9/21/2005

【辭典】claim differentiation 申請專利範圍相異原則

【辭典】claim differentiation 申請專利範圍相異原則

趣味の雑誌会(米国特許実務関係): "論説『米国におけるclaim differentiation法理の日本の特許権侵害訴訟での主張の 可否』、中村彰吾、知財管理、Vol.53No.62003pp889-896
 claim differentiationの法理とは、異なるクレーム(文言が異なる)同士は、異なる権利範囲を有すると解釈すべし、というもので、特に従属関係にあるクレーム群においては、従属先のクレームは、従属項における限定事項を含まないものも包含する、と解釈すべき、というものです。←私の理解ですが。"

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claim differentiation的法理為文義上相異的claim之間,應解譯成具有相異的權利範圍,特別是具有附屬關係的claim群組,被附屬的claim其所包含的範圍:不包括附屬項的限定條件。

參照此篇文章
The doctrine of claim differentiation “create[s] a presumption that each claim in a patent has a different scope.” Comark Communications, Inc. v. Harris Corp., 156 F.3d 1182, 1187 (Fed. Cir. 1998). The difference in meaning and scope between claims is presumed to be significant “[t]o the extent that the absence of such difference in meaning and scope would make a claim superfluous.” Tandon Corp. v. United States Int’l Trade Comm’n, 831 F.2d 1017, 1023 (Fed. Cir. 1987). Here, dependent claims limiting the claim to a single cable confirm that the independent claims may encompass more than one cable.

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http://patentlaw.typepad.com/patent/2005/09/nystrom_v_trex_.html
The panel dismissed claim differentiation as a basis for its previous broad construction: “[d]ifferent terms or phrases in separate claims may be construed to cover the same subject matter where the written description and prosecution history indicate that such a reading of the terms or phrases is proper.”