definiens: means all information about any element of the Rigel Technology or Program Technolo gy, except for Program Technology assigned to [COMPANY] pursuant to Section 5 .1, which is disclosed by Rigel to [COMPANY] and designated in wr iting by Rigel at the time of disclosure or within thirty ( 30 ) days following disclosure to [COMPANY] to the extent that such information as of the date of disclosure to [COMPANY] is not ( i ) demonstrably known to [COMPANY] other than by virtue of a prior confidential disclosure to [COMPANY] 3 < PAGE > by Rigel ; ( ii ) disclosed in published literature, o r otherwise generally known to the public through no fault or omission of [COMPANY] ; or ( iii ) obtained from a third party free from any obligation of conf identiality to Rigel prior to disclosure to [COMPANY] by Rigel