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(See the complete passage discussion here: lsat/viewtopic.php?t=13783)
The correct answer choice is (E)
This question asks us to determine the meaning of the term “invent around,” as it is used in passage A. In the second paragraph, the author explains why patents should be narrow enough to “invent around,” and laments the practice of issuing patents that are “so broad that inventing around them is practically impossible” (lines 14-15). Specific Reference/Purpose questions require contextual awareness of the referenced text, and are best approached with an active prephrase.
Answer choice (A): This is the Reverse answer choice. Inventing around existing patents requires “nonobvious” inventions that can be patented, rather than “obvious” inventions that cannot be patented.
Answer choice (B): Concealing a patent infringement sounds unwise, and is never discussed in either passage. This answer choice is incorrect.
Answer choice (C): This answer choice may sound attractive, because one could argue that using a patented invention in a novel way is tantamount to “inventing around” that patent. While this may be a hotly debated issue in patent law, it is not the author’s argument. Beware of introducing outside information to the passage when answering Must Be True questions.
Answer choice (D): While “inventing around” does require developing new products, there is no reason to believe that the principles upon which such inventions are based must be “entirely different” from those for products affected by competitors’ patents. This answer choice contains an exaggeration and is incorrect.
Answer choice (E): This is the correct answer choice. From the discussion in the second paragraph of passage A, we know that “inventing around” existing patents requires such patents to be narrow enough that companies can circumvent them, i.e. devise products that are functionally similar to the ones patented, but different enough to avoid patent infringement.