PTAB Won't Take Up Unified's Challenge Of Video Patent

Law360 (July 19, 2021, 4:39 PM EDT) -- Unified Patents was dealt a loss when the Patent Trial and Appeal Board refused to review a video compression standard-essential patent owned by the Electronics Telecommunications Research Institute and other Korean institutions.

In a decision issued Friday, the PTAB said Unified failed to show that at least one of the challenged claims in the patent owned by ETRI, Kwangwoon University and Sejong University were invalid for being anticipated or obvious over prior art.

Among other things, the PTAB said an earlier U.S. patent known as Nishi did not disclose either the horizontal or vertical intra prediction modes that would render a...

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