(Taking continental law as basis because lol common "law") Ownership means you have these three rights towards the object: usus, fructus and abusus. usus (use,

(Taking continental law as basis because lol common "law") Ownership means you have these three rights towards the object: usus, fructus and abusus. usus (use, i.e reading) and abusus (abuse, i.e deleting the file) are fine under DRM, but DRM introduces non-legally-required limitations for enjoying the fruits of the ebook you own (renting it, lending it, selling it). Any "ownership" with DRM is not ownership in the legal sense. Copying falls under the ownership of the text within the book. It is something completely separate.