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When an invention is made, the inventor has three possible courses of action
When an invention is made, the inventor has three possible courses of action
游客
2024-05-16
52
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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 (36)______ it.
A granted patent is the result of a (37)______ struck between an inventor and the state, by which the inventor gets a limited period of (38)______ and publishes full details of his invention to the public after that period (39)______.
Only in the most (40)______ circumstances is the life span of a patent extended to alter this normal process of events.
A patent remains (41)______ public after it has terminated. Indeed, patent experts often advise anyone wishing to avoid the high cost of (42)______ a search through live patents that the one sure way of avoiding violation of any other inventor’s right is to steal and use a dead patent. Likewise, because publication of an idea in any other form permanently (43)______ further patents on that idea, it is traditionally safe to take ideas from other areas of print. (44)____________.
Anyone closely involved in patents and inventions soon learns that most new ideas are, in fact, as old as the hills. (45)____________ that makes news and money. The basic patent for the theory of magnetic recording dates back to 1886.
(46)____________. Even the Volkswagen rear engine car was anticipated by a 1904 patent for a cart with the horse at the rear.
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答案
exceptional
解析
本段末尾的this normal process of events指代的就是上段中提到的“专利保护是有期限的”。由该句可知,只有在极其特殊的情况下,专利保护的期限才可以被延长。exceptional意为“例外的,特殊的”。注意形容词词缀-al。only引导的状语被置于句首,后面的句子需部分倒装,本句的正常语序应为The life span of a patent is extended to alter… only in…。
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