definiens: shall mean those United St ates patents and patent applications and the international patent applications owned or licensed by [COMPANY] which may be useful in the CDK Field an d which are identified in Appendix A and any division, cont inuation, continuation - in - part thereof, any foreign patent applications corresponding to any such applications or any United States or foreign patents or the equ ivalent thereof issuing thereon or any reissue or extension thereof . CDK Patent Rights shall also include thos e United States patents and patent applications and the inte rnational patent applications which may be useful i n the CDK Field for which [COMPANY] may acquire, from a Third P arty during the term of the CDK Research Program, l icense rights and the right to grant sublicenses ( includin g rights acquired pursuant to the [COMPANY] Pending L icense Agreements ), and any division, continuation, contin uation - in - part thereof, any foreign patent applicat ions corresponding to any such applications or any Unite d States or foreign patents or the equivalent there of issuing thereon or any reissue or extension thereof