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  3. Text 2 Over the past decade,thousands of

Text 2 Over the past decade,thousands of

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问题 Text 2 Over the past decade,thousands of patents have been granted for what are called business methods.Amazon.com received one for its"one-click"online payment system.Merrill Lynch got legal protection for an asset allocation strategy.One inventor patented a technique for lifting a box.Now the nation's top patent court appears completely ready to scale back on business-method patents,which have been controversial ever since they were first authorized 10 years ago.In a move that has intellectual-property lawyers abuzz the U.S.court of Appeals for the federal circuit said it would use a particular case to conduct a broad review of business-method patents.In re Bilski,as the case is known,is"a very big deal",says DennisD.Crouch of the University of Missouri School of law.It"has the potential to eliminate an entire class of patents."Curbs on business-method claims would be a dramatic about-face,because it was the federal circuit itself that introduced such patents with its 1998 decision in the so-called state Street Bank case,approving a patent on a way of pooling mutual-fund assets.That ruling produced an explosion in business-method patent filings,initially by emerging internet companies trying to stake out exclusive rights to specific types of online transactions.Later,more established companies raced to add such patents to their files,if only as a defensive move against rivals that might beat them to the punch.In 2005,IBM noted in a court filing that it had been issued more than 300 business-method patents despite the fact that it questioned the legal basis for granting them.Similarly,some Wall Street investment films armed themselves with patents for financial products,even as they took positions in court cases opposing the practice.The Bilski case involves a claimed patent on a method for hedging risk in the energy market.The Federal circuit issued an unusual order stating that the case would be heard by all 12 of the court's judges,rather than a typical panel of three,and that one issue it wants to evaluate is whether it should"reconsider"its state street Bank ruling.The Federal Circuit's action comes in the wake of a series of recent decisions by the supreme Court that has narrowed the scope of protections for patent holders.Last April,for example the justices signaled that too many patents were being upheld for"inventions"that are obvious.The judges on the Federal circuit are"reacting to the anti-patent trend at the Supreme Court",says HaroldC.Wegner,a patent attorney and professor at George Washington University Law School.26.Business-method patents have recently aroused concern because ofA.their limited value to businessB.their connection with asset allocationC.the possible restriction on their grantingD.the controversy over their authorization
选项 A.their limited value to business
B.their connection with asset allocation
C.the possible restriction on their granting
D.the controversy over their authorization
答案 C
解析 文章首段指出“在过去的10年，数以千计的被称为营业方法的专利获得批准。”而二段首句讲到了针对过去10年，目前的变化是国家最高专利法庭准备对营业方法专利进行缩减，由此可知，目前的变化肯定是营业方法专利最近引起关注的原因，因此，二段首句给出题目问及的原因，比对四个选项restriction和sale back的意思接近，而C项的表达正是对二段首句的同义置换，故为正确答案。A项是文中没有提到的，属无中生有选项；B项利用三段首句出现的asset allocation设置干扰选项，既然本题是道因果细节题，依据题干的关键信息解答本题应定位到二段首句并结合一段给出的背景，所以C项是和题目毫不相干的信息；D项“对授权的争议”是从十年前获得批准以来就一直受到了争议，而不是最近受关注的原因。
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