Patent attorneys and surface texture

When an invention is in an esoteric field, such as tribology or surface metrology, it is especially important for the inventor to assist the patent attorney in understanding the novel features of the invention. For example, the inventor should make clear to the attorney that “surface roughness” may be defined as the average roughness, Ra or a number of other different texture parameters, measured with a particular spatial wavelength bandwidth. Failing to emphasize the importance of specifying the spatial wavelength bandwidth to the attorney may result in a less effective patent than desired…

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