NRS 11.040: When actions by State or its grantees are to be brought within 7 years.

When letters patent or grants of real property issued or made by this state are declared void by the determination of a competent court, an action for the recovery of the property so conveyed may be brought, either by the State, or by any subsequent patentee or grantee of the property, his or her heirs or assigns, within 7 years after such determination, but not after that period.