Business-method patents have recently aroused concern because of ______. We learn from the last two paragraphs that business-me

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问题 Business-method patents have recently aroused concern because of ______.
We learn from the last two paragraphs that business-method patents ______.

选项 A、are immune to legal challenges.
B、are often unnecessarily issued.
C、lower the esteem for patent holders.
D、increase the incidence of risks.

答案B

解析 本题是事实细节题。定位点在尾段第二句:Last April, for example, the justices signaled that too many patents were being upheld for "inventions" that are obvious.即:去年4月,该法院表明太多的专利都授予了一些极其明显的“发明”。就是说这种商业模式专利通常没有批准的必要性。
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