N.Y. C.P.L.R. 1343

§ 1343. Notice of pendency; constructive notice. A notice of pendency\nmay be filed in any action brought pursuant to this article in which the\njudgment demanded would affect the title to, or the possession, use or\nenjoyment of, real property. The pendency of such an action is\nconstructive notice, from the time of filing of the notice only, to a\npurchaser from, or incumbrancer against, any defendant named in a notice\nof pendency indexed in a block index against a block in which property\naffected is situated or any defendant against whose name a notice of\npendency is indexed. A person whose conveyance or incumbrance is\nrecorded after the filing of the notice is bound by all proceedings\ntaken in the action after such filing to the same extent as if he or she\nwere a party.\n