definiens: means MSK ’s and MIT ’s righ ts, as applicable, in : ( a ) The United States and foreign patents and patent applications listed in Exhibit A-1 ; ( b ) any other patent or patent application that claims priority to, or common priority with, or is a divisional, continuation, reissue, renewal, reexami nation, substitution or extension of any patent or patent application identified on Exhibit A-1 ; ( c ) any patents subsequently issuing on an y patent application identified in ( a ) or ( b ) above, including any reissues, renewals, reexaminations, s ubstitutions or extensions thereof ; ( d ) any claim of a continuation - in - part ap plication or patent ( including any reissues, renewa ls, reexaminations, substitutions or extensions thereof ) that is entitled to the priority date of at least one of the patents or patent applications identified in ( a ), ( b ) or ( c ) above ; ( e ) any foreign counterpart ( including PCT s ) of any patent or patent application identified i n ( a ), ( b ), ( c ) or ( d ) above ; and ( f ) to the extent legally possible and av ailable for MSK and/or MIT to provide, any supplementary protection certificates, pediatric ex clusivity periods, any other patent term extensions and exclusivity periods and the like of any patents and patent applications identified in ( a ) through ( e ) above