Still unresolved problems with revindication of nationalized assets are a challenge for a modern lawmaker, judiciary and doctrine. The example of Wilanów book collection is only a part of this general and complex issue. This article is doctrinal analyze of the judgment of the Court of Appeal in Warsaw of 23.06.2016 in case I ACa 2305/15 concerning claims for damages arising from the conversion of the vindication claim of the former owner Wilanów. It is important to establish the basis for the implementation of the vindication claim by answering the question whether the state taking over the property of the Wilanów property as a result of land reform took over also the entire palace and park complex together with equipment. The analysis of the evolution of jurisprudence and discrepancies in doctrine views is an answer to this question. The case of the Wilanów book collection is an opportunity to investigate the use of general civil law institutions to address the problem. At the same time it leads to reflection on the functioning of the so-calling court reprivatisation. The author analyzes issues of an active and passive legitimation, vindication and supplementary claims, prescription, liability of the state for legislative unlaw on the background the nationalization. In the conclusions, the author acknowledges the issue of conflict of goods and interests in the realization of claims of recovery of ownership by former owners supports the postulate of regulating the issue of rerivatization by a statute.