definiens: means any and all Know - How that isControlled by Editas or any of its Affiliates ( other than through the grant of a licensefrom Juno or any of its Affiliates to Editas or any of its Affiliates ) as of the AmendmentDate or at any time thereafter until the end of the Term and that is ( a ) necessary oruseful to research, develop, make, have made, import, use, offer to sell, sell orotherwise exploit any Collaboration RNP Complex or is otherwise related to theexploitation of any Collaboration Target ; or ( b ) otherwise used by or on behalf ofEditas or any of its Affiliates in the performance of the Research Program or any otherobligations under this Agreement, but in all cases, expressly excluding anyCollaboration Know - How and Excluded Know - How ; provided, however, that, on aProgram - by - Program basis, with respect to any Know - How that is SubsequentlyObtained IP, such Know - How shall be included within the definition of EditasBackground Know - How only if the provisions of Section 7.6(b ) are met