Linfo IP v. Chubbies: Infringement Suit Dismissed With Prejudice in 60 Days
Linfo IP, LLC filed suit against apparel retailer Chubbies, Inc. in the Eastern District of Texas asserting US9430131B1, a patent covering user interface systems for organizing collections of electronic objects. The plaintiff voluntarily dismissed the case with prejudice after just 60 days — forfeiting any future right to bring the same claims against Chubbies.
A rapid voluntary exit that permanently closes the door on Chubbies
On August 29, 2024, Linfo IP, LLC — a non-practising entity holding US9430131B1 — filed a patent infringement action against Chubbies, Inc. in the United States District Court for the Eastern District of Texas (Case No. 2:24-cv-00711). The asserted patent covers a system with methods and a user interface for organizing an unstructured collection of electronic objects into lists or groups, a technology relevant to e-commerce and digital retail platforms.
Linfo IP filed a Notice of Voluntary Dismissal requesting dismissal with prejudice on or before October 28, 2024. The Court accepted and acknowledged the notice pursuant to Rule 41(a)(1)(A)(i), formally dismissing all pending claims and causes of action with prejudice. Critically, each party was ordered to bear its own costs, expenses, and attorneys’ fees, suggesting no negotiated fee arrangement was memorialized in the public record.
The 60-day lifecycle is notably short even by NPE litigation standards in the Eastern District of Texas, suggesting the parties may have reached a private resolution or that Chubbies’ counsel — Fish & Richardson, a firm with deep patent litigation experience — presented a sufficiently strong invalidity or non-infringement position to prompt withdrawal. The with-prejudice designation is the defining feature: Linfo IP has permanently surrendered the right to assert the same claims against Chubbies on the same patent. What drove the decision remains undisclosed in the public record.
Filing to Voluntary dismissal in 60 days
60 days from filing to dismissal — well below the median Eastern District of Texas patent case lifecycle
Dismissed with prejudice: what the Rule 41 exit means for both parties
Rule 41(a)(1)(A)(i): plaintiff-initiated exit with permanent consequence
Under Federal Rule of Civil Procedure 41(a)(1)(A)(i), a plaintiff may voluntarily dismiss a case without a court order before the defendant serves an answer or a motion for summary judgment. Here, the plaintiff specifically requested dismissal with prejudice — a higher-stakes election that extinguishes the claims permanently. The court accepted and acknowledged the notice, making the dismissal operative by its own terms.
Rule 41(a)(1)(A)(i) — with prejudiceWith prejudice forecloses any future action on these claims against Chubbies
A dismissal with prejudice operates as a final adjudication on the merits, barring Linfo IP from ever reasserting US9430131B1 against Chubbies for the same accused conduct. A dismissal without prejudice would have preserved that option. The public record here is unambiguous — the plaintiff’s own notice requested with-prejudice dismissal — making this a permanent exit, not a strategic pause.
Permanent bar against ChubbiesLinfo IP surrenders its enforcement position against Chubbies permanently
By electing dismissal with prejudice, Linfo IP relinquishes any future claim against Chubbies under US9430131B1 for the accused products and conduct. Whether this reflects a confidential settlement, a licensing resolution, or a strategic retreat in the face of a strong defense position is not disclosed in the public record. Linfo IP retains the patent and may continue asserting it against other defendants.
Patent remains enforceable vs. third partiesChubbies achieves permanent protection from this patent claim at no public cost
Chubbies, represented by Fish & Richardson, secured a with-prejudice dismissal — meaning it faces no further exposure to Linfo IP’s US9430131B1 claims for the same accused products. The each-party-bears-own-costs order means no attorneys’ fees were shifted. Whether Chubbies paid any consideration for this outcome is unknown from the public docket, but the result is commercially favorable: permanent IP clearance on this patent from this plaintiff.
Full dismissal, no fee exposureFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Linfo IP, LLC | Company | Non-practising entity (NPE) — holder of US9430131B1 covering UI-based electronic object organization systemsSearch in Eureka ↗ |
| Defendant | Chubbies, Inc. | Company | Chubbies, Inc. — consumer apparel and lifestyle brand operating digital retail platformsSearch in Eureka ↗ |
| Plaintiff counsel | William P. Ramey , III | Attorney | Counsel for Linfo IP, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Ramey LLP | Law Firm | Representing Linfo IP, LLCSearch in Eureka ↗ |
| Defendant counsel | Alexander Hale Martin | Attorney | Counsel for Chubbies, Inc.Search in Eureka ↗ |
| Defendant counsel | Neil J McNabnay | Attorney | Counsel for Chubbies, Inc.Search in Eureka ↗ |
| Defendant counsel | Ricardo Joel Bonilla | Attorney | Counsel for Chubbies, Inc.Search in Eureka ↗ |
| Defendant law firm | Fish & Richardson LLP | Law Firm | Representing Chubbies, Inc.Search in Eureka ↗ |
| Defendant law firm | Fish & Richardson PC (Dallas) | Law Firm | Representing Chubbies, Inc.Search in Eureka ↗ |
| Presiding judge | Judge N/A | Judge | Texas Eastern District CourtSearch in Eureka ↗ |
Official order — verbatim text
The court’s order tracks the Rule 41(a)(1)(A)(i) mechanism precisely — because no answer or summary judgment motion had been filed, dismissal was effective upon the plaintiff’s notice alone, requiring only the court’s acceptance and acknowledgment. The with-prejudice designation, explicitly requested by Linfo IP itself, is the operative legal fact: all claims are extinguished as to Chubbies. The costs-neutrality order forecloses any exceptional-case fee argument. The order does not speak to the merits of infringement or validity, leaving US9430131B1’s enforceability fully intact against the broader market.
US9430131B1 — UI system for organizing electronic object collections
US9430131B1, filed under application number US14/225422, protects a system comprising methods and a user interface for organizing an unstructured collection of electronic objects into lists or groups. The patent sits at the intersection of UX design and software architecture — covering the organizational logic that underpins how digital products present, sort, and structure content collections to users. Its issued status as a granted US utility patent (B1 designation indicating no prior publication before grant) signals a prosecution path that survived USPTO scrutiny.
The commercial relevance of this patent extends well beyond apparel retail. Any software product that enables users to arrange, sort, or group collections of digital items — product catalogues, content libraries, file managers, SaaS dashboards — sits within the conceptual orbit of this claim scope. For IP strategists, the patent’s continued enforceability after this with-prejudice dismissal means Linfo IP retains a live weapon. Competitors and adjacent technology companies in e-commerce, productivity software, and digital asset management should evaluate their exposure proactively.
Should your product team run an FTO against US9430131B1?
If your product includes any interface that allows users to organize, sort, list, or group collections of digital or electronic objects — whether in an e-commerce storefront, a SaaS platform, a content management system, or a mobile application — US9430131B1 is a patent your IP team should have on its radar. The Chubbies dismissal resolves nothing about the patent’s validity or claim scope. Linfo IP retains full rights and has demonstrated willingness to file in the Eastern District of Texas.
PatSnap Eureka’s FTO Search Agent can map the claim language of US9430131B1 against your product’s feature set, surface relevant prior art that could support an invalidity argument, and identify the prosecution history that defines the patent’s enforceable boundaries. For in-house teams and outside counsel evaluating risk ahead of a product launch or in response to a demand letter, this analysis can significantly sharpen your response strategy and negotiating position.
Run a freedom-to-operate analysis on US9430131B1 to assess your product’s exposure
Run FTO in Eureka →Similar UI patent infringement cases in the Eastern District of Texas
Explore comparable NPE-driven UI and software patent infringement actions filed in the Eastern District of Texas, including cases involving Ramey LLP and similar Rule 41 exits.
What this case signals for the UI and digital retail IP landscape
Short-duration NPE suits ending with prejudice often carry hidden commercial logic. Here is what practitioners should read into this outcome.
Eastern District of Texas remains a preferred venue for NPE UI patent assertions
Linfo IP’s choice of the Eastern District of Texas for a UI organization patent against an e-commerce defendant follows a well-established NPE playbook. Companies operating digital retail interfaces should treat this district as an elevated risk zone and maintain current prior art maps against UI-related patents in their product stack.
With-prejudice exits in 60 days typically reflect leverage shifting — not weakness in the patent
A voluntary dismissal with prejudice this early, before any substantive court ruling, suggests defendant counsel likely surfaced a credible invalidity or non-infringement argument quickly. Fish & Richardson’s involvement may itself have been a signal to plaintiff’s counsel. US9430131B1 remains alive and enforceable against others — this outcome resolves nothing about patent validity.
Linfo v Chubbies — key questions answered
A dismissal with prejudice under Rule 41(a)(1)(A)(i) permanently bars Linfo IP, LLC from reasserting US9430131B1 against Chubbies, Inc. for the same accused products and conduct. It operates as a final adjudication on the merits. Linfo IP retains the patent and remains free to assert it against other defendants.
Yes. The dismissal resolves only the claims between Linfo IP and Chubbies. No court ruled on the validity or infringement merits of US9430131B1. The patent remains in force and Linfo IP retains full enforcement rights against third parties. Companies with similar UI organization features in their products should evaluate their FTO position independently.
The public record does not disclose the reason. Common drivers of rapid with-prejudice dismissals include confidential settlement or licensing agreements, a credible invalidity or non-infringement position raised by defendant’s counsel, or a strategic recalibration by the plaintiff. Fish & Richardson’s involvement as defense counsel — a firm with significant patent litigation capabilities — may have been a contributing factor, though this is speculative.
US9430131B1 covers a system with methods and a user interface for organizing an unstructured collection of electronic objects into lists or groups. Products at potential risk include e-commerce platforms with product listing or collection features, SaaS dashboards with organizational UI layers, content management systems, file management tools, and any digital interface enabling users to sort or group collections of digital objects.
Linfo IP, LLC was represented by William P. Ramey III of Ramey LLP, a firm frequently associated with NPE patent assertions in the Eastern District of Texas. Chubbies, Inc. was represented by Alexander Hale Martin, Neil J. McNabnay, and Ricardo Joel Bonilla of Fish & Richardson LLP and Fish & Richardson PC (Dallas).
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