Lovely graphs, although if Javier's right some may be lovely but misleading. The patent graph, also, should be taken with a grain of salt; you file patents in the US only if you care about competing in the US, which biases the graph towards cities with multinationals, etc. The picture is a bit unclear on how it's aggregating USPTO vs. WIPO data, etc.; but no matter how it does it, it's clearly biased against local-knowledge and incremental innovation embodied purely in production processes rather than legal rights. And, of course, this only emphasizes how important it is to get our rules on IP right--have you checked out Levine and Boldrin's -Against Intellectual Monopoly- draft?