Cisco Systems, Inc. et al. v. Estech Systems, Inc. > Summary
Court Case Number IPR2021-00333
Filing Date Jan 8, 2021
Court Patent Trial and Appeal Board
Status Institution Denied
Administrative JudgesJennifer Meyer Chagnon, Thomas L. Giannetti, Charles J. Boudreau
Judge Writing the Final DecisionJennifer Meyer Chagnon
Claims Challenged in the Petition: 1, 2
Petitioner
Patent Owner
Petitioner Attorneys
3Cisco Systems
Attorney Name: Benjamin E. Weed
K&L Gates
Cisco Systems
Attorney Name: Erik James Halverson
K&L Gates
Cisco Systems
Attorney Name: Mark G. Knedeisen
K&L Gates
Patent Owner Attorneys
5Estech Systems, Inc.
Attorney Name: John Wittenzellner
Williams Simons & Landis PLLC
Estech Systems, Inc.
Attorney Name: Matthew Rozier
Williams Simons & Landis PLLC
Estech Systems, Inc.
Attorney Name: Chad P. Ennis
Williams Simons & Landis PLLC
Estech Systems, Inc.
Attorney Name: Vijay Madisetti
Williams Simons & Landis PLLC
Related Patents
| Doc No | Title | Issue date |
|---|---|---|
| 07123699 | Voice mail in a voice over IP telephone system | Oct 17, 2006 |
