翻一翻《元照英美法词典》，legal title对应的中文为“法定产权；普通法上的产权”，是指根据普通法原则确认的产权，与根据衡平法原则为衡平法所承认的产权有别；也就是说，指在普通法法院可获承认或执行的产权，或者指这样的一种产权：即对财产的所有权和占有在表面上是完整、完好无缺的，但对财产并无受益权，而他人对该财产则享有衡平法上的权益。法律上的产权不以登记为必要。购买他人因欠税被拍卖的财产而取得的产权〔tax title〕，在形式上有效的情况下，也属于法定产权。

上述提到的衡平法上的产权，对应的英文表达为equitable title，指受衡平法保护的所有权，如信托受益人享有的财产所有权。

随附二者的英文释义：

Legal Title: Title that can be documented and is available through public records. Such title grants rights to the owner to exercise various types of rights on the property such as easement rights, development rights, possession rights, selling rights, exclusive use, etc. 

Equitable Title: Title that allows the owner to enjoy the property, even though they may or may not have legal title. True ownership requires legal title.