Originally Posted by Jozawun
If ownership is the key factor, rather than direct or indirect purchase, then you get some odd results.
First, what of a person who becomes the legal owner of a stolen book by buying it at a market overt?
Second, what of a person who becomes the legal owner of a book gifted to him by a person who originally purchased it legally, and first used and copied it for his own purposes before passing it on?
You can't become legal owner of stolen goods, even if you purchase them from the thief. The only exception to this rule is cash. If someone buys something from you with stolen cash the cash is still yours.