definiens: means all Patent Rights Controlled by [COMPANY] and/or anyof its Affiliates as of the Effective Date and/or during the Term that ( a ) Cover any Compoundand / or Product ( but not with respect to any active ingredient other than a Compound ) ; ( b ) isnecessary for the Exploitation of any Compound and/or Product ( but not with respect to anyactive ingredient other than a Compound ) ; and/or ( c ) is reasonably useful for the Exploitation ofany Compound and/or Product ( but not with respect to any active ingredient other than aCompound ) other than [COMPANY] Platform Technology . The [COMPANY] Patents existing as of theEffective Date are listed on Exhibit A. Subject to and to the extent as provided in Section 13.4,the use of in this definition shall exclude any Third Party that becomes an Affiliate dueto such Third Party ’s or such Third Party ’s Affiliate acquisition of [COMPANY] in a Change of ControlTransaction