definiens: shall mean, on a country - by - country basis, the period of time from the Date of Launch ( or, if earlier, from the first sale of a Licensed Product or Improvement on a name patient basis ) of a Licensed Product or an Improvement in a given country in 38 the Novacea Territory until the date which is the later of : ( i ) the expiration of the last to expire of any Valid Claim in such country ( as extended by any extensions of any nature to any Pierre Fabre Patent covering the Licensed Product or any Improvement that have been obtained under applicable Legal Requirements in the respective countries of the Novacea Territory, such as the Drug Price Competition and Patent Term Restoration Act of 1984 in the USA and similar patent or exclusivity extension laws in the USA and other countries ) or ( ii ) the end of the tenth ( 10th ) Commercial Year following the Date of Launch of such Licensed Product or Improvement in such country