试析不当得利返还请求权与其他请求权的关系

不当得利请求权和民法上的其他请求权之间的关系问题，即是一个理论问题，也是一个实务问题，不仅涉及民法各项制度的功能体系，也事关不当得利返还请求权在处理民事案件中作用的发挥。以财产上的请求权发生的基础为核心，不当得利与合同、无因管理、物的返还、侵权行为等之间的关系的适用性，仍是实践中存在的突出问题。我们应承认不当得利返还请求权的独立性，并在此基础上承认它与其他财产上请求权可能发生的竞合，这样有助于民法各项制度的功能协调，有利于更加充分地实现民法维护公平正义这一根本理念。

An Analysis of the Relationship between Return Claims of Unjust Enrichment and Others

The relationship between claim of unjust enrichment and other claims in Civil Law is a theoretical problem and also a practical one.It involves the functions of all systems in Civil Law and the roles of return claim of unjust enrichment in dealing with civil cases.The applicability among unjust enrichment,contract,spontaneous agency,returning of lost properties,infringement act,etc.is an outstanding problem in practice based on claims of properties.We should recognize independence of returning claim of unju...