Claim Constructions Lead to Summary Judgment of Noninfringement
Trading Techs. Int'l., Inc. v. eSpeed, Inc., No 04 C 5312, Slip op. (N.D. Ill. June 20, 2007) (Moran, Sen. J.).*
Judge Moran granted defendants (collectively "eSpeed") summary judgment of noninfringement regarding eSpeed's Dual Dynamic, eSpeedometer and Modified eSpeedometer products (collectively the "Products").** The Court held that none of the Products met the "static" limitation in the claim terms "common static price axis" and "static display of prices." In previous opinions, the Court construed and reconstrued "common static price axis" as:
a line comprising price levels that do not change positions unless a manual re-centering command is received . . . .
(emphasis added). The Court also construed "static display of prices" as:
a display of prices comprising price levels that do not change positions unless a manual rec-centering command is received.
(emphasis added). Because each of the Products included either an automatic re-centering feature or "drift" re-centering (automatic re-centering in response to market changes), the Court held that the Products did not meet the "static" limitation and, therefore, did not literally infringe plaintiff Trading Technologies' ("TT") patents. In support of its ruling, the Court cited its claim construction reconsideration opinion (discussed in the Blog's archives), where it explained that "any movement of the static price axis leaves accused technology outside the protection of [TT's] patents."
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