It is a relationship which is not sporadic but developing and involves a continuity of the professional services from which the alleged malpractice stems” (Frenchman v Queller, Fisher, Dienst, Serrins, Washor & Kool, LLP, 24 Misc 3d 486, 498 [Sup Ct New York Cnty 2009], quoting Muller v Sturman, 79 AD2d 482, 486 [4th Dept 1981]; see Henry v Leeds & Morelli, 4 AD3d 229 [1st Dept 2004]). [read post]