Abstract
THE writer of the article on the above topic has provided, in NATURE of November 13, p. 695, a very valuable graph of the number of British patents kept in force for the fourteen years' term, and has supplied useful figures of the number of foreign patents granted in Great Britain from 1900 to 1909; but I dissent from his conclusions. The former shows an almost continuous rise in the number of the fourteen-year enduring patents from 1897 onwards. This cannot be due to the retrospective action of the 1902 Act. It supports my contention that the rise is due to external industrial conditions. If the writer of the article compares his graph with the list of the numbers of foreign inventions patented here he will see that the rise or a fall in the latter is reflected in a corresponding rise and fall in the graph.
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HULME, E. Patent Law and Unemployment. Nature 118, 840 (1926). https://doi.org/10.1038/118840a0
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DOI: https://doi.org/10.1038/118840a0
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