There is likely a copyright system in Nepleslia but is likely only based on its military-industrial complex to ensure corporations like NAM keep their monopoly and that Nep-tech isnt threatened by the MANY talented minds of the kikyo sector who can likely create lesser versions with the knowledge they have on hand.
For the private sector, Nep has a very cutthroat system in regards to business practices but i would assume its less about legality and more about darwinism. Because you wouldnt want to step on the toes of mega-corporations who deal in the billions of trillions of DA and likely wage shadow-wars with other major corporations that could include the use of mercenaries and immeasurable resources. So im sure there is loose...