definiens: shall have the meaning set out in Clause 6.1 ; means the compounds comprised within each Nucleoside Family which the University has been requested to conduct work on by Nucana as part of the Project ; means a Party to this Agreement that discloses Confidential Information to one or both of the othe r Parties ; means 21 August 2009 ; means testing such as [ * * * ] ; means the payments detailed in Clause 5.2 and Clause 8.6 above ; means the period referred to in Clause 8.5 above ; means any Intellectual Property arising from the Project ; means the period referred to in Clause 8.6 above ; means specifications, drawings, circuit diagrams, tapes, discs and other computer - readable media, documents, information, techniques and know -how ; means the period of [ * * * ] commencing on the Effective Date ; means all and any rights in or to [ * * * ] ; and all similar or equivalent rights arising or subsisting in any part of the world ; Portions of this Exhibit, indicated by the mark were omitted and have been filed separately w ith the Securities and Exchange Commission pursuant to the Registrant ’s application requesting confidentia l treatment pursuant to Rule 406 of the Securities Ac t of 1933, as amended