權利要求書中“功能性限定”的解釋問題一直是業界熱議的話題,但至今各方觀點尚未取得共識。之前,筆者也曾就“功能性限定”問題發表了一些看法~(1,2),本文擬對在先的觀點作進一步補充和深化。爲了搞清楚問題的全貌,我們不妨回到問題的原點,從源頭梳理一下,看看分歧究竟由何而起。具體地說,在對“功能性限定”進行解釋之前,首先回顧一下究竟什麽是“功能性限定”、爲什麼要使用“功能性限定”以及在實踐中是如何使用“功能性限定”的。 The issue of interpretation of the “functional limitations” in the claims has always been a hot topic in the industry, but up to now no consensus has been reached between the parties. Previously, I also made some comments on the issue of “functional limitations.” (1, 2) This article intends to further supplement and deepen the earlier views. In order to find out the whole picture of the problem, let us return to the origin of the problem and sort out from the source to see exactly where the difference arises. Specifically, before explaining “functional constraints,” let’s first review what exactly is “functional qualification”, why use “functional qualification”, and how to use it in practice. “ Functional limitations ”.