Which of the following issue could possibly be argued in patent litigation while the claims employ words of de…

Question

Which of the following issue could possibly be argued in patent litigation while the claims employ words of degree, such as "close to," "approximately," "substantially equal," or "closely approximate"?

Accepted Answer

正確答案為 A。Definiteness（明確性）要求請求項界定的保護範圍要清楚。使用 close to、approximately 等模糊用語，會讓人無法判斷界線在哪，因此在專利訴訟中常被質疑不明確。

Which of the following issue could possibly be argued in patent litigation while the claims employ words of degree, such as "close to," "approximately," "substantially equal," or "closely approximate"?

為什麼答案是 A

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