definiens: . Confi dential Information shall mean all information, including, without limitation, proprietary information and materials ( whether or not patentable ) regarding a P arty 's technology, products, business information or objectives, which is design ated as confidential 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 information is disclosed by the disclosing Party to the other Part y. Notwithstanding the foregoing, all information which is orally, electro nically or visually disclosed by a Party, or is disclosed in writing without an a ppropriate letter, stamp or legend, shall constitute Confidential Information o f a Party if the disclosing Party, within thirty ( 30 ) days after such disclosur e, delivers to the other Party a written document or documents describing th e information and referencing the place and date of such oral, visual, electronic or written disclosure and the names of the persons to whom such disclosure wa s made