In law, possession is the control a person intentionally exercises toward a thing. In all cases, to possess something, a person must have an intention to possess it. A person may be in possession of some property (although possession does not always imply ownership

Ownership

Ownership is the state or fact of exclusive rights and control over property, which may be an object, land/real estate or intellectual property. Ownership involves multiple rights, collectively referred to as title, which may be separated and held by different parties. The concept of ownership has...

). Like ownership, the possession of things is commonly regulated by states under property law

Property law

Property law is the area of law that governs the various forms of ownership in real property and in personal property, within the common law legal system. In the civil law system, there is a division between movable and immovable property...

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An intention to possess (sometimes called animus possidendi) is the other component of possession.