definiens: means : ( i ) with respect to a given Collaboration Target, any Third Party Compound that is Directed to such Collaboration Target and arose or arises out of any Acquired Third Party Development Program that is in - licensed or otherwise acquired by [COMPANY] or any of its Affiliates during the Economics Bearing Term for such Collaboration Target ; or ( ii ) with respect to a given Reverted Non - Option ed Target, any Third Party Compound that ( A ) is Directed to such Reverted Non- Optioned Target and ( B ) arose or arises out of any Acquired Third Party Development Program that is in -licensed or otherwise acquired by [COMPANY] or any of it s Affiliates prior to the date that is [ * * * ] after th e date on which [COMPANY] ’s Option expired or terminated unexercised with respect to ( x ) such Reverted Non - Optioned Targ et ( i.e., the end of the applicable Option Term ) or ( y ) wit h respect to a Reverted Non - Optioned Target that is a Druggable / LDD Target, the Primary Campaign under w hich Repare has identified a Synthetic Lethal relationsh ip between such Reverted Non - Optioned Target and th e Campaign Lesion(s ) that are the subject of such Pri mary Campaign ( as applicable ) ; in each case ( ( i ) and ( ii ) ), where the Third Party from whom [COMPANY] or its applicable Affiliate in - licens ed or otherwise acquired such Third Party Compound did no t Independently Validate, prior to the date on whic h [COMPANY] or such Affiliate in - licensed or otherwise acquired such rights, that such Collaboration Target or Rev erted Non - Optioned Target, as applicable, has a Synthetic Let hal relationship with all Campaign Lesion(s ) that R epare Validated as having a Synthetic Lethal relationship with such Collaboration Target or Reverted Non - Opt ioned Target, as applicable, under this Agreement