Let me replace the quatation marks for you: "schemes, rules and methods for performing mental acts, playing games or doing business," and programs for computer

Let me replace the quatation marks for you: "schemes, rules and methods for performing mental acts, playing games or doing business," and programs for computers; This how the patent lawyers interpret this clause. Companies I worked for pays £xxxx to their employees for patents. I've sat in some of the commitees which decides a patent is worth pursuing. My experience is the inventive step almost always involves some tweaking in existing algorithms.