definiens: means the patent applications and patents listed in Appendix A attached hereto, and patents issuing from such patent applications, and any and all patents and patent applications covering DSP Improvements, in each case including any continuations, continuations - in - part, provisionals, divisionals, reissues, reexaminations, extensions, substitutions, restorations, additions, revalidations, registrations, confirmations, renewals and counterparts thereof in all countries of the Territory which are necessary or useful for 4 r I CERTAIN CONfIDENTI .... L INfORM .... TlO~ CONTAINED IN THIS J)OCl . IME ~ T, MARKED II\, IIRACKETS, IS FlI .. EIl WITH THE SEClJRITIES ANO EXCHANGE COMMISSION Pl : RSlJ ~ NT TO RllL.E 406 OF TilE SECURITIES EXCIIANGt : ACT OF 1933, } \S AMENIlEIl