Case number IPR2021-00332
Cisco Systems, Inc. et al. v. Estech Systems, Inc. > Summary
Court Case Number IPR2021-00332
Filing Date Jan 4, 2021
Court Patent Trial and Appeal Board
Status Institution Denied
Claims Challenged in the Petition: 1, 2, 3, 6, 7, 8
Petitioner
Patent Owner
Petitioner Attorneys
3Cisco Systems
Attorney Name: Benjamin E. Weed
K&L Gates
Cisco Systems
Attorney Name: Mark G. Knedeisen
K&L Gates
Cisco Systems
Attorney Name: Erik James Halverson
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 |
|---|---|---|
| 06067349 | Dialing using caller ID | May 23, 2000 |
