definiens: shall mean all In formation and Inventions in the Control of [COMPANY] during the period of time co mmencing on December 27, 1999, and ending on the last day of the Term, and w hich Information and Inventions are necessary for the use of the [COMPANY] Mice, any Antibody derived from [COMPANY] Mice, any Antibody Product containing such Antibody, and/or the performance of activities covered by the [COMPANY] Pa tent Rights and that are not generally known, but only to the extent conceived, reduced to practice, or otherwise developed by one or more employees or age nts of [COMPANY], including, without limitation, ( a ) biological, chemical, pharm acological, toxicological, pharmaceutical, physical and analytical, clinical, safety, and quality control data and information necessary to reproduce, raise, or use the [COMPANY] Mice or Antibodies, cells, or nucleic acids originally obta ined, isolated, identified, or derived from one or more of the [COMPANY] Mice ; ( b ) assays and methodologies necessary for the use of the [COMPANY] Mice ; provided, however, that excludes any Excluded Know - How, KM Know - H ow and any Information and Inventions to the extent claimed by the [COMPANY] Pat ent Rights