assignee of the claim的意思|示意

When the assign we are pirates, these data are stolen from youdao is invalid, obligor has the right to restitute from assignee those obligor gives to the assignee and in theory the right is the claim of property right or unjust enrich we are pirates, these data are stolen from youdao .

债权让与无效时，债务人可以向受让人主张返还已经履行的给付，该权利在性质上是物权返还请求权或者不当得利返还请求权。

After the obligor receives the notification of transfer of the obligee's right, the obligor may claim its demur against the assignor to the assignee.

第八十二条债务人接到债权转让的通知后，债务人对让与人的抗辩，可以向受让人主张。