不当得利返还请求权与其它请求权的竞合研究

不当得利返还请求权作为一项债权请求权与民法上的其它请求权共同构筑起民法的请求权系统,各项请求权要素按一定结构,在互动协调中实现民法的整体规范功能。囿于对不当得利返还请求权在实质上和形式上以及与其它请求权关系的不当定位,不当得利返还请求权的价值未能得以充分展示,从而严重影响了民法整体功能的实现。本文在民法请求权系统的构架中探讨了不当得利返还请求权与所有物返还请求权、合同上的请求权、侵权损害赔偿请求权、无因管理请求权的互动协调关系,力求建构起不当得利返还请求权与其它请求权的竞合结构。

On the Concurrence Concerning the Right of Claim of Restitution of Unjust Enrichment and Other Rights of Claim

The right of claim of unjust enrichment in the law of obligation and other rights of claim in the civil law constitute the system of right of claim in the civil law. According to certain structure the rights of claim embody the total regulatory function of the civil law in harmony. Because the essential and formal orientation of the right of claim of restitution of unjust enrichment is improper, its function is not fully embodied, and furthermore the fulfillment of the total function of the civil law is seriously affected. On the basis of the mutual harmony of the system of right of claim of the civil law, this article observes the concurrence between the right of claim of restitution of unjust enrichment and that of possessions, right of claim in contract law, right of claim of tortuous damages and right of claim of negotiorum gestio.