Litigation

Keysight Technologies, Inc. v. Centripetal Networks, Inc.

Final Written Decision On CAFC Remand (joined)

IPR2022-01199

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Filed
2021-11
Terminated
2026-06-11

Patents at issue (1)

Defender signal. Patent 9917856 has had claims invalidated at PTAB. Those final written decisions are public record and a ready-made § 102 / § 103 ground in district court. See IPR estoppel for what carries over.

99178563 PTAB invalidations

Summary

Keysight Technologies filed this IPR, which was joined with IPR2022-00182. The PTAB issued a Final Written Decision On CAFC Remand for this joined case.

Case overview & background

Plain-language overview of the case: parties, accused product, patents at issue, and why the suit matters.

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Key legal developments & outcome

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Plaintiff representatives

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Defendant representatives

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