试论不当得利的准据法适用原则

On application principles of unjust enrichment

不当得利是民法中的一项基本法律制度。国际私法上的不当得利含有涉外因素,在法律适用上会发生冲突。不当得利的法律适用原则有不当得利地法原则、属人法原则、最密切联系原则、意思自治原则、适用基本法律关系的准据法原则,我国大陆立法为保护不当得利受害人的合法权益,维护社会公平,解决涉外不当得利纠纷,有必要制定国际私法典以完善不当得利法律适用制度。

Unjust enrichment is a basic legal system in civil law. Unjust enrichment in international private law contains the factor concerning foreign affairs and law application conflicts. This article has proven law application principle of unjust enrichment, principle of nationality, the doctrine of the most significant relationship, autonomy of will, applicable law governing basic relationship, analyzes legislative state of the mainland of China. In order to protect unjust enrichment victim＇s legitimate rights and interests, to safeguard the fair society, to solve the dispute of unjust enrichment concerning foreign affairs, it is necessary to make the international private code and to perfect the unjust enrichment legal system.