definiens: means all patents and patcnl appUcatiolls licensed to ZGEN pursuant to the UW Agreement and Aventis Agreemcnt, including wilhout Iiwltation ( a ) the patents and patenl applications identified in Exhillits C, D and E attached to this Agreement ; ( b ) to the extent licensed to WEN, all divisional or continuation . in whole or in part, applicarions based on auy ofllie foregoing ; ( c ) to the extent licensed to ZGIJN, any and aU foreign applications con'csponding to thc patent applications described in ( a ) and ( b ) above ; ( d ) to the extent licensed to ZaEN, any and all issued and unexpired patents resulting from any oftlle applicalions described in paragraph ( a ), ( b ) or ( c ) above ; and ( e ) to the extent licollsed to ZGllN, any and all issued and unexpired reissues, reexaminations, renewals or extensions that may be based on any oftbe patents descnbed in paragraph ( a ) or(d ) above