definiens: shall mean any valid claim(s ) that has issued and is unexpired, and which has not been held unenforceable, unpatentable, or inval i d by an administrative body or court of competent jurisdiction, in a decision that is unapp ealable or unappealed within the time allowed for appeal, and which has not been admitted to be inval i d or unenforceable through reissue or re - examination proceedings or disclaimer . Claims regar ding the Japanese Patents listed in Exhibit 3 attached hereto, unless otherwise held or admitted to be unenforceable, unpatentable, or invalid, shall be considered Valid Claims until the Patents expire 20 years from the Filing Date of each respective Patent as listed in Exhibit 3 . Claims re garding any new patents that are issued in Japan after the date of this Agreement and are owned or h eld by Purpose, insofar as such patents are licensed to [COMPANY] pursuant to Section 3(a ), a nd are otherwise not held or admitted to * * * * CERTAIN INFORMATION IN THIS DOCUMENT HAS BEEN O MITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION . CONFID ENTIAL TREATMENT HAS BEEN REQUESTED WITH RESPECT TO THE OMITTED PORTIONS