Here was one thought I've posted on the Mises blog a while back in regards to IP:
"Information is an abstraction which describes some arrangement of matter into forms recognizable by the human mind, and apart from the mind of the person discerning it, it is ultimately and universally meaningless.
Those arrangements could be the magnetic polar orientation of an iron atom, dark-colored ink molecules weaved into paper fibers, electrically-charged phosphor molecules in a bed of silicon, etc.
To say you have ownership over such things can only be in a physical term- in that specific arrangement pattern.
To say you can control others from making similar arrangements is making a metaphysical leap from objects of nature, to things our minds think about nature."