definiens: means any inventions : ( a ) related to humanized or chimeric antibodies that bi nd to IL-2R, whether patented or not, that are jointly made during the period beginn ing on January 31, 1989 and continuing until the Ef fective Date by at least one ( 1 ) PDL employee or person con tractually required to assign or license patent rig hts covering such inventions to PDL and at least one ( 1 ) [COMPANY] employee or person contractually required t o assign or license patent rights covering such inventions t o [COMPANY] ; or ( b ) related to antibodies that bind to IL-2R, whether p atented or not, that are jointly made during the period beginning on the Effective Date a nd continuing until the expiration or termination o f this Agreement by at least one ( 1 ) PDL employee or perso n contractually required to assign or license paten t rights covering such inventions to PDL and at least one ( 1 ) [COMPANY] employee or person contractually required t o assign or license patent rights covering such inventions t o [COMPANY]