属于，在法律英语中常见的表达有3种：

1. belong to，指财产属于；

2. possess指目前属于某人，不侧重如何得到；

3. own对......合法占有，相当于the ownership of ......belongs to

例句一(belong to)：

The ownership of any improved and developed technology shall belong to the party who has improved and developed the technology.

改进和开发的技术，其所有权属于改进和开发的一方。

例句二(own)：

The improved and developed technology shall be owned by the party who has improved and developed the technology.

改进和开发的技术，其所有权属于改进和开发的一方。

例句三(possess)：

他们把财产从非法占有者手里收回来了。

They evicted the property from its unlawful possessor.