Can my H-1B status be extended beyond the six year limit?

Extensions are possible if an employer files a PERM case or an I-140 petition on your behalf at least one year before you reach the six-year limit in H-1B status. Thereafter, your H-1B status may be extended in one-year increments. Once you have an approved I-140 petition, your H-1B status may be extended in three-year increments until your priority date is current.