You can’t renew patents. That’s the entire spirit of a patent. In exchange for publishing an invention (which is required to apply for patent protection) you gain a limited term ownership of licensing rights for the invention, after which the invention becomes public domain. AS Danjal87 noted, in some industries it’s…

Sorry I don't agree. I feel like it came full circle and ended just fine.

See I only think it feels unfinished if you haven't played the entire series. It definitely makes the whole series come full circle and was superbly brilliant in my eyes.