Talk:State of the art

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I added reference to Australian patent law using this concept, but I suspect that it is more widespread - can anyone confirm whether other major countries use it? It might be better to just say that it is used by many countries, rather than a list. Ricky 04:12, 12 October 2006 (UTC)

A simple search on the web gave an earlier occurence of the phrase. It is already used by Charles Sanders Peirce [Popular Science Monthly 12 (November 1877), pp. 1-15].131.155.109.27 16:08, 12 September 2007 (UTC)