19 C ONFIDENTIAL NO T F OR DIS TR IB UTIO N Conversi on Spatial Data Min in g Rec order would regis ter a c ell c lai m for a ny grid cell that a l egac y claim covers or in tersects one ce ll cla im if all inter sectin g legac y cla ims have the same re corded holder where two o r more holders claim a ce ll boundary cla ims would be re gistered for each legac y cla im holder ea ch boundary c laims ex tent would be the portio n o f the ce ll covere d by the legac y cla im