definiens: shall mean ( a ) those Patent Rights set forth on Exhibit 1.4(a ), the subjectof which is an invention : ( i ) conceived in the course of performing the Research Program during the Research Term andreduced to practice prior to the Effective Date solely by or under authority of personnel of Biogen Idec or any of itscontrolled Affiliates ; or ( ii ) conceived and reduced to practice solely by or under authority of personnel of Biogen Idecor any of its controlled Affiliates after the Original Agreement Effective Date but prior to the Effective Date, in the caseof either ( i ) or ( ii ) in the course of activities [ * ] to the Designated Targets or to the discovery, research, or developmentof Licensed Compounds or Licensed Products ; and ( b ) all Patent Rights that arise during the Term that claim or coverany Biogen Idec Collaboration Know - How . Notwithstanding the foregoing, Biogen Idec Collaboration Patents shall inall cases exclude Sunesis Core Technology, Joint Sunesis - Biogen Collaboration Patents and Sunesis CollaborationPatents