Cisco Systems, Inc. vs. Dynamic Mesh Networks, Inc. d/b/a MeshDynamics

Explore the PTAB proceeding IPR2025-01569 filed by Cisco Systems, Inc. on 2025-09-23. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-01569

Filing Date

2025-09-23

Accorded Filing Date

2025-09-23

Institution Decision Date

2026-01-27

Last Modified Date

2026-02-27

Proceeding Type

IPR

Termination Date

2026-01-27

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Cisco Systems, Inc.

Represented By

Foster, Theodoreet al

Patent Owner / Respondent

Dynamic Mesh Networks, Inc. d/b/a MeshDynamics

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 11818899

Respondent Patent Number 7894385

External Links

Espacenet

Google Patents

Respondent Inventor Francis daCosta 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

2026-01-27 FILING PARTY: BOARD

Download

1048

Ex.1048 - US District Court - Judicial Caseload Profiles (Sept. 2025) Exhibit

2026-01-16 FILING PARTY: PETITIONER

Download

Petitioner's Authorized Supplemental Brief OTHER

2026-01-16 FILING PARTY: PETITIONER

Download

Cisco Systems, Inc. vs. Dynamic Mesh Networks, Inc. d/b/a MeshDynamics

Proceeding Overview

Parties & Counsel

Petitioner

Cisco Systems, Inc.

Represented By

Patent Owner / Respondent

Dynamic Mesh Networks, Inc. d/b/a MeshDynamics

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.1048 - US District Court - Judicial Caseload Profiles (Sept. 2025) Exhibit

Petitioner's Authorized Supplemental Brief OTHER

Patent Owner's Supplemental Brief OTHER

Exhibit 2022 Exhibit

Email Correspondence Exhibit

Ex.1044 - US8514852 Exhibit

Ex.1042 - InfoWorld Issue 47 Exhibit

Patent Owner's Preliminary Response POPR

Ex.1040 - 952 File History Exhibit

Ex.1038 - FCMS N.D. Cal. Case Management Stats Exhibit

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

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

Ex.1039 - FCMS E.D. Tex. Case Management Stats Exhibit

Ex.1043 - Disclaimer of 537 Exhibit

Ex.1037 - Sotera Stipulation Exhibit

Ex.1046 - US8477762 Exhibit

Ex.1047 - US8520691 Exhibit

Ex.1045 - US7420952 Exhibit

Exhibit 2016 Exhibit

Patent Owner's Authorized Supplemental Briefing OTHER

Email Correspondence Exhibit

Exhibit 2011 Exhibit

Exhibit 2004 Exhibit

Exhibit 2012 Exhibit

Exhibit 2006 Exhibit

Exhibit 2002 Exhibit

Patent Owner's Discretionary Denial Brief RESPONSE

Exhibit 2003 Exhibit

Exhibit 2014 Exhibit

Exhibit 2009 Exhibit

Exhibit 2007 Exhibit

Exhibit 2005 Exhibit

Exhibit 2008 Exhibit

Exhibit 2013 Exhibit

Exhibit 2015 Exhibit

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

Notice filing date accorded to Petition NOTICE

Ex.1009 - US20030224750A1_Sampath Exhibit

Ex.1031 - US20060009244A1 Exhibit

Ex.1018 - Newton's Telecom Dictionary - Token definition Exhibit

Ex.1001 - US7894385 Exhibit

Ex.1033 - US5081623 Exhibit

Ex.1020 - US6912215 Exhibit

Ex.1007 - US20060198346 (Liu) Exhibit

Ex.1030 - US7058027 Exhibit

Ex.1011 - IEEE Std 802.11 (1999) Exhibit

Ex.1002 - Prosecution History of U.S. 7,894,385 Exhibit

Ex.1032 - US20040218562A1 Exhibit

Ex.1010 - US20090049199A1_Kuik Exhibit

Ex.1005 - US20060215583 (Castagnoli) Exhibit

Petitioner's Power of Attorney NOTICE

Ex.1022 - US7630332 Exhibit

Ex.1006 - US5982780_Bohm Exhibit

Ex.1025 - US20060117174 Exhibit

IPR Petition - DynamicMesh'385 PETITION

Ex.1024 - US20060003764 Exhibit

Ex.1019 - US5027431 Exhibit

Ex.1028 - US20060114851 Exhibit

Ex.1023 - US20040100929 Exhibit

Ex.1008 - US20020136170A1_Struhsaker Exhibit

Ex.1016 - Tanenbaum - Modern Operating Systems Exhibit