premise: All Confidential Information disclosed pursuant to this Agreement is and shall remain the property of Disclosing Party.  Receiving Party shall not alter or remove any confidentiality or proprietary marking on the Confidential Information and, subject to the forego-ing, may make such limited number of copies of Disclosing Party's Confidential Information to the extent necessary to achieve the Purpose.  Within 15 days of written request from Disclosing Party, Receiving Party shall promptly return Disclosing Party’s Confidential Information and all copies thereof to Disclosing Party or destroy Disclosing Party’s Confidential Information, in-cluding all copies thereof, purge its computer systems of such Confidential Information and cer-tify such destruction in writing signed by a duly authorized representative.  Notwithstanding the foregoing, Receiving Party may retain one copy in a confidential file for archival purposes. 5. No License or Other Rights.  No license or other rights under any patent, copy-right, trademark or trade secret are granted or implied by this Agreement. 