Zeroclick, LLC v. Apple Inc., No. 17-1267 (Fed. Cir. June 1, 2018)

From the Opinion

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Zeroclick, LLC sued Apple Inc. in the U.S. District Court for the Northern District of California, asserting claims 2 and 52 of U.S. Patent No. 7,818,691 and claim 19 of U.S. Patent No. 8,549,443. The district court found the asserted claims invalid for indefiniteness , reasoning that the claims recited means -plus-function terms for which the specifications do not disclose sufficient structure .