ULTIMAB HUMAN ANTIBODY DEVELOPMENT SYSTEM TECHNOLOGY definition

ULTIMAB HUMAN ANTIBODY DEVELOPMENT SYSTEM TECHNOLOGY means Medarex's proprietary technology for the generation of fully human monoclonal antibodies using (i) any of Medarex's proprietary immunizable transgenic mice that contain [*] heavy and light [*] inserted into [*] and which are commonly known as a HuMAb-Mouse(R); (ii) any mice comprising both (A) human [*] developed by Medarex or otherwise developed through use of Medarex's proprietary HuMAb Mouse; and (B) human [*] developed by Kirin Brewery Company, Ltd. ("Kirin") or otherwise developed through use of Kirin's proprietary TC Mouse(TM) -------- * Confidential Treatment Requested