The Law of Patents. By II. B. Hemming, LL.B. (Watorlow
and Sons. 6s. net.)—The aims of Mr. llemming's book nety be best stated in his own words. "In the first part of the book the aim has been to convey to the minds of the inventor and business man a clear and definite idea of the nature of a patent and how to obtain it. The second part deals with the Act of 1902, and appeals primarily to the legal practitioner." The cost of a patent, we see, is about .2100, but this is for what may be generally described as a successful patent You can have a patent for four years (dating from application) for .25. If it has not "caught on," you probably drop it ; if it promises well, .25 has to be paid for the next year, and a fee, increasing by £1 annually, for each year that follows till the fourteenth is reached.
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