> Implementation is confused with invention. I look at the system as an admission that it's impossible to know, post-hoc, whether something was copied or indep

> Implementation is confused with invention. I look at the system as an admission that it's impossible to know, post-hoc, whether something was copied or independently developed. We wouldn't have a problem with no patents, if we could only determine that. Agree that it seems like there should be more of an obviousness floor (e.g. "Can a reasonably trained engineer build this in less than a week?").