ATEN International Co., Ltd. v. Uniclass Technology Co., Ltd., No. 18-1606 (Fed. Cir. 2019)
Annotate this CaseUniclass and ATEN make and sell keyboard-video-mouse (KVM) switch systems that allow a user to control multiple computers from a single keyboard, video device, and mouse. ATEN sued Uniclass and the customer defendants alleging infringement of its 141 and 289 patents. The 141 patent is directed to technology for switching between computers that share a keyboard, monitor, and mouse through a KVM switch, such as a keyboard shortcut. A jury found that Uniclass did not infringe the asserted claims and that the asserted claims of the 141 patent were invalid as anticipated (35 U.S.C. 102) without specifying which reference was the basis for its finding. The Federal Circuit reversed as to invalidity and affirmed as to infringement. The finding of anticipation was not supported by substantial evidence that “each and every element is found within a single prior art reference, arranged as claimed.”
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