Appeal 2006-3123 Application 10/368,789 The Examiner disagrees. The Examiner finds that Yu’s via checker 214 checks for a minimum number of vias by applying special via rules (See Yu, col. 11, ll. 51-67). The Examiner notes that power checker program 100 and via checker 214 generate an error indicator when an insufficient via array is detected (See Yu col. 11, ll. 46-67). The Examiner notes that Fig. 10 explicitly discloses errors based on via rules (See Yu, Fig. 10, Rules 6.1, 6.2, 6.3, 6.4, and 6.5; see also col. 8, ll. 9-11, ll. 34-35; col. 9, ll. 44-46; col. 11, ll. 19-23, ll. 46-67, col. 12, ll. 1-34). The Examiner finds that Yu’s power checker program 100 determines whether power and ground vias of the electronic design violate via sufficiency rules. Thus, the Examiner concludes that Yu fully discloses the recited limitations. The Examiner contends that Appellants are arguing limitations described in the Specification that are not claimed (Answer 5). After carefully reviewing all the evidence before us, we will sustain the Examiner’s rejection of claim 1 for essentially the same reasons argued by the Examiner in the Answer. In particular, we agree with the Examiner that Appellants are arguing limitations from the Specification. Patentability is based upon the claims. “It is the claims that measure the invention.” SRI Int’l v. Matsushita Elec. Corp.of America, 775 F.2d 1107, 1121, 227 USPQ 577, 585 (Fed. Cir. 1985) (en banc). A basic canon of claim construction is that one may not read a limitation into a claim from the written description. Renishaw plc v. Marposs Societa’ per Azioni, 158 F.3d 1243, 1248, 48 USPQ2d 1117, 1120 (Fed. Cir. 1998). Although the claims are interpreted in light of the specification, limitations from the specification are not read 5Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 Next
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