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IP Verse

Ciena competitive analysis

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Latest PTAB cases involving Ciena

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

Last updated on: Dec 1, 2025
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Ciena

IPR2025-01362Aug 31, 2025CIENAKMIZRAPending
IPR2025-01364Aug 28, 2025CIENAKMIZRAPending
IPR2021-00624Mar 9, 2021CIENACAPELLA PHOTONICSTerminated-Settled
IPR2021-00565Feb 19, 2021CIENAOYSTER OPTICSTerminated-Settled
IPR2017-02146Sep 21, 2017CIENAOYSTER OPTICSFinal Written Decision
IPR2015-01958Sep 24, 2015CIENACAPELLA PHOTONICSFinal Written Decision
IPR2015-01961Sep 24, 2015CIENACAPELLA PHOTONICSFinal Written Decision
IPR2015-00894Mar 17, 2015CIENACAPELLA PHOTONICSFinal Written Decision
IPR2015-00816Feb 26, 2015CIENACAPELLA PHOTONICSFinal Written Decision

Peer Comparison New

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

Last updated on: Nov 27, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
CIENA - - 9 -
CAPELLA PHOTONICS - - - 16
KMIZRA - - - 15
OYSTER OPTICS - - - 26