[Purpose/Significance] To advance the process of data rights confirmation and respond to China's strategic need for establishing a foundational data system, this paper systematically analyzes the key elements and inherent logic of the data intellectual property registration system, providing support for government departments to enhance the top-level design and practical implementation of the system. [Method/Process] Based on the DIKW Hierarchy and utilizing grounded theory, a coding analysis of data intellectual property registration policies from 17 provinces and municipalities in China was conducted. The registration system was deconstructed from the data, information, knowledge, and wisdom perspectives in a bottom-up manner. [Result/Conclusion] At the data level, mechanisms for data authorization and traceability are proposed. At the information level, standards for basic data processing and deep processing are clarified. At the knowledge level, the tripartite structure of data rights confirmation and regulatory safeguards are analyzed. At the wisdom level, the emphasis is placed on the release and realization of data value. Consequently, optimization strategies are proposed, including the establishment of a hierarchical and categorized authorization review system, the improvement of data processing and value assessment standards, and the innovation of registration certificate applications and circulation pathways.
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