definiens: shall mean all information disclosed hereunder inwriting and identified as being confidential or, if disclosed orally, visually or through some othermedia, is identified as confidential at the time of disclosure and is summarized in writing withinthirty ( 30 ) days of such disclosure and identified as being confidential, except any portionthereof which:(a ) is known to the recipient at the time of the disclosure, as evidenced by its writtenrecords or other competent evidence;(b ) is disclosed to the recipient by a third person lawfully in possession of suchinformation and not under an obligation of nondisclosure;(c ) is or becomes patented ., published or otherwise part of the public domainthrough no fault of the recipient ; or(d ) is developed by or for the recipient independently of Confidential Informationdisclosed hereunder as evidenced by the recipient 's written records or othercompetent evidence