premise: However, Recipient is under no obligation to maintain the confidentiality of Information which Recipient can show: (a) was public knowledge at the time of its disclosure to the Recipient, (b) became public knowledge during the term of this Agreement through no act or fault of the Recipient, (c) was in the possession of the Recipient prior to its disclosure, or (d) was lawfully acquired by the Recipient from a third party who was not under an obligation of confidentiality to the University.