While this Agreement is in effect and for a period of five years thereafter, and except as otherwise required by law or legal process and after reasonable notice to Employer and opportunity for Employer to intervene, Employee shall hold and keep secret and confidential all "trade secrets" (within the meaning of applicable law) and other confidential or proprietary information of Employer and shall use such information only in the course of performing Employee's duties hereunder; provided, however, that with respect to trade secrets, Employee shall hold and keep secret and confidential such trade secrets for so long as they remain trade secrets under applicable law.  Employee shall maintain in trust all such trade secrets or other confidential or proprietary information, as Employer's property, including, but not limited to, all documents concerning Employer's business, including Employee's work papers, telephone directories, customer information and notes, and any and all copies thereof in Employee's possession or under Employee's control. Upon the expiration or earlier termination of Employee's employment with Employer, or upon request by Employer, Employee shall deliver to Employer all such documents belonging to Employer, including any and all copies in Employee's possession or under Employee's control.