definiens: means : ( a ) any patents and patent applications listed in S chedule A to this Agreement to the extent that they claim Drug Conjugation Materials or Drug Conjugation Technology, which shall be amended from time to time to reflect any other patents and paten t applications ; ( b ) any patents and patent applications covering Pr ogram Inventions that are assigned to SGI pursuant to Section 14.1.2(b ) and SGI ’s interes t in any Joint Patents pursuant to Section 14.1.2(c ) ; ( c ) any future patents issued from any patent appli cations referred to above and any future patents issued from any continuation, continuation- in part ( to the extent Controlled by SGI ), or divis ional of any of the foregoing patent applications or any patent applications from which the foregoing patents issue d, in each case to the extent Controlled by SGI ; and ( d ) any reissues, reexaminations, confirmations, re newals, registrations, substitutions, extensions, or counterparts of any of the foregoing, in each case to the extent Controlled by SGI