definiens: means, on a region - by - region or country - by - countr y basis, the period that commences upon the First Commercial Sale of the Lic ensed Product in such region or country after recei pt of Regulatory Approval in such region or country and t erminates upon the last of : ( a ) the date on which t he sale of such Licensed Product is no longer covered by a Val i d Claim in such region or country ; ( b ) expiration of regulatory exclusivity in such region or country ; and ( c ) [ * * * ] ( [ * * * ] ) years from the First Commercial Sale of s uch Licensed Product in such region or country ( the ) ; provided, however, that notwithstanding the preceding sentence, the Royalty Term for the Licens ed Product in such region or country shall continue on an indication - by - indication basis for up to [ * * * ] ( [ * * * ] ) additional years in a region or country after t he occurrence of the events in subsection ( a ), ( b ) and ( c ) so lon g as there is no Competing ADC Product for sale in such region or country for such indication ( the )