definiens: means ( i ), with respect to any agreement that relates to intellectualproperty rights that solely Cover a GDNF Product, any payments made by AMT and/or its Affiliates ( whether up - frontpayments, milestones, royalties or research funding ( provided that with respect to research funding payments, only theamounts in excess of AMT ’s external costs and internal costs directly related to such research activities shall be included)during the term of this Agreement to any Third Party for intellectual property rights that are necessary in the Exploitation ofGDNF Products ( but solely with respect to intellectual property rights that would be infringed by the Exploitation of GDNFProducts absent a license therefore ) including but not limited to payments to the National Institutes of Health and/or the Foodand Drug Administration, and ( ii ), with respect to any agreement that relates to intellectual property rights that Cover morethan solely a GDNF Product, any royalty payments made by AMT and/or its Affiliates during the Payment Term to any ThirdParty for intellectual property rights that are necessary in the Exploitation of GDNF Products