premise: The receiving party's obligations hereunder will not apply, or will cease to apply, to that Confidential Information which the receiving party can establish  (i) is or hereafter becomes generally known or available to the public or interested persons through no breach of this Agreement by the receiving party;  (ii) is rightfully known to the receiving party without restriction on disclosure at the time of its receipt from the disclosing party;  (iii) is rightfully furnished to the receiving party by a third party without breach of an obligation of confidentiality; 