R.I. Gen. Laws § 34-16-7

Open, adverse, exclusive, and uninterrupted possession and enjoyment by the plaintiff, or by his or her predecessors in title or both the plaintiff and predecessors together of the real estate or his, her, or their interest therein described in the complaint, for a period of at least ten (10) years, shall raise the rebuttable presumption in law and in fact of a lost grant, properly executed and delivered, effective to cure the defect or defects in plaintiff’s title, as set forth in the complaint and/or to remove the cloud thereon, as it concerns any party named or referred to in the cause.