I especially agree with #5, if you don't invent/show reasonable progress on an algorithm/device/etc within X (TBD) years the patent is useless; you should have

I especially agree with #5, if you don't invent/show reasonable progress on an algorithm/device/etc within X (TBD) years the patent is useless; you should have kept it a trade secret or worked on it. Also, anything that is overly broad should be laughed out of the patent office. also current patents are far far too long