definiens: means, with respect to each Party, proprietary data or information that belongs in wholeor in part to such Party, its Affiliates or Sublicensees, and is disclosed to the other Party . Confidential Information of Celgeneincludes all [COMPANY] Technology, the reports delivered by [COMPANY] to [COMPANY] hereunder, all proprietary data andinformation of [COMPANY] disclosed by [COMPANY] at the Joint Development Committee or Joint Commercialization Committeemeetings, and any information designated as Confidential Information of [COMPANY] hereunder . Confidential Information ofAcceleron includes [COMPANY] Technology, the reports delivered by [COMPANY] to [COMPANY] hereunder, all proprietary data andinformation of [COMPANY] disclosed by [COMPANY] at the Joint Development Committee or Joint Commercialization Committeemeetings, and any information designated as Confidential Information of [COMPANY] hereunder . For clarity, information that isnot otherwise Confidential Information of a Party hereunder shall not become Confidential Information by inclusion in areport delivered by such Party to the other Party . Confidential Information of both Parties includes Joint Technology and theterms and conditions of this Agreement . Confidential Information shall not include ( as determined by competentdocumentation ) information that : ( a ) was known by the receiving Party or its Affiliates prior to its date of disclosure to the receivingParty ; or ( b ) either before or after the date of the disclosure to the receiving Party is lawfully disclosed to thereceiving Party or its Affiliates by sources ( other than the disclosing Party ) rightfully in possession of theConfidential Information ; or ( c ) either before or after the date of the disclosure to the receiving Party or its Affiliates becomespublished or generally known to the public ( including information known to the public through the sale of productsin the ordinary course of business ) through no fault or omission on the part of the receiving Party, its Affiliates or itsSublicensees ; or 8 THIS EXHIBIT HAS BEEN REDACTED AND IS THE SUBJECT OF A CONFIDENTIAL TREATMENTREQUEST