definiens: means to the extent permitted under and consistentwith the requirements of applicable Law, all books and records relatingprimarily or exclusively to any Product, including copies of all materialcustomer and supplier lists, account lists, call data, sales history, callnotes, marketing studies, consultant reports, physician databases, andcorrespondence ( excluding invoices ) with respect to any Product or the ProductLine Business to the extent maintained by Seller, Seller Sub or any of theirrespective Affiliates, and all complaint files and adverse event files withrespect to any Product ; PROVIDED, HOWEVER, that ( a ) in each case, Seller andSeller Sub may redact any Excluded Intellectual Property contained therein ; ( b)Seller and Seller Sub may retain : ( i ) a copy of any such books and records tothe extent necessary for Tax, regulatory, accounting or litigation ; ( ii ) a copyof any such books and records to the extent such books and records relateprimarily but not exclusively to any Product or the Product Line Business, PROVIDED redactions are made to exclude all information relating exclusively toany Product or the Product Line Business ; ( iii ) all books, documents, recordsand files prepared in connection with or relating to the Transactions, includingbids received from other parties and strategic, financial or Tax analysesrelating to the divestiture of the Purchased Assets, the Assumed Liabilities, the Products and the Product Line Business ; and ( iv ) any attorney work product, attorney - client communications and other items protected by legal privilegeshall be excluded ; and ( c ) Seller and Seller Sub shall be entitled to redactfrom any such books and records any information that does not relate to anyProduct or the Product Line Business