between H. Asmuin and H. Abdul Jamil (Plaintiff) against Sopiah and friends (Defendants) and has had permanent legal force. This ruling ruled case concerning land ownership since on the case object published 2 (two) certificates of Freehold Title i.e. number 56 and number 768. The case object was a land located at Tambakaji village, Ngaliyan sub district, Semarang city. One of the ruling essentially stated that the certificate of Freehold Title number 768 did not have any legal force. The ruling was implied on the implementation of land administration because it was a basic for certificate cancellation and maintenance of land registration data. The maintenance of land registration data was conducted not only to meet the puposes of land registration but also to meet the land registration up-to-date principle.
The purposes of this research were to discover the cause of overlapping of Freehold Title of certificates i.e. number 56 and number 768; and the implication of Supreme Court Ruling Number 3001 K/Pdt/2010 on the implementation of administration action conducted by the Land Office of Semarang City . Research method used in this research was juridical normative and juridical empirical research method with statute and analysis approach. Legal materials both primary and secondary as well as non legal material were collected and processed to be analyzed and drafted its conclusion to answer problem formulation in this research.
Based on research and analysis result, then it can be concluded that: first, factors that has become the cause of overlapping of Freehold Title of certificates i.e. number 56 and number 768, were bad faith from the seller, land data at village office that was not up to date and unavailability of registration map when the certificate was published; and second, the implication of Supreme Court ruling No. 3001 K/Pdt/2010 on the implementation of administration action conducted by the Land Office in Semarang City was the existence of court ruling that has had a permanent legal force, therefore it became a basic for the issuance of Cancellation Verdict of the certificate of Freehold Title Number 768 by the Head of National Land Office Regional Province of Central Java, which further it was followed up with the maintenance of land registration data.
The cancellation certificate of Freehold Title Number 768 that was not recorded in the registers, was causing the failure in fulfilling up to date principles and land registration purposes.

Key Words: Double Certificate, Court Ruling that has had permanent legal force,
Maintenance of Land Registration Data, Up-To-Date Principles