> The original reasoning for patents was to provide a limited (in time) monopoly to inventors in exchange for sharing (and describing in detail) their invention with the whole of society.
Some of the apparent ancient predecessors of patents may have been on this basis, and clearly that's the theory of the modern patent system in some parts of the world. But the origin of letters patent was really the whim of the monarch, and they may have been granted for sharing information, or just for sharing the proceeds of the monopoly with the crown.
Some of the apparent ancient predecessors of patents may have been on this basis, and clearly that's the theory of the modern patent system in some parts of the world. But the origin of letters patent was really the whim of the monarch, and they may have been granted for sharing information, or just for sharing the proceeds of the monopoly with the crown.