definiens: means, for any period of determination during the RevenueInterest Period, the amount equal to the sum of the following for such period : ( a ) theamounts invoiced and recognized as revenue in accordance with GAAP by theCompany, its Affiliates or a US / EU End Licensee with respect to the sale by theCompany, its Affiliates or such US / EU End Licensee, respectively, of Product to aThird Party ( including distributors ) other than a US / EU End Licensee, ( b ) to the extentnot covered by ( a ) above, any amounts invoiced and recognized as revenue inaccordance with GAAP by the Company or its Affiliates from a Third Party ( other thana US / EU End Licensee or a licensee or sublicensee through which such US / EU EndLicensee derives its license rights ) solely with respect to the manufacture, use, sale, distribution or other commercialization of the Product by such Third Party ( includingany royalties received by the Company, but excluding ( i ) [ * * * ], ( ii ) [ * * * ], or ( iii ) [ * * * ], and(c ) any collections in respect of write - offs or allowances for bad debts in respect ofitems described in the preceding clauses ( a ) and ( b ) ; provided, however, that withrespect to the use of this definition in the definition of and Section5.02(f ) only, shall include revenue with respect to the sale ofboth the Product and, when and as relevant, the Back - up Product