利益返还请求权之若干问题——兼评我国票据法第18条之规定

On the Right of Recovery for Benefit

利益返还请求权性质上属不当得利请求权 ,其构成上的特别要件为因保全措施之欠缺或时效经过导致票据权利丧失 ,利益是指票据债务人基于原因关系和资金关系所得到的利益。

The right of recovery for benefit belongs to the right to claim for unjust enrichment in nature. The special condition constituting the right of recovery for benefit is deficiency of protective measure or lapse of time, which leads to the loss of right of bill. Because of causative relation and financial relation, the debtor on commercial instrument can obtain the benefit.