What if when prior art was found for a patent, the real inventor got the patent, free, starting from the date of the invention, not the filing. This would both

What if when prior art was found for a patent, the real inventor got the patent, free, starting from the date of the invention, not the filing. This would both reward and protect the innovator and punish the copy cat. NOTE: Let us assume a patent is not obvious and too general, which many seem to be.