"Repackaged as intellectual property, the doctrines came into their own chiefly in the last three decades of the twentieth century, propelled forward in no small part by the desire for global commerce that fed the trade policies of a handful of so-called "developed nations"—foremost among them the United States. [...] The fact is that intellectual property interests lack the finite tangibility characteristics of most forms of property; things protected by copyright and patent are not "rivalrous"."
January 1, 1970
https://en.wikiquote.org/wiki/Intellectual_property