definiens: means any [COMPANY] Patents, Bax alta Know - How and Joint Patents that ( a ) come to be Controlled by [COMPANY] or any of its Affiliates at a ny time during the Term as a result of activities i n connection with this Agreement, ( b ) are in existence as of the date of termination of this Agreement ( in whole or in part ) by Precision pursuant to Section 14.2.1, Section 14.2 . 2 or Section 14.2.3, by [COMPANY] in accordance with Section 14.2.1 ( for any reason other than for the e vents described in Section 14.3.2(a ) ), or by Baxalt a pursuant to Section 14.2.5 and ( c ) are reasonably necessary or useful in connection with the Development, manufact ure, use or Commercialization of Reversion Products in the T erritory