WirelessWerx IP v. Mitsubishi Motors: Wireless Control Patent Dismissed in 64 Days
WirelessWerx IP LLC filed suit against Mitsubishi Motors Corporation in the Northern District of Texas asserting US7323982B2, a patent covering systems and methods to wirelessly control systems. The case ended via voluntary dismissal without prejudice just 64 days after filing — before Mitsubishi answered — with each party bearing its own costs.
Early Exit: WirelessWerx Pulls Wireless-Control Suit Before Mitsubishi Answers
On 11 February 2025, WirelessWerx IP LLC — a patent assertion entity holding US7323982B2 — filed an infringement action against Mitsubishi Motors Corporation in the Northern District of Texas (Case No. 3:25-cv-00340), presided over by Judge Jane J. Boyle. The asserted patent, US7323982B2, covers systems and methods to wirelessly control systems, a technology area relevant to connected-vehicle and telematics architectures.
The case terminated on 16 April 2025 when WirelessWerx filed a notice of voluntary dismissal under Federal Rule of Civil Procedure 41(a)(1)(A)(i), citing the fact that Mitsubishi had not yet answered or filed a motion for summary judgment. The dismissal was expressly stated to be without prejudice as to the asserted patent, meaning the claims survive and WirelessWerx retains the right to refile. Each party was ordered to bear its own costs, expenses, and attorneys’ fees.
A 64-day lifecycle — from filing to dismissal before any responsive pleading — is notably short even by the standards of pre-answer voluntary dismissals, and typically signals one of several dynamics: an ongoing licensing negotiation, a strategic venue reassessment, or a decision to pause while monitoring parallel proceedings. The public record does not disclose whether any settlement or licensing agreement was reached; that question remains open.
Filing to Voluntary dismissal in 64 days
64 days — well below the median time-to-termination for N.D. Texas patent cases
Voluntarily dismissed without prejudice: what the ruling means for both parties
Rule 41(a)(1)(A)(i): the plaintiff’s unilateral exit right
Federal Rule of Civil Procedure 41(a)(1)(A)(i) permits a plaintiff to dismiss an action without a court order at any time before the defendant serves an answer or a motion for summary judgment. WirelessWerx exercised this right here, confirming Mitsubishi had not yet responded. The dismissal is self-executing upon filing — no judicial approval is required — which explains the clean, same-day closure.
Pre-answer voluntary dismissalClaims survive: WirelessWerx preserves the right to refile
A dismissal without prejudice does not adjudicate the merits. WirelessWerx explicitly stated the dismissal is ‘without prejudice as to the asserted patent,’ meaning it retains the ability to refile the same infringement claims against Mitsubishi — or other defendants — in a future action. This contrasts with a dismissal with prejudice, which would extinguish those claims permanently. The public record is silent on whether any side agreement explains the withdrawal.
No merits ruling; claims preservedMitsubishi exits without a judgment — but faces ongoing exposure
Mitsubishi Motors secured a clean exit from this particular action without admitting infringement or invalidity, and without incurring a cost award. However, because the dismissal is without prejudice, Mitsubishi cannot treat this as a final resolution. The patent US7323982B2 remains in force and WirelessWerx retains full enforcement rights, suggesting Mitsubishi’s IP and legal teams should monitor the patent’s status and any refiling activity.
No admission; re-exposure risk remainsWireless vehicle-control IP: a live assertion risk for the auto sector
US7323982B2 covering wireless system-control methods is broadly relevant to connected-vehicle, telematics, and remote-access platforms. The without-prejudice dismissal signals that the assertion campaign around this patent is likely not over — other OEMs or Tier-1 suppliers in the wireless vehicle-control space may face similar claims. Companies commercialising connected-vehicle systems should assess FTO exposure to this patent family before the next filing lands.
Ongoing assertion risk; FTO review advisedFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | WirelessWerx IP LLC | Company | Patent assertion entity — holder of US7323982B2 covering wireless control systemsSearch in Eureka ↗ |
| Defendant | Mitsubishi Motors Corporation | Company | Mitsubishi Motors Corporation — global automotive manufacturerSearch in Eureka ↗ |
| Plaintiff counsel | Jeffrey E. Kubiak | Attorney | Counsel for WirelessWerx IP LLCSearch in Eureka ↗ |
| Plaintiff counsel | Kirby Blair Drake | Attorney | Counsel for WirelessWerx IP LLCSearch in Eureka ↗ |
| Plaintiff counsel | William P. Ramey , III | Attorney | Counsel for WirelessWerx IP LLCSearch in Eureka ↗ |
| Plaintiff law firm | Kirby Drake Law PLLC | Law Firm | Representing WirelessWerx IP LLCSearch in Eureka ↗ |
| Plaintiff law firm | Ramey LLP | Law Firm | Representing WirelessWerx IP LLCSearch in Eureka ↗ |
| Defendant counsel | Emily Gayle Stroope | Attorney | Counsel for Mitsubishi Motors CorporationSearch in Eureka ↗ |
| Defendant law firm | Baker, Donelson, Bearman, Caldwell & Berkowitz PC | Law Firm | Representing Mitsubishi Motors CorporationSearch in Eureka ↗ |
| Presiding judge | Judge Jane J Boyle | Judge | Texas Northern District CourtSearch in Eureka ↗ |
Official order — verbatim text
The dismissal notice invokes Rule 41(a)(1)(A)(i) and expressly records that Mitsubishi had not answered or moved for summary judgment — a prerequisite for plaintiff’s unilateral right to dismiss. The explicit ‘without prejudice as to the asserted patent’ language is legally significant: it forecloses any argument that the dismissal constitutes a final adjudication, preserving WirelessWerx’s enforcement position. The mutual cost-bearing provision suggests neither party extracted concessions in exchange for the exit.
US7323982B2 — Wireless System Control Methods and Architecture
US7323982B2 (application no. US11/105932) protects systems and methods for wirelessly controlling systems — a broad foundational claim set in the wireless communications and remote-control domain. The application number suggests filing in the mid-2000s, a period when wireless command-and-control architectures for vehicles and industrial systems were rapidly maturing. The B2 designation confirms the patent issued after examination with an amended claim set.
In the connected-vehicle sector, patents covering wireless control methods carry outsized strategic value: they sit at the intersection of telematics, remote access, and OTA command execution — capabilities now standard across nearly every automotive OEM. A PAE holding such a patent can assert it broadly across competitors without needing to commercialise the technology itself. For Mitsubishi and peer OEMs, the key strategic question is whether their wireless-control feature implementations fall within the literal or doctrine-of-equivalents scope of US7323982B2’s independent claims.
Should your product team run an FTO against US7323982B2?
Any organisation commercialising wireless vehicle-control systems, remote-start platforms, fleet telematics, or OTA vehicle-command features should treat US7323982B2 as a live FTO risk. The without-prejudice dismissal against Mitsubishi means this patent is actively being asserted and is not retired. Tier-1 automotive suppliers, connected-mobility startups, and OEM IP teams are the most directly exposed audiences.
PatSnap Eureka’s FTO Search Agent lets you map the claim scope of US7323982B2 against your product architecture in minutes — identifying which independent and dependent claims read on your wireless-control implementation and flagging prior art that could support an IPR challenge. Use the portfolio view to surface related WirelessWerx patents that may also be in play.
Run a freedom-to-operate analysis on US7323982B2 to assess your product’s exposure
Run FTO in Eureka →Similar Wireless Control Patent Infringement Cases in N.D. Texas
Cases involving wireless system-control patents asserted against automotive and telematics defendants in the Northern District of Texas and comparable district courts.
What this case signals for connected-vehicle wireless IP enforcement
A 64-day pre-answer dismissal without prejudice rarely marks the end of a patent assertion campaign — it more often marks a pause.
Pre-answer dismissals in N.D. Texas often precede refiling or licensing deals
When a PAE voluntarily dismisses before the defendant answers, it typically suggests one of three scenarios: a licensing discussion is ongoing, venue strategy is being reconsidered, or the plaintiff is consolidating multiple defendants. The without-prejudice language here keeps all three options open for WirelessWerx. Mitsubishi and similarly situated OEMs should treat this as a provisional resolution, not a final one.
US7323982B2 scope makes it a risk for any OEM with wireless vehicle features
Patents covering broad ‘systems and methods to wirelessly control systems’ have historically been asserted across multiple defendants in the automotive and IoT space. Any OEM, Tier-1 supplier, or fleet-management platform that relies on wireless vehicle-control architectures should conduct a formal FTO analysis against US7323982B2 before this patent is next asserted.
WirelessWerx v Mitsubishi — key questions answered
It means WirelessWerx withdrew its infringement claims before Mitsubishi filed an answer, using Rule 41(a)(1)(A)(i). Because the dismissal is without prejudice, no court ruled on the merits and WirelessWerx retains the right to refile the same claims based on US7323982B2 against Mitsubishi or any other defendant.
WirelessWerx asserted US7323982B2 (application no. US11/105932), which covers systems and methods to wirelessly control systems. The patent is relevant to connected-vehicle telematics, remote-start, and OTA vehicle-command architectures common across modern automotive OEMs.
Yes. The dismissal is expressly without prejudice, which preserves WirelessWerx’s right to refile. The public record does not disclose any settlement or licence that would restrict refiling. Mitsubishi and similarly positioned defendants should monitor WirelessWerx’s filing activity accordingly.
The voluntary dismissal notice specifies that each party shall bear its own costs, expenses, and attorneys’ fees. No fee-shifting award was made under 35 U.S.C. § 285 or any other basis, which is consistent with a pre-answer dismissal where no merits rulings were issued.
The case closed 64 days after filing, before Mitsubishi answered. Pre-answer voluntary dismissals at this speed typically suggest an ongoing licensing negotiation, a strategic venue or timing reassessment, or plaintiff consolidating its assertion approach. The public record does not confirm which dynamic applied here.
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