Selected Antibodies Sample Clauses

Selected Antibodies. (a) Mersana shall select one (1) primary Antibody and [***] back-up Antibodies (“Back-up Antibodies”) to be the Validation Program Antibodies for each Validation Program Target (or such other number of Back-up Antibodies as the Parties may mutually agree), for incorporation into Validation Program ADCs pursuant to the Validation Plan, and shall provide Adimab with written notice of such Selected Antibodies within [***] weeks after Adimab provides the Validation Program Antibodies to Mersana pursuant to Section 2.2. Following such selection, all rights to Validation Program Antibodies not selected by Mersana shall revert to Adimab and such non-selected Validation Program Antibodies shall be excluded from the Validation Program and the licenses granted to Mersana under this Agreement. (b) Mersana shall promptly return to Adimab all quantities of Validation Program Antibodies that are not selected by Mersana as Selected Antibodies pursuant to Section 2.3(a), including [***] that may also pertain to such Validation Program Antibodies, which data and results Mersana shall only use (i) in the Co-Marketing Program as permitted under Section 3.4, (ii) in order to evaluate whether it desires to become the Commercial Rights Party for the applicable Validation Program ADC pursuant to Section 4.2(c), or (iii) if applicable, in connection with the exercise of its rights as the Commercial Rights Party for the applicable Validation Program ADC), and any other physical embodiments of Know-How pertaining to such Validation Program Antibodies, so that Mersana retains no information, material or other physical embodiments of Know-How pertaining to such Validation Program Antibodies in the possession of itself, its Affiliates or any Third Party having had access thereto.