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  3. When an invention is made, the inventor has three possible courses of action open to him: he can give the invention to the world

When an invention is made, the inventor has three possible courses of action open to him: he can give the invention to the world

admin2023-01-29  21
问题     When an invention is made, the inventor has three possible courses of action open to him: he can give the invention to the world by publishing it, keep the idea secret, or patent it.
    A granted patent is the result of a bargain struck between an inventor and the state, by which the inventor gets a limited period of monopoly and publishes full details of his invention to the public after that period terminates (结束).
    Only under the most exceptional circumstances is the lifespan of a patent extended to alter this normal process of events.
    The longest extension ever granted was to Georges Valensi; his 1939 patent for color TV receiver circuitry was extended until 1971 because for most of the patent’s normal life there was no color TV to receive and thus no hope of reward for the invention.
    Because a patent remains permanently public after it has terminated, the shelves of the library attached to the patent office contain details of literally millions of ideas that are free for anyone to use and, if older than half a century, sometimes even re-patent; indeed, patent experts often advise anyone wishing to avoid the high cost of conducting a search through live patents that the one sure way of avoiding violation of any other inventor’s right is to plagiarize (抄袭) a dead patent. Likewise, because publication of an idea in any other form permanently invalidates further patents on that idea, it is traditionally safe to take ideas from other areas of print. Much modern technological advance is based on these presumptions of legal security.
    Anyone closely involved in patents and inventions soon learns that most "new" ideas are, in fact, as old as the hills. It is their reduction to commercial practice, either through necessity or dedication, or through the availability of new technology, that makes news and money. The basic patent for the theory of magnetic recording dates back to 1886. Many of the original ideas behind television originate from the late 19th and early 20th century. Even the Volkswagen rear engine car was anticipated by a 1904 patent for a cart with the horse at the rear.
The patent granted to an inventor usually determines ________.
选项 A、how the invention will be used
B、how the invention was made
C、when the invention will become publiC
D、when the invention will be out of use
答案C
解析 根据题干关键词patent，granted，inventor定位到第2段。第2段非限制性定语从句中的which指代主句中的patent，从句中的后半段表明专利的垄断期过后，发明人就要将发明公之于众，即C。A、B在原文均未涉及；D中的out of use意为“废弃，不被使用”，但第2段段束的that period terminates指的是发明者对发明的垄断时间的终止，而不是指发明被终止使用的时间，因此，D错误。
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