definiens: shall mean : ( a ) U.S. patent applications and patents listed in Appe ndix A as such, all divisions and continuations of these applications, all patents is suing from such applications, divisions, and continuations, and any reissues, ree xaminations, and extensions of all such patents ; ( b ) to the extent that the following contain one or mor e claims directed to the invention or inventions disclosed in a ) above : i ) continuations- in - part of a ) above ; ii ) all divisions and continuations of these continuations - in - part ; i ii ) all patents issuing from such continuations - in - part, divisions, and continuations ; and iv ) any reissues, reexaminations, and extensions of all such patents ; ( c ) to the extent that the following contain one or mor e claims directed to the invention or inventions disclosed in a ) above : all counterpart f oreign applications and patents to a ) and b ) above, including those listed in Appendix A