Mealey's IP/Tech - Federal Circuit Reverses Indefiniteness Holding

Mealey's IP/Tech - Federal Circuit Reverses Indefiniteness Holding

WASHINGTON, D.C. - Although an Illinois federal judge properly determined that the Chicago Board Options Exchange Inc. (CBOE) did not infringe a financial trading patent, she erred in deeming one of the patent's claims indefinite, the Federal Circuit U.S. Court of Appeals ruled April 7 (Chicago Board Options Exchange Inc. v. International Securities Exchange LLC, No. 13-1326, Fed. Cir.).

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