"The following is a partial transcript of a presentation by Stefan Steinbrener - Member of the Enlarged Board of Appeal of the European Patent Office. Stefan Steinbrener's disclaimer: "This presentation gives the author's personal views"[1]. […] There's a nice anecdote from the British attorney at the time when this computer directive was discussed, the UK IPO arranged workshops and, ah, on one of these workshops the German definition was this might be helpful, and in this definition the reference to natural forces. And at the end of the workshop, somebody asked, when will be the workshop on "natural forces"? [laughter]"
Source: http://zoobab.wikidot.com/wiki:stefan-steinbrener-at-patinnova-2009