Abstract
IN a leading article in NATURE of September 18, it is argued that the increase in the percentage of patents kept alive to the end of the fourteenth year since 1905 is due to official examination for novelty introduced in that year. I submit that this reasoning does not hold good. The rise preceded the year 1905, as the following figures will show:
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HULME, E. Patent Law and Unemployment. Nature 118, 694–695 (1926). https://doi.org/10.1038/118694b0
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DOI: https://doi.org/10.1038/118694b0
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