definiens: shall mean ( a ) all future obligations relating exclusively to the Product tha t are required to be performed and fulfilled after the Cl osing under the terms of the Assumed Agreements ; ( b ) except to the extent Buyer is specifically entitled to reimbursement pur suant to the terms of Section 2.10, obligations for the retu rn of Product commencing on the Closing Date ; ( c ) state a nd federal Medicaid / Medicare rebates, managed care and adminis trative fees in connection with Product sold in the Territo ry by Buyer commencing on the Closing Date ; ( d ) all customer ch argebacks and similar payments to customers in connection wit h Product sold in the Territory commencing on the Closing Dat e ; ( e ) all product liability or intellectual property infringe ment claims or lawsuits relating to the occurrences of injuries caused by Product sold by Buyer or caused by the Purchased As sets commencing on the Closing Date ; and ( f ) all other c osts and claims relating to the Product or the Purchased Ass ets arising on or after the Closing Date