He had been de jure king since his father's death.

他父亲死后，他就成为天经地义的国王。

He is the de jure owner of the property.

他是财产的注定所有权人.

Didn't I tell you that he was here jure just now?

难道我没有告诉你他刚才在这儿吗？

Ownership is transferred ipso jure to the buyer on the date of quantitative and qualitative receipt.

在买方收到量、质相符的货物当天,所有权依法转移到买方.