Litigation

Centripetal Networks, LLC v. Palo Alto Networks, Inc. et al.

Vacated and Remanded

23-2027

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Filed
2023-05-23
Terminated
2025-10-22

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

Centripetal Networks appealed the PTAB's initial decision in IPR2022-00182 (and related IPRs) concerning US9917856. The Federal Circuit vacated the decision and remanded the case for further proceedings, citing the PTAB's failure to adequately consider evidence of copying.

Case overview & background

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