To establish the element of causation, a plaintiff must show that he or she would have prevailed in the underlying action or would not have incurred any damages but for the attorney's negligence (see Rudolf v Shayne, Dachs, Stanisci, Corker & Sauer, 8 NY3d at 442; Wray v Mallilo & Grossman, 54 AD3d 328, 329 [2008]; Carrasco v Pena & Kahn, 48 AD3d at 396). [read post]