Case number IPR2021-00329
Cisco Systems, Inc. et al. v. Estech Systems, Inc. > Summary
Court Case Number IPR2021-00329
Filing Date Dec 22, 2020
Court Patent Trial and Appeal Board
Status Institution Denied
Claims Challenged in the Petition: 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12
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: Shukri Souri
Exponent Inc.
Patent Owner Attorneys
6Estech 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: Kelly Kordzik
Matheson Keys & Kordzik
Estech Systems, Inc.
Attorney Name: Chad P. Ennis
Williams Simons & Landis PLLC
Estech Systems, Inc.
Attorney Name: Vijay Madisetti
Georgia Institute of Technology
Related Patents
| Doc No | Title | Issue date |
|---|---|---|
| 08391298 | Phone directory in a voice over IP telephone system | Mar 5, 2013 |
