definiens: shall mean that Licensor shall not grant a license to any Third Party, or permit any Third Par ty to operate, under the Licensed Patents, Licensed Know - How, Licensed Copyrights or Licensor Improvements t o Exploit the Licensed Products in the Licensed Transplantation Field, but retains a co - exclusive r ight, with Licensee ; provided that Licensor may sub license the Licensed Patents, Licensed Know - How, Licensed Copyr ights or Licensor Improvements to ( i ) Affiliates of Licensor to Exploit the Licensed Products in the Li censed Transplantation Field, ( ii ) Third Parties in the Licensed Transplantation Field to provide products or services to Licensor solely to the extent necess ary for such products or services to be provided to Licensor by such Third Parties ( e.g., Third Party consultants, manufacturers and distributors ) and ( iii ) end users of the Licensed Products in the Licensed Transplan tation Field . Notwithstanding the foregoing, with respect to Hologic Owned Intellectual Property included in the Licensed Intellectual Property pursuant to Section 6.4 of the Collaboration Agreement, the license und er this Section 2.1(b ) shall be subject to the payment term s agreed by the Parties