definiens: means, on a country - by - country and Licensed Product - by - Licensed Product basis, the period commencing upon First Commercial Sale of the pertinent Licensed Product in agiven country and ending on the later of : ( a ) 11:59 p.m. on the date of the expiration of the last - to - expire of theLicensed Patents in the pertinent country of the Licensed Territory after accounting for any renewals, extension orpatent - term restoration that may be based on any of the Licensed Patents on the pertinent Licensed Product ; ( b)11:59 p.m. on the latest date of expiration of data or market exclusivity conferred on the pertinent Licensed Product inthe pertinent country of the Licensed Territory expires ( whether based on orphan designation or other regulatoryexclusivity ), and ( c ) the date that is twelve years from the date of First Commercial Sale of the first Licensed Productin that country