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Stingray IP Solutions v. TP-Link Technologies — Consent Judgment | PatSnap
Patent Litigation

Stingray IP Solutions v. TP-Link: Consent Judgment After 759 Days

Stingray IP Solutions, LLC filed suit against TP-Link Technologies and its affiliates in the Eastern District of Texas, asserting three patents covering mobile ad hoc network routing and wireless communication slot allocation. The case concluded via consent judgment after 759 days of litigation, with each party bearing its own costs.

Resolution time
759days
759 days — over two years of active litigation before resolution
Patents asserted
3
US6961310B2, US6958986B2, and US7027426B2 — mobile ad hoc network routing and wireless communication patents
Outcome
Consent Judgment
Agreed by the parties, entered by the court — binding and final resolution of all claims
Cost ruling
Own Costs
Each party directed to bear its own costs, expenses, and attorneys' fees
Published by PatSnap Insights Team · Verified by PatSnap Eureka Data
Case overview

MANET Patent Dispute Reaches Agreed Resolution in E.D. Texas

Stingray IP Solutions, LLC filed Case No. 2:21-cv-00045 on February 8, 2021, in the Eastern District of Texas before Judge Rodney Gilstrap, asserting infringement of three patents — US6961310B2, US6958986B2, and US7027426B2 — covering multi-channel mobile ad hoc network (MANET) architectures, reactive routing protocols, and wireless communication systems with enhanced time slot allocation and interference mitigation features. Defendants named were TP-Link Technologies Co., Ltd., TP-Link Corporation Limited, and TP-Link International Ltd.

The recorded basis of termination is Consent Judgment. The docket order states that the parties filed a Joint Stipulated Motion for Dismissal with Prejudice, requesting dismissal of all claims with prejudice, with each party to bear its own costs, expenses, and attorneys' fees. The court granted the motion and closed the case on March 9, 2023. The specific terms underlying the agreed resolution are not disclosed in the available record.

The case ran for 759 days — more than two years — before reaching its consensual conclusion, suggesting the parties engaged in substantive litigation activity before agreeing to resolve the matter. What drove the timing of resolution and whether any commercial arrangement accompanies the judgment are not disclosed in the available record.

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Case at a glance
CourtTexas Eastern District Court
JudgeRodney Gilstrap
FiledFebruary 8, 2021
ClosedMarch 9, 2023
Duration759 days
OutcomeConsent Judgment
Verdict causeInfringement Action
BasisConsent Judgment
Prior Art Intelligence
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Case timeline

Filing to Consent Judgment in 759 days

759 days — over two years of active litigation before resolution

Case timeline: Complaint filed FEB 8 2021 — 759 days total Horizontal timeline showing the three key events in Stingray IP Solutions, LLC v TP-Link Technologies, Co. from filing to resolution. Source: PACER, Texas Eastern District Court. FEB 8 2021 Complaint filed Pre-trial proceedings MAR 9 2023 Consent Judgment 759 DAYS TOTAL
Patent at issue

US6961310B2, US6958986B2 & US7027426B2 — MANET Routing & Wireless Communication

Publication No.US6961310B2
Application No.US10/214997
Patent details
ProductMulti-channel mobile ad hoc network architecture and protocols
Cited in actionFebruary 8, 2021

Publication No.US6958986B2
Application No.US10/401004
Patent details
ProductMultiple path reactive routing in mobile ad hoc networks
Cited in actionFebruary 8, 2021

Publication No.US7027426B2
Application No.US10/212594
Patent details
ProductWireless communication system with enhanced time slot allocation and interference avoidance
Cited in actionFebruary 8, 2021
Technical brief · sourced from PatSnap patent database
US6961310B2Primary patent
Patent figurePatent figure
Technology summary
The method for routing message data in mobile ad hoc networks addresses the challenges of topology changes and resource limitations by discovering and ranking multiple routes based on link metrics, ensuring reliable and timely data delivery across mobile ad hoc networks.
Representative claim (1 of 3 independent)
1. A method for routing message data from a source node to a destination node in a mobile ad hoc network comprising a plurality of intermediate mobile nodes between the source node and the destination node, and a plurality of wireless communication links connecting the nodes together, the method comprising: at the source node, transmitting a route request to discover routing to the destination node; at each intermediate node, determining whether the intermediate node can support the route request and, if so, forwarding the route request to one of other intermediate nodes and the destination node, and temporarily…
Technical background
FIELD OF THE INVENTION The present invention relates to the field of communication networks, and, more particularly, to mobile ad hoc wireless networks and related methods. BACKGROUND OF THE INVENTION A rapidly developing area of wireless networks is mobile ad hoc networks. Physically, a mobile ad hoc network includes a number of geographically-distributed, potentially mobile nodes wirelessly connected by one or more radio frequency channels. Compared with other type of networks, such as cellular networks or satell…
Patent family
17 family members across 10 jurisdictions (JP, IT, US, EP, DE, CA, AU, TW, CN, WO)
PatSnap Eureka · FTO Search Agent
Should you run an FTO against US6961310B2, US6958986B2 & US7027426B2?

Any company developing or distributing multi-channel wireless networking equipment, mesh Wi-Fi systems, MANET-capable devices, or wireless communication products with dynamic channel or time-slot allocation features should treat this patent family as a priority FTO target. The E.D. Texas consent judgment confirms these patents have enforcement credibility. Product teams launching mesh routers, wireless access points, or IoT networking hardware in the US market face non-trivial risk if these claims have not been mapped against product architectures.

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Official verdict

Official order — verbatim text

Before the Court is the Joint Stipulated Motion for Dismissal with Prejudice (the “Motion”) filed by Plaintiff Stingray IP Solutions, LLC (“Plaintiff”) and Defendants TP-Link Technologies Co., Ltd., TP-Link Corporation Limited, and TP-Link International Ltd. (collectively, “Defendants”). (Dkt. No. 98.) In the Motion, the parties request an order dismissing all claims in the above-captioned case between Plaintiff and Defendants with prejudice. (Id. at 1.) Having considered the Motion, and noting its joint nature, the Court finds that it should be and hereby is GRANTED. Accordingly, all claims between Plaintiff and Defendants in the above-captioned case are DISMISSED WITH PREJUDICE. Each party is to bear its own costs, expenses, and attorneys’ fees. All pending requests for relief in the above-captioned case not explicitly granted herein are DENIED AS MOOT. The Clerk of Court is directed to CLOSE the above-captioned case as no parties or claims remain
Source: PACER Docket, Case 2:21-cv-00045, Texas Eastern District Court

The court's order grants the joint stipulated motion and dismisses all claims between Stingray IP Solutions and all three TP-Link entities with prejudice, with each party bearing its own costs. The with-prejudice designation bars any re-filing of these specific claims. The recorded basis of termination is Consent Judgment; the docket order is styled as a joint stipulated dismissal with prejudice. The specific terms underlying the parties' agreement are not disclosed in the available record.

PACER case 2:21-cv-00045 · Public docket record Explore in Eureka ↗
Judgment terms

Consent judgment: what the agreed resolution means for both parties

Legal mechanism

What a consent judgment means in patent litigation

A consent judgment is a binding, court-entered judgment reflecting terms agreed by the parties. Unlike a unilateral dismissal, it carries the full legal weight of a judicial ruling and is enforceable as such. Here, the court granted the joint stipulated motion and formally closed the case. The specific terms of the agreement underlying the consent judgment are not disclosed in the available record.

Court-entered, party-agreed, binding
Patent holder outcome

Stingray IP Solutions exits with a court-entered judgment

As plaintiff, Stingray IP Solutions secured a consent judgment — a court-entered resolution that formally closes the dispute. The three asserted MANET patents (US6961310B2, US6958986B2, US7027426B2) remain part of Stingray's portfolio. Whether the resolution involved any licensing arrangement or other commercial terms is not disclosed in the available record.

Patents remain in portfolio
Defendant outcome

TP-Link entities resolve all claims with prejudice

All three TP-Link entities — TP-Link Technologies Co., Ltd., TP-Link Corporation Limited, and TP-Link International Ltd. — are released from all claims asserted in this case with prejudice, meaning Stingray cannot re-file these same claims in a new action. Each party bears its own litigation costs. The commercial terms, if any, accompanying the consent judgment are not disclosed in the available public record.

Dismissed with prejudice — no re-filing
Commercial implications

MANET patent enforcement signals continued assertion risk

This case is consistent with an active enforcement posture around MANET routing and wireless time-slot allocation patents in E.D. Texas. Networking equipment manufacturers operating in the MANET, mesh networking, or wireless LAN space should assess their exposure to similarly structured patent portfolios. The consent judgment resolves this specific dispute but does not affect Stingray's ability to assert these patents against other parties.

Enforcement risk remains for sector
Legal analysis based on PACER docket records for case 2:21-cv-00045 and PatSnap Eureka litigation intelligence Search PatSnap Eureka ↗
Parties and representation

Full party and counsel information

RoleNameTypeDetail
PlaintiffStingray IP Solutions, LLCCompanyPatent assertion entity — holder of US6961310B2, US6958986B2, and US7027426B2Search in Eureka ↗
DefendantTP-Link Technologies, Co.CompanyTP-Link Technologies and affiliates — global manufacturer and distributor of networking equipmentSearch in Eureka ↗
Co-DefendantTP-Link Corporation LimitedCompanySearch in Eureka ↗
Co-DefendantTP-Link International, Ltd.CompanySearch in Eureka ↗
Plaintiff counselHunter Scott PalmerAttorneyCounsel for Stingray IP Solutions, LLCSearch in Eureka ↗
Plaintiff counselJack Wesley HillAttorneyCounsel for Stingray IP Solutions, LLCSearch in Eureka ↗
Plaintiff counselJeffrey Ray BragaloneAttorneyCounsel for Stingray IP Solutions, LLCSearch in Eureka ↗
Plaintiff counselMarcus BenavidesAttorneyCounsel for Stingray IP Solutions, LLCSearch in Eureka ↗
Plaintiff counselPaul Campbell StevensonAttorneyCounsel for Stingray IP Solutions, LLCSearch in Eureka ↗
Plaintiff counselPaul Jess AbelkopAttorneyCounsel for Stingray IP Solutions, LLCSearch in Eureka ↗
Plaintiff counselTerry Afif SaadAttorneyCounsel for Stingray IP Solutions, LLCSearch in Eureka ↗
Plaintiff law firmBragalone Conroy PCLaw FirmRepresenting Stingray IP Solutions, LLCSearch in Eureka ↗
Plaintiff law firmBragalone Olejko Saad PCLaw FirmRepresenting Stingray IP Solutions, LLCSearch in Eureka ↗
Plaintiff law firmWard, Smith & Hill, PLLCLaw FirmRepresenting Stingray IP Solutions, LLCSearch in Eureka ↗
Defendant counselAndrew Nathan SaulAttorneyCounsel for TP-Link Technologies, Co.Search in Eureka ↗
Defendant counselEdward John MayleAttorneyCounsel for TP-Link Technologies, Co.Search in Eureka ↗
Defendant counselKevin M. BellAttorneyCounsel for TP-Link Technologies, Co.Search in Eureka ↗
Defendant counselKristopher L. ReedAttorneyCounsel for TP-Link Technologies, Co.Search in Eureka ↗
Defendant counselMelissa Richards SmithAttorneyCounsel for TP-Link Technologies, Co.Search in Eureka ↗
Defendant counselSteven David MooreAttorneyCounsel for TP-Link Technologies, Co.Search in Eureka ↗
Defendant law firmGillam & Smith, LLPLaw FirmRepresenting TP-Link Technologies, Co.Search in Eureka ↗
Defendant law firmKilpatrick Townsend & Stockton LLPLaw FirmRepresenting TP-Link Technologies, Co.Search in Eureka ↗
Defendant law firmKilpatrick Townsend & Stockton LLP (Atlanta)Law FirmRepresenting TP-Link Technologies, Co.Search in Eureka ↗
Defendant law firmKilpatrick Townsend & Stockton LLP (Denver)Law FirmRepresenting TP-Link Technologies, Co.Search in Eureka ↗
Presiding judgeJudge Rodney GilstrapJudgeTexas Eastern District CourtSearch in Eureka ↗
R&D signals

R&D signals in the MANET and mesh wireless networking space

Forward-looking patent and R&D intelligence derived from Stingray IP Solutions' MANET portfolio and TP-Link's position in the wireless networking sector.

Patent portfolio

Stingray's MANET portfolio: breadth beyond three asserted patents

Stingray IP Solutions asserted three MANET-adjacent patents in this action, but patent assertion entities typically hold broader portfolios in the same technical domain. Mapping Stingray's full filing activity in MANET routing, mesh networking, and wireless communication protocols may reveal additional claims relevant to wireless hardware and software vendors.

Portfolio mapping signal
Technology landscape

Filing trends in multi-channel MANET and mesh Wi-Fi patents

The MANET routing concepts in US6961310B2 and US6958986B2 have evolved into modern mesh Wi-Fi, Wi-Fi 6/6E, and 5G-NR coexistence protocols. Tracking recent patent filings in multi-channel MANET, reactive routing, and time-slot interference mitigation can reveal where competitors are building defensive IP positions and where white space remains for R&D investment.

Mesh Wi-Fi filing trends
Competitor IP posture

TP-Link's defensive patent position in wireless networking

As a global networking OEM, TP-Link's own patent filing activity in wireless routing, mesh systems, and interference management signals where the company is building defensive IP. Understanding TP-Link's portfolio depth in these areas can inform competitive benchmarking for other networking hardware vendors and identify potential cross-licensing dynamics in the MANET space.

OEM defensive IP benchmarking
White space opportunity

Interference avoidance and dynamic slot allocation: adjacent R&D white space

US7027426B2's claims on enhanced time slot allocation and interference avoidance sit adjacent to emerging spectrum coexistence challenges in Wi-Fi 6E, 5G-NR, and CBRS deployments. Patent white space analysis in dynamic spectrum access, cognitive radio scheduling, and interference-aware MAC protocols may reveal filing opportunities or design-around vectors for R&D teams in this domain.

Spectrum coexistence white space
Related litigation

Similar MANET and wireless networking patent cases in E.D. Texas

Browse patent infringement cases involving mobile ad hoc network routing, mesh wireless, and time-slot allocation patents litigated in the Eastern District of Texas.

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Stingray IP Solutions, LLC patent enforcement history, Texas Eastern District Court case history, Stingray IP Solutions, LLC's full IP portfolio, and comparable case analysis
MANET patent casesStingray prior actionsGilstrap wireless docketTP-Link IP disputes
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Strategic implications

What this case signals for the MANET and wireless networking IP landscape

Three MANET patents, a global networking OEM, and E.D. Texas — this case carries clear signals for wireless IP strategy.

E.D. Texas remains a high-stakes venue for wireless networking IP

Judge Gilstrap's docket continues to attract assertion of foundational wireless and networking patents. Companies distributing networking equipment in the US — particularly those with multi-entity corporate structures — should expect to be named in all relevant affiliates and plan litigation budgets accordingly.

MANET routing patents retain enforcement leverage after two-plus years

The 759-day duration before resolution suggests these MANET patents survived early-stage challenge and required substantive litigation. Patent teams at networking hardware and mesh-network software companies should conduct FTO analysis against the Stingray portfolio — US6961310B2, US6958986B2, and US7027426B2 — before product launch or market expansion.

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Full strategic analysis in PatSnap Eureka
Unlock deeper strategic analysis on MANET patent enforcement trends and TP-Link's IP posture in the Eastern District of Texas.
TP-Link entity exposure mapStingray portfolio breadthMANET claim mapping
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Frequently asked questions

Stingray v TP-Link — key questions answered

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Monitor MANET and wireless networking patent enforcement risk

Set up portfolio alerts for the Stingray MANET patent family and track new assertions in mesh Wi-Fi and ad hoc routing. PatSnap Eureka's FTO Search Agent maps claim exposure across your wireless product line.

Disclaimer

This page is compiled from public court dockets and third-party patent and litigation data via PatSnap Eureka, and is provided for general informational purposes only. The information shown — including party names, patent and application numbers, dates, case status, outcomes, and any analysis — may be incomplete, may not reflect the most recent filings or legal status, and may contain errors or omissions. Verify all details against official court records (for example, PACER) and the relevant patent office before relying on them.

Nothing on this page constitutes legal advice or a legal opinion on the validity, infringement, enforceability, or scope of any patent or case, and no attorney‑client relationship is created by its use. Any description of an outcome (such as a dismissal, settlement, or consent judgment) is a general summary, not a legal determination. All patents, trademarks, and company or law‑firm names are the property of their respective owners. PatSnap makes no warranty as to the accuracy or completeness of this content and disclaims, to the fullest extent permitted by law, all liability for reliance on it. For advice on a specific matter, consult qualified legal counsel.

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