definiens: shall mean all patents, patent applications and invention disclosures the subject ofwhich is an invention that is : ( i ) conceived in the course of performing activities directed to the Collaboration Target pursuantto the OCA under the OCA Research Program during the OCA Research Term and is reduced to practice prior to the ARCAEffective Date jointly by, or under authority of, both Parties ; ( ii ) conceived and reduced to practice jointly by, or underauthority of, both Parties after August 25, 2004, but prior to June 30, 2011 in the course of activities directed to the discovery, research, or development of Collaboration Derivatives ; ( iii ) conceived in the course of performing the OCA pursuant to theOCA Research Program during the OCA Research Term and reduced to practice prior to the ARCA Effective Date using JointCollaboration Know - How, Sunesis Collaboration Know - How -7- { * } = 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 . EXECUTION VERSION or Sunesis Core Technology by or under authority of personnel of [COMPANY] Idec or any of its Controlled Affiliates ; or(iv ) conceived and reduced to practice using Joint Collaboration Know - How, Sunesis Collaboration Know - How or SunesisCore Technology by or under authority of personnel of [COMPANY] Idec or any of its Controlled Affiliates after August 25, 2004,but prior to June 30, 2011 in the course of activities directed to the discovery, research, or development of CollaborationDerivatives . It is to be understood that Joint Collaboration Patents shall include any divisionals, continuations, continuations - in - part, reissues, reexaminations, extensions or other governmental actions which extend any of the patent applications orpatents in ( i ), ( ii ), ( iii ) or ( iv ) above, and any substitutions, confirmations, registrations, revalidations or foreign counterparts ofany of the foregoing . For clarity, the inventions described in subsections ( iii ) and ( iv ) above are limited to those inventionsdirected at or comprising compositions of matter that modulate Targets and/or methods of use thereof in modulating Targets