“Intellectual property is generally characterized as non-physical property that is the product of original thought. Typically, rights do not surround the abstract non-physical entity; rather, intellectual property rights surround the control of physical manifestations or expressions of ideas. Intellectual property law protects a content-creator’s interest in her ideas by assigning and enforcing legal rights to produce and control physical instantiations of those ideas …” (more)
Stanford Encyclopedia of Philosophy. First published Tue Mar 8, 2011; substantive revision Wed Oct 10, 2018.