definiens: shall mean, ( a ) with respect to Regulus, the licensing costs andpayments that Regulus owes to Third Parties, but excluding any costs and payments of any kind owed by Regulus to [ ... * * * ... ], or ( b ) with respect to [COMPANY], the licensing costs and payments that [COMPANY] owes to Third Parties, in each case as aresult of the practice of intellectual property licensed from such Third Parties in the Development, Manufacture and / orCommercialization of Collaboration Compounds and/or Licensed Products hereunder, including, without limitation, [ ... * * * ... ] payments . For clarity, any such costs and payments owed to Third Parties by a Party ( x ) shall only include theshare of such costs and payments which is [ ... * * * ... ], and not by any of its Affiliates or by [ ... * * * ... ], as applicable(although, for clarity, if such costs and payments are paid by [ ... * * * ... ], as applicable, solely in order for such [ ... * * * ... ] tothe relevant Third Party in those situations in which ( i ) [COMPANY] is a sublicensee of such Third Party, through its Affiliate, then such costs and payments shall be [ ... * * * ... ], or ( ii ) Regulus is a sublicensee of such Third Party through its Affiliateor Parent Company, then such costs and payments shall be [ ... * * * ... ], in each case subject to the following clause ( y ) ), and(y ) shall only include any such costs and payments to the [ ... * * * ... ]