Patent Armory v. Chicken Express: Dismissed With Prejudice in 90 Days
Patent Armory, Inc. asserted five patents covering intelligent call routing and telephony systems against quick-service restaurant chain Chicken Express, Inc. in the Eastern District of Texas. The plaintiff voluntarily dismissed the case with prejudice under FRCP 41(a)(1)(A)(i) after just 90 days, with each party bearing its own costs.
Swift with-prejudice exit in an E.D. Tex. call-routing assertion
On 4 October 2023, Patent Armory, Inc. filed a patent infringement action against Chicken Express, Inc. in the Eastern District of Texas (Case No. 2:23-cv-00464), before Chief Judge Rodney Gilstrap. The complaint asserted five patents — US9456086B1, US10491748B1, US7269253B1, US7023979B1, and US10237420B1 — all directed to intelligent communication routing, telephony control, and auction-based entity matching systems. The accused products were identified as intelligent communication routing systems and telephony control platforms deployed by the defendant.
The case closed on 2 January 2024, just 90 days after filing, when Patent Armory filed a Notice of Voluntary Dismissal With Prejudice under Federal Rule of Civil Procedure 41(a)(1)(A)(i). Chief Judge Gilstrap accepted and acknowledged the dismissal, formally extinguishing all claims and causes of action with prejudice. No costs, expenses, or attorneys’ fees were awarded to either side. The with-prejudice designation is legally significant: Patent Armory is permanently barred from reasserting these specific claims against Chicken Express.
A 90-day resolution — before any defendant appearance or responsive pleading is recorded in the public docket — is consistent with either a private settlement reached shortly after filing or a decision by the plaintiff not to proceed. The public record does not disclose the commercial terms, if any, that accompanied the dismissal. The with-prejudice election, rather than a without-prejudice withdrawal, suggests the parties reached a definitive resolution rather than a tactical retreat, though this cannot be confirmed from the court record alone.
Filing to dismissal in 90 days
Case resolved in 90 days — well below median time-to-termination for E.D. Tex. patent cases
Voluntary dismissal with prejudice under FRCP 41(a)(1)(A)(i)
FRCP 41(a)(1)(A)(i) — dismissal as of right before answer
Under Federal Rule of Civil Procedure 41(a)(1)(A)(i), a plaintiff may dismiss an action without a court order by filing a notice before the opposing party serves an answer or a motion for summary judgment. Patent Armory exercised this right, meaning Chicken Express had not yet formally appeared or answered. The court’s role was purely administrative — to accept and acknowledge the filing — not to evaluate the merits.
No court discretion requiredWith prejudice: permanent bar on refiling these claims
Dismissal with prejudice operates as an adjudication on the merits and functions as a permanent bar. Patent Armory cannot refile the identical claims against Chicken Express in any federal court. This is a stronger concession than a without-prejudice dismissal, which would preserve the right to refile. The election of with-prejudice status — made voluntarily by the plaintiff — suggests a definitive resolution rather than a procedural pause.
Claims permanently extinguishedEach party bears its own costs — no fee-shifting
The court’s order specifies that each party is to bear its own costs, expenses, and attorneys’ fees. In patent cases, fee awards under 35 U.S.C. § 285 require a finding that the case is ‘exceptional.’ Here, no such finding was sought or made. The mutual cost-bearing arrangement is a standard feature of negotiated exits and does not indicate fault or concession by either side on the merits.
No § 285 fee awardAll pending relief denied as moot upon case closure
Judge Gilstrap’s order denied as moot all pending requests for relief not explicitly granted. Because the case closed within 90 days with no recorded defendant appearance, it is unlikely that substantive motions (e.g., claim construction, invalidity) had been briefed. The mootness language is standard procedural housekeeping accompanying a full dismissal order in E.D. Tex. practice.
Clean procedural closureFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Patent Armory, Inc. | Company | Patent assertion entity — holder of US9456086B1 and 4 further telephony routing patentsSearch in Eureka ↗ |
| Defendant | Chicken Express, Inc. | Company | Chicken Express, Inc. — regional quick-service restaurant chain operating in TexasSearch in Eureka ↗ |
| Plaintiff counsel | Isaac Phillip Rabicoff | Attorney | Counsel for Patent Armory, Inc.Search in Eureka ↗ |
| Presiding judge | Judge Rodney Gilstrap | Chief Judge | Texas Eastern District Court — Chief JudgeSearch in Eureka ↗ |
Stipulation of dismissal — official text
The court’s order is purely administrative in character: it accepts and acknowledges Patent Armory’s self-executing notice under FRCP 41(a)(1)(A)(i) and formally closes the docket. No merits finding was made on infringement, validity, or claim scope. The with-prejudice designation, however, carries substantive consequence — it functions as a final judgment on the merits for res judicata purposes, permanently barring Patent Armory from asserting these claims against Chicken Express. The mutual cost-bearing provision forecloses any future fee dispute between the parties arising from this action.
US9456086B1 and 4 further patents — intelligent telephony and call routing systems
The five asserted patents span two core technology clusters: intelligent call routing and telephony control (US9456086B1, US10491748B1, US7269253B1, US7023979B1) and auction-based entity matching (US10237420B1). The telephony patents cover systems and methods for dynamically routing communications based on caller attributes, agent availability, and real-time decision logic — technology foundational to IVR platforms, contact centres, and hosted telephony services. The auction-matching patent addresses algorithmic pairing of entities under competitive conditions, which overlaps with lead-generation and inbound call monetisation architectures. Application dates range from 2003 to 2017, spanning the transition from on-premise PBX to cloud-hosted telephony.
These patents represent a portfolio assembled to cover broad commercial telephony use — including by businesses that are end-users of third-party platforms rather than technology developers. The assertion against a restaurant chain suggests the portfolio is being deployed against operators of hosted phone systems, IVR menus, or call-routing services provided by vendors such as telecom carriers or UCaaS platforms. Companies in retail, hospitality, and food service that rely on third-party call-handling infrastructure may face similar exposure. The breadth of the portfolio across multiple application dates and claim types means a freedom-to-operate analysis must address each patent independently.
Should you run an FTO against US9456086B1 and the Patent Armory portfolio?
Any business operating an automated call-routing system, IVR platform, contact centre, or hosted telephony solution — whether as a technology provider or an end-user — should assess its exposure to this patent portfolio. The patents’ claims are broad enough to potentially read on standard commercial telephony configurations, and Patent Armory’s willingness to assert them against a restaurant chain signals that enforcement is not limited to direct technology competitors. R&D and product teams deploying or procuring call-routing infrastructure should treat these patents as active risk vectors.
PatSnap Eureka’s FTO Search Agent can map the claim language of US9456086B1, US10491748B1, US7269253B1, US7023979B1, and US10237420B1 against your product architecture and flag design-around opportunities or invalidity arguments. Claim monitoring alerts will notify you if Patent Armory or a successor files continuations or new assertions in this technology space, giving your team early warning before litigation exposure crystallises.
Run a freedom-to-operate analysis on US9456086B1 to assess your product’s exposure
Run FTO in Eureka →Similar call-routing and telephony patent assertion cases in E.D. Texas
PatSnap Eureka tracks related litigation across truck body equipment, vehicle accessories, and comparable infringement actions in the Georgia district system.
What this case signals for the telephony patent assertion landscape
A 90-day with-prejudice exit against a restaurant chain over call-routing patents reveals recognisable patterns in NPE assertion strategy and defendant leverage.
Short assertion windows against non-tech defendants are a known NPE pattern
Patent Armory’s assertion of telephony patents against a quick-service restaurant — rather than a telecom or SaaS company — is consistent with a licensing-demand strategy targeting downstream users of standard communication technology. When these targets resist or engage counsel, rapid voluntary dismissal with prejudice is a common exit, as prolonged litigation against a non-tech defendant rarely generates sufficient damages to justify the cost.
E.D. Tex. venue choice amplifies settlement pressure even without trial risk
Filing before Chief Judge Gilstrap in the Eastern District of Texas is a deliberate forum choice — the district carries a reputation for patent-holder-friendly procedures and scheduling orders. Even where a case terminates before answer, the filing itself creates immediate legal exposure and cost for a defendant, which can accelerate settlement discussions regardless of patent validity or infringement merits.
Patent v Chicken — key questions answered
The public record does not disclose the reason. The voluntary dismissal with prejudice under FRCP 41(a)(1)(A)(i) was filed before Chicken Express entered an appearance, which is consistent with either a private settlement or a decision by Patent Armory not to proceed. The with-prejudice election permanently bars Patent Armory from refiling the same claims against Chicken Express.
Dismissal with prejudice operates as a final adjudication on the merits for res judicata purposes. The plaintiff cannot refile the same claims against the same defendant in any federal court. It is a stronger concession than a without-prejudice dismissal, which would preserve the right to refile. In patent cases, it also forecloses any future infringement claim on the same accused products under the same patent claims.
Patent Armory asserted five US patents: US9456086B1 and US10491748B1 (intelligent communication routing), US7269253B1 and US7023979B1 (telephony control with intelligent call routing), and US10237420B1 (method and system for matching entities in an auction). The accused products were intelligent communication routing systems and telephony control platforms.
Patent Armory was represented by attorney Isaac Phillip Rabicoff of Rabicoff Law LLC. No defendant attorneys or law firms are recorded in the public docket, consistent with Chicken Express not having filed a formal appearance before the voluntary dismissal was entered.
The Eastern District of Texas, presided over here by Chief Judge Rodney Gilstrap, is a historically popular venue for patent assertion entities due to its established patent docket, predictable scheduling orders, and prior reputation for plaintiff-friendly outcomes. Filing there creates immediate litigation cost and scheduling pressure for defendants, which can accelerate early resolution even where the case terminates before substantive proceedings.
PatSnap Eureka searches patents and litigation data to answer instantly.