Abstract
WITH regard to Mr. Hulme's first point, the accompanying graph, Fig. 1, which shows the number of patents surviving fourteen years from each of a large number of years, indicates that his selection of figures is not representative. The effect of the Acts of 1883 and 1902 is very clearly seen. It is true, however, that the figures for 1903, 1904 show the effect of the Act of 1902 (the figure for 1903 is differently given in different reports), while the slight increase for 1901, 1902 may or may not be a normal fluctuation. The rise in 1903, 1904 may be attributed to two causes:
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Patent Law and Unemployment. Nature 118, 695 (1926). https://doi.org/10.1038/118695a0
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DOI: https://doi.org/10.1038/118695a0
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