definiens: shall mean ( a ) those Patent Rights set forth on Exhibit 1.4(a ), the subject ofwhich is an invention : ( i ) conceived in the course of performing the Research Program during the Research Term and reducedto practice prior to the Effective Date solely by or under authority of personnel of Sunesis or any of its controlled Affiliates or(ii ) conceived and reduced to practice solely by or under authority of personnel of -10- [ * ] = Certain confidential information contained in this document, marked by brackets, is filed with the Securities andExchange Commission pursuant to Rule 24b-2 of the Securities Exchange Act of 1934, as amended . Sunesis or any of its controlled Affiliates after the Original Agreement Effective Date but prior to the Effective Date, in thecase of 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 cover anySunesis Collaboration Know - How . Notwithstanding the foregoing, Sunesis Collaboration Patents shall in all cases excludeSunesis Core Technology and Joint Sunesis - Biogen Collaboration Patents