definiens: shall mean any mouse with respect to which [COMPANY] and/or [COMPANY] possess the right, whether directly or indirectly, and whether by ownership, license, contract or otherwise, to assig n or grant a license, sublicense or other right in and to such mouse, and which mouse contains both ( a ) human immunoglobulin transgene nucleic acids ; a nd ( b ) human immunoglobulin transchromosome nucleic acids, including, without l imitation, any mouse containing the nucleic acids described in clause ( a ) and clause ( b ) of this Section that is derived by ( i ) crossbreeding the Hu MAb Mouse(R ) with a TC MouseTM, with an HAC MouseTM, and/or with any cross breed of a TC MouseTM and an HAC MouseTM, ( ii ) introducing nucleic acids obtaine d, isolated, identified, or derived from one or more HuMAb Mouse(R ) into one or more cells obtained from a TC MouseTM, from an HAC MouseTM, and/or from any cr ossbreed of a TC MouseTM and an HAC MouseTM, ( iii ) introducing nucleic acids [ * ]= Certain confidential information contained in t his document, marked by brackets, has been omitted and filed separately wit h the Securities and Exchange Commission pursuant to Rule 24b-2 of the Securities Exchange Act of 1934, as amended