definiens: means : ( a ) any claim of an issued unexpired paten t that ( i ) has not been finally cancelled, withdrawn, abandoned or rejected by any administrat i ve agency or other body of competent jurisdiction ; ( ii ) hasnot been permanently revoked, or held invalid by a decision of a court or other body of competent juri sdictionthat is unappealable or unappealed within the time allowed for appeal ; ( iii ) has not been rendered une nforceablethrough terminal disclaimer or otherwise and ( iv ) i s not lost through an interference proceeding that isunappealable or unappealed within the time allowed for appeal or ( b ) a claim of a pending patent appli cationwhere such claim has been pending for a period of [ * * * * * ] years or less . If a claim of a published pat entapplication that ceased to be a Valid Claim under t his subsection ( b ) of this section later issues or grants as apatent within the scope of subsection ( a ), then suc h claim is considered to be a Valid Claim from the date ofsuch issue or grant