definiens: means, subject to earlier term ination in accordance with ARTICLE 15, the Research Term plus, on a Category 1 Target - by - Categ ory 1 Target basis, the period beginning at the end of the Research Term and ending on the date on which Compa ny ’s obligations to pay royalties, milestone paymen ts and Non - Royalty Income under this Agreement have ex pired with respect to such Category 1 Target and al l Category 1 Compounds and Category 1 Products that I nteract with such Category 1 Target . In the event t hat DESRES notifies Company, pursuant to Section 4.1(b ) ( ii ), that DESRES is electing to forgo any and all future payments with respect to a given Category 1 Target, the Agreement Term shall expire with respect to su ch Category 1 Target upon the applicable Category 1 Ta rget Payment Expiration Date . In the event that DES RES notifies Company, pursuant to Section 4.1(b)(ii ), t hat DESRES is electing to forgo any and all future payments on all Category 1 Targets on which payments to DESR ES either are or may in the future become due, the Agreement Term shall expire in its entirety upon th e last applicable Category 1 Target Payment Expirat ion Date