definiens: means : ( a ) the patents and patent applications listed in Exhibit A ; ( b ) any patent or patent application that claims priority to and is divisional, continuation, reissue, renewal, reexamination, substitution or extension of any patent application identified in ( a ) ; ( c ) any patents issuing on any patent application identified in ( a ) or ( b ), including any reissues, renewals, reexaminations, substitution s or extensions thereof ; ( d ) any claim of a continuation -in - part application or patent ( including any reissues, renewals, reexaminations, substitutions or extensions thereof ) that is entitled to the priority date of, and is directed specifically to subject matter specifically described in, at least one of the patents or patent applications identified in ( a ), ( b ) or ( c ) ; ( e ) any foreign counterpart ( including PCTs ) of any patent or patent application identified in ( a ), ( b ) or ( c ) or of the claims identified in ( d ) ; and ( f ) any supplementary protection certificates, any other patent term extensions and exclusivity periods and the like of any patents and patent applications identified in ( a ) through ( e ) ; 1.3 . means each of the periods of thr ee ( 3 ) consecutive calendar months ending on March 31, June 30, September 30 and December 31, for so long as this Agreement is in effect