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ARTICLE · 04 APRIL 2023

Conflict Ruling That Toppled $2.7B Judgment Ripples Through Other Litigation

RPX Corporation
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Last June, the Federal Circuit overturned a bench trial infringement ruling that had led to a $2.7B judgment in Centripetal Networks v. Cisco.

United StatesIntellectual Property
RPX Corporation
RPX Corporation

Originally Published January 23, 2023

Last June, the Federal Circuit overturned a bench trial infringement ruling that had led to a $2.7B judgment in Centripetal Networks v. Cisco. The appellate court held that the district judge was disqualified to hear the case after he learned that his wife owned of $5K in the stock of defendant Cisco but then failed to recuse himself. That decision now appears to be having a broader ripple effect: plaintiff Centripetal Networks has raised a similar issue before the Patent Trial and Appeal Board (PTAB), asserting that an inter partes review (IPR) against one of the tried patents has been "tainted" by an administrative patent judge's (APJ's) ownership of Cisco stock and other purported financial interests in the company. Meanwhile, in another campaign, plaintiff CellSpin Soft, Inc. has argued that a June 2022 summary judgment of noninfringement should be overturned due to a Northern District of California district judge's

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