premise: The obligations of confidentiality in this Agreement do not extend to any item of Confidential Information which  (i) is publicly known at the time of its disclosure,  (ii) is lawfully received by a Recipient from a third party not known to the Recipient to be under a similar confidential agreement to this Agreement or under obligation of confidentiality to the Discloser,  (iii) is published or otherwise made known to the public by the Discloser of Confidential Information,  (iv) was generated independently by the receiving Recipient without reliance on Confidential Information (as proven by supporting documentation evidencing such independent generation) or 