Utah Code § 78B-2-210: Adverse possession -- Under written instrument or judgment.

(1) Property is considered to have been adversely held if a person in possession of the property, either personally or through another:

(a)

(i) possesses a written document purporting to convey title; or

(ii) possesses a decree or judgment from a court of competent jurisdiction conveying title; and

(b) has occupied the property continuously for at least seven years.

(2) If the property consists of a tract divided into lots, the possession of one lot is not considered a possession of any other lot in the same tract.