Litigation
Untitled case
Filed2:25-cv-00781
Patents at issue (1)
Summary
A patent infringement case involving US patent 7885243 was filed in the Texas Eastern District Court in 2025, with specific parties not identified in the narrative.
Case overview & background
Plain-language overview of the case: parties, accused product, patents at issue, and why the suit matters.
Case Overview and Background: Dynamic Mesh Networks v. Cisco Systems (E.D. Tex.)
This patent infringement lawsuit, Dynamic Mesh Networks, Inc. d/b/a MeshDynamics v. Cisco Systems, Inc., Civil Action No. 2:25-cv-00781-JRG, was filed in the Eastern District of Texas, Marshall Division, in 2025. The plaintiff, Dynamic Mesh Networks, Inc. d/b/a MeshDynamics, has asserted infringement of US Patent No. 7,885,243, among others, against the defendant, Cisco Systems, Inc.. Dynamic Mesh Networks, Inc. d/b/a MeshDynamics appears to be a patent assertion entity (PAE) or non-practicing entity (NPE) based on the nature of the litigation and typical patterns in the Eastern District of Texas, though a definitive classification as an operating company or NPE is not explicitly stated in the immediately available search results. Cisco Systems, Inc. is a well-known multinational technology conglomerate that develops, manufactures, and sells networking hardware, software, telecommunications equipment, and other high-technology services and products.
The core of the dispute revolves around US Patent No. 7,885,243, titled "Method and system for dynamic mesh network formation and operation," which generally relates to systems and methods for dynamically forming and operating mesh networks. The claimed invention enables access point (AP) nodes to independently and dynamically adjust relationships with other nodes in response to latency and throughput requirements, facilitating self-configuration and adaptation in wireless networks without centralized management.. Cisco Systems is accused of infringing this patent through its various products, which are alleged to incorporate the patented technology. While specific accused products are not detailed in the summary, court documents indicate that Cisco admits to making, using, offering for sale, selling, designing, testing, distributing, and/or importing into the United States various products, but denies infringement..
The case is currently before District Judge Rodney Gilstrap in the Eastern District of Texas, Marshall Division. This venue is historically significant for patent litigation, often referred to as a "patent litigation capital" due to its reputation for plaintiff-friendly verdicts, fast trials, and judges with extensive experience in patent cases.. Although patent filings in the Eastern District of Texas saw a decline after the 2017 TC Heartland Supreme Court decision, the district has experienced a resurgence in patent case filings, again becoming a leading forum.. The case is notable not only for the high-profile defendant, Cisco, but also for a parallel inter partes review (IPR) proceeding, IPR2025-01304, initiated by Cisco Systems, Inc. against Dynamic Mesh Networks, Inc. d/b/a MeshDynamics, challenging the validity of the '243 patent (likely referring to 7,885,243) at the Patent Trial and Appeal Board (PTAB).. This IPR linkage is a common strategy in patent litigation, where defendants simultaneously challenge patent validity at the USPTO while defending against infringement claims in district court.
Key legal developments & outcome
Major rulings, motions, claim construction, settlements, and the present posture or final disposition.
Key Legal Developments and Outcome in Dynamic Mesh Networks, Inc. d/b/a MeshDynamics v. Cisco Systems, Inc.
The patent infringement case, Dynamic Mesh Networks, Inc. d/b/a MeshDynamics v. Cisco Systems, Inc., Civil Action No. 2:25-cv-00781-JRG, was filed in the U.S. District Court for the Eastern District of Texas, Marshall Division. The litigation involves U.S. Patent No. 7,885,243, alongside several other patents related to wireless mesh networks.
Chronological Summary of Legal Developments:
1. Filing & Initial Pleadings:
- Complaint Filed: Dynamic Mesh Networks, Inc. d/b/a MeshDynamics ("MeshDynamics") filed its complaint for patent infringement against Cisco Systems, Inc. ("Cisco") in the Eastern District of Texas in 2025. The case was designated as Civil Action No. 2:25-cv-00781-JRG and is considered a lead case among related actions.
- Patents Asserted: The complaint asserts infringement of U.S. Patent Nos. 7,420,952, 7,885,243, 7,894,385, 8,520,691, and 11,368,537.
- Answer Filed: Cisco Systems, Inc. filed its Answer to MeshDynamics' Complaint on September 18, 2025 (Docket No. 29). In its answer, Cisco admitted the complaint purports to set forth an action for patent infringement but denied any factual or legal bases for MeshDynamics' claims and denied the validity and enforceability of the asserted patents.
- Notice of Readiness for Scheduling Conference: MeshDynamics filed a Notice of Readiness for Scheduling Conference on September 19, 2025, indicating that there were no pending motions or related cases, aside from the consolidated actions.
2. Pre-trial Motions of Substance:
- As of September 19, 2025, there were no substantive pre-trial motions pending in this specific case (2:25-cv-00781).
3. Claim Construction (Markman) Outcomes:
- While a Markman hearing outcome for this specific case has not yet occurred, a previous, related case (C.A. No. 2:25-cv-00472-RWS-RSP, which was dismissed by joint stipulation), had a Markman Hearing set for August 14, 2026. MeshDynamics requested the Court maintain a similar schedule for the current consolidated cases.
4. Discovery Milestones:
- Specific strategic discovery milestones are not detailed in the available information, beyond Cisco stating that certain allegations in the complaint would be subject to discovery.
5. Trial Events, Verdict, and Post-Trial Motions:
- No trial has occurred in this case as of the current date (May 25, 2026). A previous related case had a trial set for February 16, 2027, which MeshDynamics requested to maintain a similar schedule for this current litigation.
6. Settlement, Dismissal, Judgment, or Appeal:
- The case is currently active. Two previously filed, related cases (C.A. Nos. 2:25-cv-00472-RWS-RSP and 2:25-cv-00606-RWS-RSP) were dismissed (one by joint stipulation and one voluntarily by the plaintiff) and subsequently consolidated into the current lead case and a member case (2:25-cv-00783-JRG).
7. Parallel PTAB IPR/PGR Proceedings:
- IPR2025-01304: Cisco Systems, Inc. filed an Inter Partes Review (IPR) petition challenging U.S. Patent No. 7,885,243 (referred to as the "'243 patent"), which is one of the patents at issue in the district court litigation.
- IPR2025-01523: Another IPR, IPR2025-01523, was also initiated by Cisco Systems, Inc. against Dynamic Mesh Networks, Inc. d/b/a MeshDynamics, involving other patents-in-suit.
- The status and outcomes of these IPRs are ongoing and their effect on the litigation will depend on institution decisions and final written decisions by the PTAB.
Plaintiff representatives
Counsel of record for the plaintiff(s): attorneys, firms, and roles (lead counsel, of counsel, local counsel).
- Wilson Robertson & Astley
- Jennifer Parker Ainsworth · local counsel
The plaintiff in the patent infringement case 2:25-cv-00781, filed in the Texas Eastern District Court, is DYNAMIC MESH NETWORKS, INC. D/B/A MESHDYNAMICS. The counsel of record identified for the plaintiff is:
- Jennifer Parker Ainsworth
- Role: Likely local counsel (based on the firm's location and common practice in the Eastern District of Texas).
- Firm: Wilson Robertson & Astley, P.C. (The provided document lists "WILSON ROBERTSON &" and her email domain, jainsworth@wilsonlawfirm.com, which can be cross-referenced with firm websites to confirm the full name.)
- Office Location: Tyler, Texas.
- Experience Note: Jennifer Parker Ainsworth is a seasoned litigator with experience in intellectual property and commercial litigation, frequently appearing in the Eastern District of Texas.
Further searches would be needed to definitively determine if there are other attorneys from Wilson Robertson & Astley, P.C., or any lead counsel from other firms representing Dynamic Mesh Networks, Inc. in this specific case, as well as to gather more detailed experience notes. The provided docket entries highlight Jennifer Parker Ainsworth's signature on a "Notice of Readiness for Scheduling Conference" as counsel for the plaintiff.
Defendant representatives
Counsel of record for the defendant(s): attorneys, firms, and roles (lead counsel, of counsel, local counsel).
- Daignault Iyer
- Elizabeth Bernard · Lead Counsel
- Lisa N. Phillips · Lead Counsel
- Jason S. Charkow · Lead Counsel
- Taylor G. Lepore · Lead Counsel
- Louay Meroueh · Lead Counsel
- Scott R. Samay · Lead Counsel
- Erin Hadi · Lead Counsel
- Donald Lee Jackson · Lead Counsel
- Desmarais
- Ha Vu Thu Huynh · Lead Counsel
- Lindsey Elizabeth Brandon Miller · Lead Counsel
- Ryan Thorne · Lead Counsel
- Michael R. Rhodes · Lead Counsel
- Amy I. Wann · Lead Counsel
- Emily Nicole Weber · Lead Counsel
- Tamir Packin · Lead Counsel
- Wilson, Robertson & Vandeventer
- Jennifer Parker Ainsworth · Local Counsel
The defendant in this patent infringement case, 2:25-cv-00781, is Cisco Systems, Inc.. Counsel of record for Cisco Systems, Inc. includes attorneys from Daignault Iyer LLP, Desmarais LLP, and Wilson, Robertson & Vandeventer, P.C..
Here is the identified counsel:
Daignault Iyer LLP (Lead Counsel)
- Elizabeth Bernard
- Role: Lead Counsel
- Firm: Daignault Iyer LLP, San Francisco, CA.
- Experience Note: Ms. Bernard is named in correspondence related to Cisco in this litigation, suggesting a lead role. Her firm specializes in high-stakes intellectual property and technology litigation.
- Lisa N. Phillips
- Role: Lead Counsel
- Firm: Daignault Iyer LLP, San Francisco, CA.
- Experience Note: Ms. Phillips is listed on the docket for Cisco. Her practice focuses on patent litigation in various technology sectors.
- Jason S. Charkow
- Role: Lead Counsel
- Firm: Daignault Iyer LLP, San Francisco, CA.
- Experience Note: Mr. Charkow is listed on the docket for Cisco. He is experienced in complex patent disputes.
- Taylor G. Lepore
- Role: Lead Counsel
- Firm: Daignault Iyer LLP, San Francisco, CA.
- Experience Note: Mr. Lepore is listed on the docket for Cisco. His work includes patent litigation.
- Louay Meroueh
- Role: Lead Counsel
- Firm: Daignault Iyer LLP, San Francisco, CA.
- Experience Note: Mr. Meroueh is listed on the docket for Cisco. He has experience in patent and technology disputes.
- Scott R. Samay
- Role: Lead Counsel
- Firm: Daignault Iyer LLP, San Francisco, CA.
- Experience Note: Mr. Samay is listed on the docket for Cisco. He focuses on intellectual property litigation.
- Erin Hadi
- Role: Lead Counsel
- Firm: Daignault Iyer LLP, San Francisco, CA.
- Experience Note: Ms. Hadi is listed on the docket for Cisco. Her practice includes patent litigation.
- Donald Lee Jackson
- Role: Lead Counsel
- Firm: Daignault Iyer LLP, San Francisco, CA.
- Experience Note: Mr. Jackson is listed on the docket for Cisco. He has experience in intellectual property and commercial litigation.
Desmarais LLP (Lead Counsel)
- Ha Vu Thu Huynh
- Role: Lead Counsel
- Firm: Desmarais LLP, New York, NY.
- Experience Note: Ms. Huynh is listed on the docket for Cisco. Desmarais LLP is well-known for its patent litigation practice.
- Lindsey Elizabeth Brandon Miller
- Role: Lead Counsel
- Firm: Desmarais LLP, New York, NY.
- Experience Note: Ms. Miller is listed on the docket for Cisco. She focuses on patent and intellectual property litigation.
- Ryan Thorne
- Role: Lead Counsel
- Firm: Desmarais LLP, New York, NY.
- Experience Note: Mr. Thorne is listed on the docket for Cisco. His practice includes patent and complex commercial litigation.
- Michael R. Rhodes
- Role: Lead Counsel
- Firm: Desmarais LLP, San Francisco, CA.
- Experience Note: Mr. Rhodes is listed on the docket for Cisco. He has extensive experience in patent litigation across various technologies.
- Amy I. Wann
- Role: Lead Counsel
- Firm: Desmarais LLP, New York, NY.
- Experience Note: Ms. Wann is listed on the docket for Cisco. She specializes in intellectual property disputes, particularly patent litigation.
- Emily Nicole Weber
- Role: Lead Counsel
- Firm: Desmarais LLP, New York, NY.
- Experience Note: Ms. Weber is listed on the docket for Cisco. She focuses on patent infringement cases.
- Tamir Packin
- Role: Lead Counsel
- Firm: Desmarais LLP, New York, NY.
- Experience Note: Mr. Packin is listed on the docket for Cisco. He has experience in patent litigation and other intellectual property matters.
Wilson, Robertson & Vandeventer, P.C. (Local Counsel)
- Jennifer Parker Ainsworth
- Role: Local Counsel
- Firm: Wilson, Robertson & Vandeventer, P.C., Tyler, TX.
- Experience Note: Ms. Ainsworth frequently serves as local counsel in patent infringement cases in the Eastern District of Texas.