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Difficulty: HardNecessary vs. Sufficient Condition Flaws

Legal Scholar: A patent for a software algorithm is legally enforceable only if the algorithm provides a novel technical solution. The newly granted patent for the 'Synapse' data-sorting algorithm clearly provides a novel technical solution, as evidenced by its unprecedented processing speed. Therefore, the 'Synapse' patent is guaranteed to be legally enforceable.

The reasoning in the legal scholar's argument is most vulnerable to criticism on the grounds that the argument does which one of the following?

  1. treats a condition that is required for a patent to be legally enforceable as a condition that guarantees its enforceabilityAnswer
  2. B
    treats a condition that is sufficient to establish a patent's enforceability as a requirement for its enforceability
  3. C
    illicitly shifts the meaning of the phrase "novel technical solution" between the premise and the conclusion
  4. D
    assumes that because a particular technical feature is present in a single algorithm, it must be present in all similar algorithms
  5. E
    presumes that because two characteristics frequently occur together in patent applications, one must be the cause of the other

Answer

The argument treats a condition that is required for a patent to be legally enforceable as a condition that guarantees its enforceability.
The argument explicitly states that a novel technical solution is required ('only if') for a patent to be enforceable. It then proves the 'Synapse' patent has a novel technical solution and concludes that it is 'guaranteed' to be enforceable. By assuming that meeting a minimum requirement ensures success, the author incorrectly treats a necessary condition as a sufficient condition.

Step-by-Step Solution

1
Diagram the conditional relationship established in the first sentence.
Legally Enforceable → Novel Technical Solution.
The phrase 'only if' introduces a necessary condition, meaning a novel technical solution is required for enforceability.
2
Analyze the application of the premise to the specific case of the 'Synapse' algorithm.
The argument establishes that the necessary condition is met: 'Synapse' provides a Novel Technical Solution.
The author provides evidence (processing speed) to show the requirement has been fulfilled.
3
Evaluate the conclusion drawn from the premises.
The author concludes that because the necessary condition is met, the sufficient condition (Legal Enforceability) is guaranteed.
The word 'guaranteed' indicates absolute certainty that the patent is enforceable.
4
Identify the logical flaw by comparing the abstract structure to standard LSAT flaw types.
The argument commits an Illegal Reversal by assuming that fulfilling a necessary requirement is enough to ensure a specific outcome.
Just because an algorithm has a novel technical solution does not mean there aren't other requirements (like proper filing, non-obviousness) needed for enforceability.

Key Concept

Necessary vs. Sufficient Condition Flaws (Illegal Reversal)
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Necessary vs. Sufficient Condition Flaws

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