definiens: shall mean all materials, know - how, trade secrets or other information, including, without limitation, proprie tary information and materials ( whether or not patentable ) regarding a Party ’s technology, product s or business, which is designated as confidential in writing by the disclosing Party, whether by letter or by the use of an appropriate stamp or legend, pr ior to or at the time any such information is disclosed by the disclosing Party to the other Party . Notwithst anding the foregoing, information that is orally, electron ically or visually disclosed by a Party, shall cons titute Confidential Information of the disclosing Party if the disclosing Party, within thirty ( 30 ) days afte r such disclosure, delivers to the other Party a written c ommunication describing the information and referen cing the place and date of such oral, visual, electronic or written disclosure and the names of the persons to whom such disclosure was made