The weekly litigation news digest is live. Subscribe now

Cisco Systems competitive analysis

Explore patent oppositions filed by Cisco Systems against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Jan 15, 2026
Patent NumberTitleApplicantOpposition Date
Hash-Based Multi-HomingORCKITOct 31, 2024
Point-To-Multipoint Functionality In A Bridged NetworkMALAMay 24, 2023
Device For Supporting Sub-Network Connection Protocol Over Packet NetworkORCKITApr 20, 2023
Methods And Systems For Protecting A Secured NetworkCENTRIPETALOct 5, 2022
Methods And Systems For Protecting A Secured NetworkCENTRIPETALMay 23, 2022
Rule-Based Network-Threat Detection For Encrypted CommunicationsCENTRIPETALNov 23, 2021
Rule-Based Network-Threat Detection For Encrypted CommunicationsCENTRIPETALNov 3, 2021
Filtering Network Data TransfersCENTRIPETALJun 23, 2021

Latest PTAB cases involving Cisco Systems

Discover the latest PTAB cases involving Cisco Systems, highlighting their recent legal challenges and patent disputes.

Last updated on: Jan 19, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Cisco Systems

IPR2026-00206Jan 13, 2026CISCO SYSTEMSPetition filed
IPR2026-00207Jan 13, 2026CISCO SYSTEMSPetition filed
IPR2026-00208Jan 13, 2026CISCO SYSTEMSPetition filed
IPR2026-00209Jan 13, 2026CISCO SYSTEMSPetition filed
IPR2026-00210Jan 13, 2026CISCO SYSTEMSPetition filed
IPR2026-00211Jan 13, 2026CISCO SYSTEMSPetition filed
IPR2026-00186Jan 7, 2026CISCO SYSTEMSPending
IPR2026-00187Jan 7, 2026CISCO SYSTEMSPending
IPR2026-00188Jan 7, 2026CISCO SYSTEMSPending
IPR2026-00127Nov 21, 2025CISCO SYSTEMSDYNAMIC MESH NETWORKSPending

Peer Comparison New

IP litigation analysis comparing Cisco Systems with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Jan 15, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
CISCO SYSTEMS8 - 23316
ARISTA NETWORKS - - 26 -
CENTRIPETAL NETWORKS - 10 - 43
OYSTER OPTICS - - - 26