definiens: shall mean, for each Collaboration Target, the period beginning thedate the MTD for the first Product for such Collaboration Target is designated by the JDC andending upon the earliest of ( i ) the date that such Collaboration Target becomes a LeftoverTarget, ( ii ) [ … * * * … ] after [COMPANY] ’s receipt of the Option Data Package for such CollaborationTarget, ( iii ) the date such Collaboration Target becomes a Terminated Target, ( iv ) the date uponwhich a Product ( including Backup Compounds ) for such Collaboration Target is no longer inGLP Tox Studies, in Phase I Studies, or progressing from GLP Tox Studies to Phase I Studies, or ( v ) [ … * * * … ] after achievement of Lead Series Identified Criteria has been confirmed by theJRC for such Collaboration Target if Initiation of the GLP Tox Study has not been achieved forsuch Collaboration Target prior to such date