They aren't the property of the high and mighty Republic, and they certainly don't belong to the ridiculous Mr. They are people, no matter how they came to be.
Second, clones aren't the property of anyone. It's enough to make you scream at your television - first off, Echo is a prisoner of war. Wat Tambor, the slimy boss of that weird robotic conglomerate, is most displeased, as he claims that his property has been stolen. now they all have to escape from the Techno Union in the latest episode of Star Wars: The Clone Wars. Anakin, Rex, and the Bad Batch got in and retrieved the clone that was presumed to be dead. Well, he's been found, to be more accurate.