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 UBC Field an d which are identified in Appendix D 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 . UBC 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 UBC Field for which [COMPANY] may acquire, from a Third P arty during the term of the UBC Research Program, l icense rights and the right to grant sublicenses, and any division, continuation, continuation - in - part thereo f, any foreign patent applications corresponding to any such appli cations or any United States or foreign patents or the equivalent thereof issuing thereon or any reissue o r extension thereof