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Centripetal Asks PTAB Director to Overturn Cisco Patent Ruling

Centripetal Networks has petitioned the head of the U.S. Patent and Trademark Office to reverse a decision that invalidated one of its key cybersecurity patents involved in litigation with Cisco.

Opal Keller

July 15, 20261 min read

Patent Appeal - illustration, Jake Team LLC
Patent Appeal - illustration, Jake Team LLC

Centripetal Networks has formally requested that John Squires, the Director of the U.S. Patent and Trademark Office, intervene in a patent dispute involving Cisco. The company is seeking to overturn a ruling by the Patent Trial and Appeal Board that invalidated a specific cybersecurity patent held by Centripetal.

The patent in question was central to a previous legal battle between the two technology firms. That earlier litigation involved claims for billions of dollars but has since been vacated. Centripetal is now attempting to use the administrative appeal process to restore the validity of the patent through the PTAB Director.

The request targets a specific decision made by the Patent Trial and Appeal Board. By asking Director Squires to reverse this determination, Centripetal aims to change the legal standing of the patent. This move could potentially reopen avenues for the company in its ongoing disputes with Cisco.

Details regarding the specific grounds for the invalidation or the timeline for the Director's review are not yet clear from the available information. The outcome of this petition will determine whether the patent remains invalid or is restored to full force.

The case highlights the ongoing tension between the two companies over intellectual property rights in the cybersecurity sector. Centripetal's strategy relies on administrative review rather than immediate court action to challenge the board's previous judgment.

Cisco employs about 2,000 people in Richardson, according to local government records.

Source: Law360.

Sources

https://www.law360.com/amp/articles/2501067

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Opal Keller

Opal Keller reports on local business, new openings, and economic development in Richardson.

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