3 known cases. View patent page →
Centripetal Networks, LLC sued Palo Alto Networks, Inc. in E.D. Va. The case proceeded through damages, §101, and claim-construction motions. Palo Alto also filed IPRs against related Centripetal patents, including IPR2021-01150 and IPR2022-00182 on the '856 patent. The '401 patent was not identified as asserted in this case.
Centripetal Networks, Inc. filed a second, broader suit against Keysight Technologies, Inc. in E.D. Va. Keysight challenged eight Centripetal patents at the PTAB, with most or all claims invalidated and appeals continuing into 2026. The narrative does not identify which patents were asserted in this case or whether the '401 patent was involved.
Inter partes review filed by Palo Alto Networks against a related Centripetal patent. The narrative identifies the challenged patent as US 9,917,856 ('856). The '401 patent was not the subject of this IPR.