definiens: means any and all Know -How that is developed or invented after the Effective Date ( a ) solely by or on behalf of Licensor ( including any of Licensor ’s Approved Subcontractors, and under the Gamma Support Services Agreement or otherwise ) in performing activities under each Fcab Discovery Plan or ( b ) by or on behalf of Denali or its Affiliates or Licensor ( including any of Licensor ’s Approved Subcontractors, and under the Gamma Support Services Agreement or otherwise ) or its Affiliates or jointly by Denali or its Affiliates and Licensor or its Affiliates in each case in connection with activities u nder each Fcab Discovery Plan and/or a mAb2 Development Plan and/or Technical Development, and to the extent it relates to an Fcab ( other than a Denali Fcab or Joint Fcab ), other than as part of a mAb2 . Licensor Program Know -How specifically excludes Licensor Background Know -How, Platform Know -How, Denali Program Know -How and Joint Program Know -How