预告登记保全对象风险分析

预告登记的保全对象主要是不动产物权变动请求权。这类权利有遭遇＂一物二卖＂等中间处分行为的危险。其原因在于,此类权利无对抗第三人的效力。此外,内含于某些物权变动模式中的登记制度也是这些风险存在和发生的决定性因素。对此风险,法律一般利用预告登记、损害赔偿以及债权人的撤销权等制度加以对抗。其中,预告登记有明显的优势：不但能够保障合同目的实现,而且防险成本低。这正是预告登记制度的价值所在。

On the Risks of the Objects Protected by Registration of Caution

The claim of real right ahemation is the main object protected by Registration of Caution. In the course of transferring, the claim often faces the risks of intervening-disposition. The essential reason lies in the fact that the claim has no validity against the third party. In addition, the registration system in the mode of real right alternation is the crucial factor for resistance and occurrence of the risks. There are two kinds of systems against them： one is Registration of Caution; the other is the law of damages. In addition, some countries and regions make use of the rescission right to protect creditor. Among the above three methods, Registration of Caution has its obvious advantages. It can not only guarantee the realization of the purpose of the contract but also cost low in anti-risk. This is the true value of the system of registration of caution.