definiens: shall mean, on a Licensed Product - by - Licensed Product and country - by - country basis, the periodstarting on the First Commercial Sale of the Licensed Product and ending on the latest to occur of : ( a ) [ * * * ] ( [ * * * ] ) [ * * * ] fromFirst Commercial Sale of such Licensed Product in such country, provided however such period shall continue on a Co - Funded Indication - by- Co - Funded Indication basis until [ * * * ] ( [ * * * ] ) [ * * * ] after the First Commercial Sale of such LicensedProduct for such Co - Funded Indication in such country ; ( b ) the expiration of the last - to - expire Valid Claim of an AlectorPatent, Joint Patent, Collaboration Patent or [COMPANY] PTE Patent Covering the Licensed Product in such country ( as furtherdescribed in the next sentence, the ) ; and ( c ) [ * * * ] . [ * * * ] For such purposes, a means [ * * * ]