definiens: means technology described or claimed in a patent or patent application, owned or controlled by [COMPANY], as described or claimed in, the U.S. Provisional Patent A pplication entitled In vitro selection of Proteins using RNA Protein Fusions, filed January 21, 1997, or the equivalent of such application, including any division, continuation or any foreign patent application or Letters Patent or the equivalent thereof issuing thereon, or reissues, reexaminations or extensions thereof, and including those claims in any continuation -in - part of the aforementioned patent applications which claim an invention described or claimed in said pate nt application, or the Chip Technology described in the U.S. Patent Application entitled Selection of Proteins using RNA Protein Fusions, filed January 14, 1998, or the equivalent of such application, including any division, continuation or any foreign pate nt application or Letters Patent or the equivalent thereof issuing thereon, or reissues, reexaminations or extensions thereof, and including those claims in any continuation -in - part of the aforementioned patent applications which claim an invention describ ed or claimed in said patent application