“In an action to recover damages for legal malpractice, a plaintiff must demonstrate that the attorney failed to exercise the ordinary reasonable skill and knowledge commonly possessed by a member of the legal profession and that the attorney’s breach of this duty proximately caused the plaintiff to sustain actual and ascertainable damages” (Bua v Purcell & Ingrao, P.C., 99 AD3d 843, 845; see Bells v Foster, 83 AD3d… [read post]