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Sonus Networks competitive analysis

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Latest PTAB cases involving Sonus Networks

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

Last updated on: Nov 9, 2025
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Sonus Networks

IPR2019-00395Dec 5, 2018METASWITCH NETWORKSSONUS NETWORKSTerminated-Settled
IPR2019-00396Dec 5, 2018METASWITCH NETWORKSSONUS NETWORKSTerminated-Settled
IPR2019-00272Nov 12, 2018METASWITCH NETWORKSSONUS NETWORKSTerminated-Settled
IPR2019-00273Nov 12, 2018METASWITCH NETWORKSSONUS NETWORKSTerminated-Settled
IPR2019-00051Oct 17, 2018METASWITCH NETWORKSSONUS NETWORKSTerminated-Settled
IPR2019-00052Oct 17, 2018METASWITCH NETWORKSSONUS NETWORKSTerminated-Settled
IPR2018-01719Sep 20, 2018METASWITCH NETWORKSSONUS NETWORKSTerminated-Settled

Peer Comparison New

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

Last updated on: Nov 6, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
SONUS NETWORKS - - - 7
METASWITCH NETWORKS - - 94