Del. Code tit. 10, § 4708

A final judgment of the Supreme Court, given upon the reversal of a judgment of the Superior Court, shall bind real estate in the county wherein were the proceedings in the Court below, from the date of entering it in the Supreme Court, if, the record being remanded, the judgment is entered upon the docket of the Court below within 20 days after such date. If the judgment is not so entered within such time, it shall be a lien only from the time of entering it upon the docket of the Court below.