: shall mean, with respect to a particular Co - Funded Product, theDevelopment Costs incurred by the Parties or their Affiliates after completion of Phase I trials for such Co - Funded Product inthe Co - Funded Territory for such Co - Funded Product . For the avoidance of doubt, ( i ) post Phase I Development Costs shallnot include any Development Costs incurred by the Parties or their Affiliates for any subsequent Phase I trials, and(ii ) Development Costs relating to activities directed at obtaining Regulatory Approval in Japan for a Co - Funded Productshall not be considered post Phase I Development Costs to the extent such Development Costs are incurred ( A ) prior tocompletion of the Phase I trials for such Co - Funded Product in Japan, or ( B ) if no Phase I trials are necessary or performed forsuch Co - Funded Product in Japan, then prior to initiation of any clinical trial other than a Phase I trial