A stimulation lead, comprising a lead body comprising a longitudinal surface, a distal end, and a proximal end, wherein the lead body comprises a material that is biocompatible, nonconducting, and polymeric, and a plurality of electrodes disposed along the longitudinal surface of the lead body near the distal end of the lead body, the plurality of electrodes comprising a plurality of segmented electrodes, each of the segmented electrodes comprising an exterior surface, an interior surface opposite the exterior surface, a lateral side surface between the interior surface and the exterior surface, a proximal end, and a distal end, at least one of the segmented electrodes comprising a notch formed in the segmented electrode, extending from or toward the lateral side surface, and extending from the proximal end to the distal end of the segmented electrode, wherein the notch is filled with material from the lead body to facilitate retention of the at least one of the segmented electrodes in the lead body.
