definiens: means : ( a ) any claim of an issued unexpired patent that ( i ) ha s not been finally cancelled, withdrawn, abandoned or rejected by any administrat i ve agency or other body of competent jurisdiction ; ( ii ) has not been permanently revoked, or held inva lid by a decision of a court or other body of competent jurisdiction that is unappealable or unappealed wit hin the time allowed for appeal ; ( iii ) has not been rendered unenforceable through terminal disclaimer or otherwise ; and ( iv ) is not lost through an interference proceed ing that is unappealable or unappealed within the t ime allowed for appeal, or ( b ) a claim of a pending patent application where such cl aim has been pending for a period of seven years or less . If a claim of a pending patent application th at ceased to be a Valid Claim under this sub- section ( b ) of this section later issues or grants as a patent within the scope of sub- section ( a ), then such claim is considered to be a Valid Claim from the date of suc h issue or grant