definiens: means ( a ) any CAR - T Product or TCR - T Product dire cted to the same Target as a Licensed Product, including CD19 ( the T arget of KTE - C19 ) ; and ( b ) to the extent not covere d by clause ( a ), any CAR - T Product or TCR - T Product dire cted to the same Target as any IND Product that is or was part of a Product Evaluation by DS pursuant to Sect ion 2.2.2 and for which DS did not exercise the Option ( including the IND Product that was the subject of such unexercised Option ), provided in the case of ( b ), such CAR - T Product or TCR - T Product shall no longer be d eemed a Competing Product [ … * * * … ] ( [ … * * * … ] ) years after [ … * * * … ] ( the ) ( however, subclause ( a ) above shall continue to apply ) ; but excluding any Licensed Product for use in the Field in the Territ ory in each case of ( a ) and ( b ) . Where DS has elect ed not to exercise the Option for [ … * * * … ] or more IND Products directed to the same Target, the applicabl e date from which the Tail Period is measured shall be the date that [ … * * * … ]