Estech Systems competitive analysis

Latest PTAB cases involving Estech Systems

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

Last updated on: Feb 4, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Estech Systems

IPR2021-00573Mar 5, 2021RINGCENTRALESTECH SYSTEMSFinal Written Decision
IPR2021-00574Mar 5, 2021RINGCENTRALESTECH SYSTEMSFinal Written Decision
IPR2021-00333Jan 8, 2021CISCO SYSTEMSESTECH SYSTEMSInstitution Denied
IPR2021-00332Jan 4, 2021CISCO SYSTEMSESTECH SYSTEMSInstitution Denied
IPR2021-00329Dec 22, 2020CISCO SYSTEMSESTECH SYSTEMSInstitution Denied
IPR2021-00331Dec 22, 2020CISCO SYSTEMSESTECH SYSTEMSInstitution Denied

Peer Comparison New

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

Last updated on: Feb 5, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
ESTECH SYSTEMS - - - 6
CISCO SYSTEMS8 - 23316
RINGCENTRAL - - 2 -