From that reply, there probably wasn’t.
「A patent is the first thing that comes to mind to protect the rights of a person. The patent is valid for a fixed period and the person who uses the patent must pay a 『royalty』, that is the kind of system it is」
Hearing that, Roland thinks for a little bit.
「I see, that is a good system. It is designed to protect the profit of the person who invents something new while allowing it to be widely available. Because of that, the opportunity to make the new thing will not rise」