definiens: s hall mean all trade secrets or confidential or proprietary information of the d isclosing Party designated as such in writing by the disclosing Party, whether by letter or by the use of an appropriate stamp or legend, prior to or at the tim e any such trade secret or confidential or proprietary information is disclose d by the disclosing Party to the receiving Party . Notwithstanding the foregoing, information which is orally or visually disclosed to the receiving Party by the disclosing Party, or is disclosed in writing without an appropriate letter, stamp or legend, shall constitute Confidential Information if the disclosi ng Party, within 30 days after such disclosure, delivers to the receiving Pa rty a written document or documents describing or summarizing such informatio n and referencing the place and date of such oral, visual or written disclosure and the names of the employees or officers of the receiving Party to who m such disclosure was made