John
If its unregistered it wasn't previously owned.
It could have been previously owned, but not registered...sitting in a pristine cellophane wrapper somewhere, lost in the mists of time...
Legend has it the Roman emperor Titus, after completing the colosseum, was so distressed by the effort it took and the death of his father than he never actually registered his copy of Cakewalk Pro Audio. It may still be in a museum somewhere.