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

Explore the PTAB proceeding IPR2026-00008 filed by Cisco Systems, Inc. on 2025-10-10. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00008

Filing Date

2025-10-10

Accorded Filing Date

2025-10-10

Institution Decision Date

2026-02-03

Last Modified Date

2026-03-06

Proceeding Type

IPR

Termination Date

2026-02-03

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 2400 - Computer Networks, Multiplex & Cybersecurity

Patent Information

1 Patent Involved

Respondent Application Number 12696947

Respondent Patent Number 8520691

External Links

Espacenet

Google Patents

Respondent Inventor Francis daCosta et al

Respondent Tech Center TC 2400 - Computer Networks, Multiplex & Cybersecurity

Address and Attorney/Agent Information

10 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name DAIGNAULT IYER LLP

Customer Number —

Address 8229 Boone Boulevard, SUITE 450, VIENNA, VA, 22182, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
46418	Jason Charkow	646-664-4302
48434	Ramachandran Iyer	646-292-8778
51465	Elizabeth Bernard	202-557-8950
61445	Steven Reynolds	312-368-4000
69539	Oded Burger	917-698-2508
71478	Richard Juang	614-208-5321
72930	Stephanie Mandir	202-270-5666
79466	Kevin Sprenger	703-712-1145
79904	Erin Hadi	703-973-2561
81304	Louay Meroueh	313-909-0799

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

2026-02-03 FILING PARTY: BOARD

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Petitioner's Updated Mandatory Notices NOTICE

2026-01-27 FILING PARTY: PETITIONER

Download

Patent Owner's Updated Mandatory Notice NOTICE

2026-01-27 FILING PARTY: PATENT OWNER

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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

Petitioner's Updated Mandatory Notices NOTICE

Patent Owner's Updated Mandatory Notice NOTICE

Ex.1039 - FCMS E.D. Tex. Exhibit

Ex.1042 - InfoWorld Issue 47 Exhibit

Ex.1045 - US7420952 Exhibit

Ex.1046 - US8477762 Exhibit

Ex.1038 - New E.D. Tex. Complaint Exhibit

Ex.1047 - US7894385 Exhibit

Ex.1043 - Disclaimer of 537 Exhibit

Ex.1041 - USPTO Transaction History For US App. No. 10434948 Exhibit

Patent Owner's Preliminary Response POPR

Ex.1040 - 952 File History Exhibit

Ex.1044 - US8514852 Exhibit

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

Ex.1048 - Cisco 5500 Series Wireless Controllers Exhibit

Ex.1037 - 691 Transaction History Exhibit

Exhibit 2022 Exhibit

Patent Owner's Supplemental Brief OTHER

Email Correspondence Exhibit

Exhibit 2012 Exhibit

Exhibit 2015 Exhibit

Exhibit 2004 Exhibit

Exhibit 2007 Exhibit

Exhibit 2016 Exhibit

Exhibit 2011 Exhibit

Exhibit 2008 Exhibit

Exhibit 2002 Exhibit

Exhibit 2014 Exhibit

Exhibit 2003 Exhibit

Exhibit 2013 Exhibit

Exhibit 2009 Exhibit

Exhibit 2005 Exhibit

Exhibit 2006 Exhibit

Patent Owner's Discretionary Denial Brief RESPONSE

Exhibit 2019 Exhibit

Exhibit 2017 Exhibit

Exhibit 2020 Exhibit

Exhibit 2018 Exhibit

Exhibit 2021 Exhibit

Petitioner's Updated Exhibit List NOTICE

Ex.1021 - Sotera Stipulation Letter from T. Packin to E. Bernard (Oct. 15, 2025) Exhibit

Notice: Notice filing date accorded NOTICE

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Ex.1006 - US20070140239A1 (Bauer) Exhibit

Ex.1010 - Provisional 27197_61148803 Exhibit

Ex.1013 - '691 Patent Infringement Contentions Exhibit

Ex.1001 - US8520691 Exhibit

Ex.1016 - US20060047835A1 Exhibit

IPR Petition - DynamicMesh'691 PETITION

Ex.1012 - Dynamic Mesh Networks Inc v Cisco - Complaint Exhibit

Ex.1008 - US7852819 (Gil) Exhibit

Ex.1017 - US20050253722A1 Exhibit

Ex.1018 - US20030033393A1 Exhibit

Ex.1019 - US20080013474A1 Exhibit

Ex.1020 - US20070271372A1 Exhibit

Ex.1004 - CV of Christopher Hansen Exhibit

Ex.1007 - US20090213730A1 (Zeng) Exhibit

Ex.1011 - IEEE Std 802.11 (1999) Exhibit

Ex.1003 - Declaration of Christopher Hansen - '691 Exhibit

Ex.1005 - US20060215581A1 (Castagnoli) Exhibit

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