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.
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.
See Complete Case & Patent Analysis →Filing to Consent Judgment in 759 days
759 days — over two years of active litigation before resolution
US6961310B2, US6958986B2 & US7027426B2 — MANET Routing & Wireless Communication


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.
Official order — verbatim text
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.
Consent judgment: what the agreed resolution means for both parties
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, bindingStingray 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 portfolioTP-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-filingMANET 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 sectorFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Stingray IP Solutions, LLC | Company | Patent assertion entity — holder of US6961310B2, US6958986B2, and US7027426B2Search in Eureka ↗ |
| Defendant | TP-Link Technologies, Co. | Company | TP-Link Technologies and affiliates — global manufacturer and distributor of networking equipmentSearch in Eureka ↗ |
| Co-Defendant | TP-Link Corporation Limited | Company | Search in Eureka ↗ |
| Co-Defendant | TP-Link International, Ltd. | Company | Search in Eureka ↗ |
| Plaintiff counsel | Hunter Scott Palmer | Attorney | Counsel for Stingray IP Solutions, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Jack Wesley Hill | Attorney | Counsel for Stingray IP Solutions, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Jeffrey Ray Bragalone | Attorney | Counsel for Stingray IP Solutions, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Marcus Benavides | Attorney | Counsel for Stingray IP Solutions, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Paul Campbell Stevenson | Attorney | Counsel for Stingray IP Solutions, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Paul Jess Abelkop | Attorney | Counsel for Stingray IP Solutions, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Terry Afif Saad | Attorney | Counsel for Stingray IP Solutions, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Bragalone Conroy PC | Law Firm | Representing Stingray IP Solutions, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Bragalone Olejko Saad PC | Law Firm | Representing Stingray IP Solutions, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Ward, Smith & Hill, PLLC | Law Firm | Representing Stingray IP Solutions, LLCSearch in Eureka ↗ |
| Defendant counsel | Andrew Nathan Saul | Attorney | Counsel for TP-Link Technologies, Co.Search in Eureka ↗ |
| Defendant counsel | Edward John Mayle | Attorney | Counsel for TP-Link Technologies, Co.Search in Eureka ↗ |
| Defendant counsel | Kevin M. Bell | Attorney | Counsel for TP-Link Technologies, Co.Search in Eureka ↗ |
| Defendant counsel | Kristopher L. Reed | Attorney | Counsel for TP-Link Technologies, Co.Search in Eureka ↗ |
| Defendant counsel | Melissa Richards Smith | Attorney | Counsel for TP-Link Technologies, Co.Search in Eureka ↗ |
| Defendant counsel | Steven David Moore | Attorney | Counsel for TP-Link Technologies, Co.Search in Eureka ↗ |
| Defendant law firm | Gillam & Smith, LLP | Law Firm | Representing TP-Link Technologies, Co.Search in Eureka ↗ |
| Defendant law firm | Kilpatrick Townsend & Stockton LLP | Law Firm | Representing TP-Link Technologies, Co.Search in Eureka ↗ |
| Defendant law firm | Kilpatrick Townsend & Stockton LLP (Atlanta) | Law Firm | Representing TP-Link Technologies, Co.Search in Eureka ↗ |
| Defendant law firm | Kilpatrick Townsend & Stockton LLP (Denver) | Law Firm | Representing TP-Link Technologies, Co.Search in Eureka ↗ |
| Presiding judge | Judge Rodney Gilstrap | Judge | Texas Eastern District CourtSearch in Eureka ↗ |
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.
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 signalFiling 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 trendsTP-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 benchmarkingInterference 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 spaceSimilar 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.
Related patent case — similar technology
Comparable case in the same technology domain. Patent holder and defendant reached resolution after proceedings.
SettledRelated infringement action — same court
Comparable Multi-channel mobile ad hoc network-adjacent infringement action. Patent enforcement dynamics analysed in depth.
Active · District CourtRelated invalidity challenge — appellate outcome
Combined invalidity and infringement action in the same technology space. Decided after substantive proceedings.
DecidedStingray IP Solutions, LLC's broader IP enforcement history
Stingray IP Solutions, LLC's full litigation history covering prior enforcement, licensing activity, and inter partes review proceedings.
Portfolio viewWhat 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.
Multi-entity TP-Link structure: a model for global OEM litigation exposure
Plaintiffs named three distinct TP-Link entities — the manufacturing arm, the corporate parent, and the international distributor — suggesting coordinated assertion against the full supply and distribution chain. Global networking OEMs with distributed corporate structures should map their litigation exposure across all operating entities, not just the primary manufacturer.
Time-slot allocation and interference mitigation claims: a rising enforcement target
US7027426B2's claims on wireless time slot allocation and interference avoidance sit at the intersection of Wi-Fi, LTE, and emerging mesh standards. As spectrum efficiency becomes critical to Wi-Fi 6E and 5G-NR coexistence, similar claims may attract renewed enforcement interest. R&D teams developing interference mitigation or dynamic channel allocation features should document design-around analysis early.
Stingray v TP-Link — key questions answered
The case was terminated by consent judgment on March 9, 2023, after 759 days. The court granted the parties' joint stipulated motion, dismissing all claims with prejudice. Each party was directed to bear its own costs, expenses, and attorneys' fees. The specific terms of the underlying agreement are not disclosed in the available record.
Stingray asserted three patents: US6961310B2 (multi-channel mobile ad hoc network), US6958986B2 (multiple path reactive routing in a mobile ad hoc network), and US7027426B2 (wireless communication system with enhanced time slot allocation and interference avoidance/mitigation). All three relate to MANET and wireless communication technologies.
A consent judgment is a court-entered judgment based on terms agreed by the parties, carrying full judicial enforceability. A dismissal with prejudice ends the case and bars re-filing of the same claims, but may or may not involve a court-entered judgment. The recorded basis of termination here is Consent Judgment; the docket order is styled as a joint stipulated dismissal with prejudice. The specific terms are not disclosed in the available record.
The consent judgment resolves claims only between Stingray IP Solutions and the three named TP-Link entities. The with-prejudice dismissal bars re-filing against those specific defendants. However, Stingray retains the patents in its portfolio and may assert them against other parties, subject to the patents' validity and enforceability at the time of any future action.
The Eastern District of Texas, particularly before Judge Rodney Gilstrap, is one of the most active patent litigation venues in the United States and is frequently selected by patent assertion entities due to its established patent docket, procedural familiarity, and historically plaintiff-friendly scheduling norms. The case does not disclose specific venue facts beyond the court record.
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.
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