Ownership (noun)

1. The state or fact of being an owner.
2. The right to possess, control, and dispose of a thing.
3. The relationship between an owner and a thing owned.

Origin:

Late middle english: from owner (noun) + -ship.

Examples:

1. He has ownership of the company.
2. The ownership of the property is in dispute.
3. The car's ownership was transferred to the new owner.
4. The company's ownership was changed.
5. The ownership of the land is uncertain.