Cisco Systems, Inc. vs. Dynamic Mesh Networks, Inc.

Explore the PTAB proceeding IPR2025-01523 filed by Cisco Systems, Inc. on 2025-09-08. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-01523

Filing Date

2025-09-08

Accorded Filing Date

2025-09-08

Institution Decision Date

2026-01-09

Last Modified Date

2026-02-19

Proceeding Type

IPR

Termination Date

2026-01-09

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Cisco Systems, Inc.

Represented By

Foster, Theodoreet al

Patent Owner / Respondent

Dynamic Mesh Networks, Inc.

Represented By

Bernard, Elizabethet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2600 - Communications

Patent Information

1 Patent Involved

Respondent Application Number 10434948

Respondent Patent Number 7420952

External Links

Espacenet

Google Patents

Respondent Inventor Francis da Costa et al

Respondent Tech Center TC 2600 - Communications

Address and Attorney/Agent Information

4 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name MICHAEL J. CHERSKOV - SZYMON M. GURDA

Customer Number 27197

Address 903 COMMERCE DR, SUITE 310, OAK BROOK, IL, 60523, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
30836	Donald Flaynik Jr	815-467-4333
33664	Michael Cherskov	312-621-1330
58451	Szymon Gurda	312-621-1330
84142	Yi Lu	312-621-1330

Proceeding Documents

Notice: refund approved NOTICE

2026-02-19 FILING PARTY: BOARD

Download

Petitioner's Request for Refund of Post-Institution Fees OTHER

2026-02-05 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2026-01-09 FILING PARTY: BOARD

Download

1024

Ex.1024 - FCMS E.D. Tex. Case Management Stats Exhibit

2025-12-18 FILING PARTY: PETITIONER

Download

1025

Ex.1025 - US20040090943 Exhibit

2025-12-18 FILING PARTY: PETITIONER

Download

Cisco Systems, Inc. vs. Dynamic Mesh Networks, Inc.

Proceeding Overview

Parties & Counsel

Petitioner

Cisco Systems, Inc.

Represented By

Patent Owner / Respondent

Dynamic Mesh Networks, Inc.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: refund approved NOTICE

Petitioner's Request for Refund of Post-Institution Fees OTHER

Director Discretionary Decision: Deny RESPONSE

Ex.1024 - FCMS E.D. Tex. Case Management Stats Exhibit

Ex.1025 - US20040090943 Exhibit

Ex.1022 - Sotera Stipulation for IPR2025-01523 Exhibit

Ex.1028 - Disclaimer of 537 Exhibit

Petitioner's Opposition to Patent Owner's Request for Discretionary Denial RESPONSE

Ex.1029 - US8514852 Exhibit

Ex.1032 - US8520691 Exhibit

Ex.1031 - US8477762 Exhibit

Ex.1027 - InfoWorld Issue 47 Exhibit

Ex.1030 - US7894385 Exhibit

Ex.1026 - USPTO Transaction History For US App. No. 10434948 Exhibit

Patent Owner’s Preliminary Response POPR

Ex.1023 - FCMS N.D. Cal. Case Management Stats Exhibit

Exhibit 2016 Exhibit

Patent Owner's Authorized Supplemental Briefing OTHER

Email Correspondence Exhibit

Exhibit 2008 Exhibit

PATENT OWNER’S REQUEST FOR DISCRETIONARY DENIAL OF INSTITUTION OF PETITION FOR INTER PARTES REVIEW OF UNITED STATES PATENT NO. 7,420,952 RESPONSE

Exhibit 2006 Exhibit

Exhibit 2004 Exhibit

Exhibit 2010 Exhibit

Exhibit 2005 Exhibit

Exhibit 2007 Exhibit

Exhibit 2002 Exhibit

Exhibit 2009 Exhibit

Exhibit 2003 Exhibit

Exhibit 2011 Exhibit

Notice filing date accorded to Petition NOTICE

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Ex.1021 - Infringement Contentions Exhibit

Ex.1013 - US20020110105A1 Exhibit

Ex.1020 - US6377782 (Bishop) Exhibit

Ex.1018 - US20030224750A1 (Sampath) Exhibit

Ex.1012 - Complaint Exhibit

Ex.1006 - US7031293 (Srikrishna) Exhibit

Ex.1004 - CV of Christopher Hansen Exhibit

Ex.1014 - Tanenbaum - Computer Networks - 4th Ed excerpts Exhibit

Ex.1001 - U.S. Patent 7420952 Exhibit

Ex.1003 - Expert Declaration of Christopher Hansen, PhD - '952 Exhibit

Ex.1005 - US6584080 (Ganz) Exhibit

Ex.1016 - US5673031 (Meier) Exhibit

Ex.1010 - IEEE 80211-1999 Website Exhibit

Ex.1019 - 930 Provisional Application Exhibit

Ex.1002 - 952 File History Exhibit

Ex.1017 - US20020136170A1 (Struhsaker) Exhibit

Ex.1015 - 802-11s_mesh_networking_v1-0 (CWNP) Exhibit

Ex.1008 - US7568107 Exhibit

IPR Petition - DynamicMesh'952 PETITION

Ex.1007 - IEEE Std 802.11 (1999) Exhibit

Petitioner's Power of Attorney - Cisco-Power Mesh '952 NOTICE

Ex.1011 - US20020124036 Exhibit

Ex.1009 - copyright record - 802.11-1999 Exhibit