From scientific and practical points of view, the article analyses the obstacles impeding the implementation of the Unified Real Estate State Register (URESR) data public reliability principle in Russia. The issues of filling the URESR information if data contradict other Federal information resources. Judicial practice for the protection of Federal real estate property in cases of forest lands and agricultural lands double accounting analyzed (on the example of Irkutsk region). The main causes of land disputes in the modern period researched. The rights protection effectiveness by resolving individual disputes in the courts is discussed. The need to strengthen the geo-information role in the ordering data in the state registries is substantiated.