definiens: means, with respect to each country in the Territory on a country - by - cuuntry basis, the date commencing with the dClte of first commercial sale of a Product in such country, and terminating upon the latest of ( a ) the date that is ten ( [ 0 ) years after such first commercial sale in such country, ( b ) the date that the manufacture, use and sale of a Product in such country is nu longer covered by any ValiJ Claim of a Phannatop Patent in such country ( including any patent term extensions, such as pediatric cxclusivity extensions, as may be Iwailable under Applicable Law ) or ( c ) the date that the obligation ofBMS to pay royalties to Phannatop ( or any successor licensor ), pursuant to the Phannatop License Agreement terminates, means with resreet to any document or information, a document or int(mnation sct forth in a mutually agreed letter or memomndum delivered by CadelH : e or [COMPANY] to the other contemporaneously with the exeC1ltion of this Agreement which identifies such document or information as for purposes of this Agreement has the meaning given to such term in Section 6.1 ( c ) hereof