Federal Circuit: HP Not Estopped from Challenging Claims Deemed Unchallengeable in IPR That It Had Joined (November 2020)

On Sept. 24, 2020, a Federal Circuit panel of Chief Judge Prost, Judge Newman, and Judge Bryson issued a decision in Network-1 Techs., Inc. v. HP Co., No. 2018-2338 (Fed. Cir. 2020). In a unanimous decision, the Federal Circuit vacated the district court’s finding that claims of U.S. Patent No. 6,218,930 (the ’930 patent) were valid over the prior art, determined that the district court erred in its claim construction, and remanded to the district court for proceedings consistent with its opinion.

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