1/26/11 (Robins)
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Hotchkiss v Greenwood tells us the overall result must be greater than the sum of the parts. Using a new material in this case was equivalent to the work that a skilled mechanic could perform. Therefore the patent was invalid.
judge dissented saying that new material warrented a patent because it was an improvement, ordinary skill in the art does not matter. If its new or better, thats all that matters. <<<no longer true.
A&P case- this case was reversed, it was judged that the combination of old inventions was not a patentable item. Corporate success is not a justification for a patent.
