definiens: shall mean ( a ) those Patent Rights set forth on Exhibit 1.4(a),the subject of which is an invention : ( i ) conceived in the course of performing the Research Program during the Research Termand reduced to practice prior to the Effective Date jointly by, or under authority of, both Sunesis and Biogen Idec;(ii ) conceived and reduced to practice jointly by, or under authority of, Sunesis and Biogen Idec after the Original AgreementEffective Date but prior to the Effective Date, in the case of either ( i ) or ( ii ) in the course of activities [ * ] to the DesignatedTargets or to the discovery, research, or development of Licensed Compounds or Licensed Products ; or ( iii ) conceived in thecourse of performing the Research Program during the Research Term and reduced to practice prior to the Effective Date usingJoint Sunesis - Biogen Collaboration Know - How, Sunesis Collaboration Know - How or Sunesis Core Technology by or underauthority of personnel of Biogen Idec or any of its controlled Affiliates ; and ( b ) all Patent Rights that arise during the Termthat claim or cover any Joint Sunesis - Biogen Collaboration Know - How . For clarity, the inventions described in subsection(a)(iii ) above are limited to those inventions [ * ] or comprising compositions of matter that modulate Designated Targets ormethods of use thereof in modulating Designated Targets . Notwithstanding the foregoing, Joint Sunesis - Biogen CollaborationPatents shall in all cases exclude Sunesis Core Technology, Biogen Idec Collaboration Patents and Sunesis CollaborationPatents