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Fed. Circ. Faults PTAB Ax In Centripetal Case But Not Recusal

By Ryan Davis ( October 22, 2025, 9:44 PM EDT) -- The Federal Circuit on Wednesday vacated the Patent Trial and Appeal Board's invalidation of Centripetal Networks LLC cybersecurity patent claims challenged by Cisco Systems Inc. in a high-stakes dispute, but rejected Centripetal's argument that the case was tainted by a PTAB judge's ownership of Cisco stock....

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