definiens: means all Patents that are Controlled as of the Effective Date or thereafter duringthe Term by CytomX and/or its Affiliate(s ) and that Cover any Compound and/or Product ( including in each case itscomposition, formulation, combination, product by process, or method of use, manufacture, preparation oradministration ) or that would be necessary or reasonably useful for the discovery, Development, manufacture, useand / or Commercialization of Compounds and/or Products in the Field in the Territory including CytomX ’s interest inJoint Patents ; provided that CytomX Patent Rights shall not include : ( a ) Product Specific Patents, ( b ) any Tools or(c ) any other Patents generated after the end of the applicable Research Term that are not necessary or reasonablyuseful for the Development, manufacture or Commercialization of the Compound or Products . Patents filed after theend of the Research Term shall be considered only if such Patents relate to a Compound alone oras incorporated in a Product ( but not including formulation technologies ) . For clarity, subject to and to the extent asprovided in Section 12.6, the use of in this definition shall exclude any Third Party that becomes an Affiliatedue to such Third Party ’s acquisition of CytomX in a Change of Control Transaction . As of the Execution Date, theCytomX Patent Rights consist of the Patents listed in Exhibit B