definiens: shall mean any and all improvements, enhancements or discoveries relating to the Cell Line, the Master Cell Bank, tneWorking - Cell Bank, and/or the Manufacturing Process as to which [COMPANY] would be deemed an inventor pursuant to Section 15.1.1, which improvement, enhancement or discovery ( x ) arose from [COMPANY] 's performance of its obligations under any of the Transaction Agreements or through the Permitted Use of [COMPANY] Confidential Information ( as defined below ) and ( y ) includes : ( i ) an enhancement or an improvement to any cell line in addition·to or other than the Cell Line, the Master Cell Bank, or the Working Cell Bank, or ( ii ) a method or process which may be used to manufacture, generate or propagate any cell line in addition to or other than the Cell Line, the Master Cell Bank, or the Working Cell Bank, or ( iii ) a method for the manufacture of any product in addition to or other than the Product . For purposes of this Section 15.1, a means, and is limited to, [COMPANY] 's use of [COMPANY] Confidential Information that is expressly permitted under the terms of this Agreement, and excludes any use of [COMPANY] Confidential Information that is proscribed under the terms of this Agreement