Lexos Media IP v. ABT Electronics: 18-Patent Web UI Suit Dismissed With Prejudice
Lexos Media IP, LLC asserted 18 cursor and web-interface patents against ABT Electronics' retail website abt.com in the Northern District of Illinois. The parties stipulated to dismissal with prejudice under Rule 41(a)(1)(A)(ii) after 333 days, with each side bearing its own costs, fees, and expenses.
18-Patent Cursor & Web UI Assertion Against a Retail Website Ends by Stipulation
On September 9, 2022, Lexos Media IP, LLC filed suit against ABT Electronics, Inc. in the United States District Court for the Northern District of Illinois (Case No. 1:22-cv-04878) before Judge Mary M. Rowland. The complaint alleged infringement of 18 patents covering cursor customisation, animated pointer technology, and web user-interface interactions, with ABT's retail website www.abt.com identified as the accused product.
The case closed on August 8, 2023, via a joint stipulation of dismissal with prejudice filed under Federal Rule of Civil Procedure 41(a)(1)(A)(ii). The stipulation expressly encompassed all of ABT's counterclaims and allegations as well as Lexos's claims, and provided that each party would bear its own costs, fees, and expenses. The recorded Basis of Termination is 'Dismissed with Prejudice'; the docket order is styled as a Rule 41 stipulated dismissal with prejudice. The specific terms beyond cost allocation are not disclosed in the available record.
The case resolved approximately 11 months after filing, before any merits ruling on validity or infringement. ABT had filed an Answer and Counterclaims on November 8, 2022, and a Motion to Dismiss Plaintiff's Amended Complaint on January 31, 2023 — activity consistent with a defendant mounting a substantive defence. What drove the parties to stipulate at this juncture, and whether any commercial arrangement accompanied the dismissal, is not disclosed in the public record.
See Complete Case & Patent Analysis →Filing to Dismissed with Prejudice in 333 days
333 days from filing to closure — resolved before trial
US5347628A and 17 further patents — cursor customisation and web UI interaction
Any e-commerce operator, web platform developer, or digital agency deploying custom cursor behaviours, animated pointer effects, or interactive web UI elements on consumer-facing websites should consider this portfolio a live enforcement risk. The with-prejudice dismissal in favour of ABT did not extinguish the patents — it simply ended one assertion without a validity finding. Other companies in the retail, SaaS, and media sectors remain squarely within the scope of potential future assertions.
Official order — verbatim text
The stipulation recites dismissal with prejudice of all claims and counterclaims under Rule 41(a)(1)(A)(ii), with each party bearing its own costs, fees, and expenses. The express inclusion of ABT's counterclaims means no invalidity or non-infringement declarations survive. The recorded Basis of Termination is 'Dismissed with Prejudice'; the docket order is styled as a Rule 41 stipulated dismissal. The public record does not disclose any further terms agreed between the parties.
Dismissed with prejudice: what the stipulated resolution means for both parties
Rule 41(a)(1)(A)(ii) stipulated dismissal with prejudice explained
A dismissal with prejudice under Rule 41(a)(1)(A)(ii) is entered by joint stipulation of all appearing parties and operates as a final adjudication on the merits, permanently barring Lexos from re-filing the same claims against ABT. Because it is entered by stipulation rather than court order, no judicial reasoning is produced. The specific terms that led the parties to agree are not disclosed in the available record.
Final, bars re-filingLexos Media IP loses the right to re-assert these 18 patents against ABT
The with-prejudice dismissal forecloses Lexos from bringing the same 18-patent infringement claims against ABT in any future action. Lexos retains those patents and may assert them against other defendants; however, ABT's counterclaims — which could have challenged patent validity — were also dismissed. The patents therefore exit this litigation without a validity adjudication on the merits.
No re-assertion against ABTABT exits litigation with claims resolved — counterclaims also dismissed
ABT Electronics achieves finality: no outstanding infringement liability survives for the accused abt.com website. However, ABT's own counterclaims — filed November 8, 2022, and potentially including invalidity or non-infringement declarations — were expressly included in the dismissal. ABT therefore does not obtain a formal invalidity ruling that could have had broader collateral effect on the Lexos portfolio.
Finality for ABT; no invalidity ruling18 cursor and UI patents remain enforceable against third parties
Because the dismissal is bilateral and no court has ruled on validity or infringement, the 18 Lexos patents survive in an unvalidated but unchallenged state. Other e-commerce operators and web-interface developers remain potential targets if Lexos continues its assertion campaign. Companies whose websites use animated cursors or custom pointer interactions should consider monitoring Lexos's litigation activity and running FTO analyses against this portfolio.
Portfolio remains activeFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Lexos Media IP, LLC | Company | /Search in Eureka ↗ |
| Defendant | ABT Electronics, Inc. | Company | /Search in Eureka ↗ |
| Plaintiff counsel | Blake William Buether | Attorney | Counsel for Lexos Media IP, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Eric W. Buether | Attorney | Counsel for Lexos Media IP, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Lauren Kathleen Miller | Attorney | Counsel for Lexos Media IP, LLCSearch in Eureka ↗ |
| Plaintiff counsel | Sandeep Seth | Attorney | Counsel for Lexos Media IP, LLCSearch in Eureka ↗ |
| Plaintiff counsel | William Edward Meyer | Attorney | Counsel for Lexos Media IP, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Buether Joe & Counselors LLC | Law Firm | Representing Lexos Media IP, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Foran Glennon Palandech Ponzi & Rudloff PC | Law Firm | Representing Lexos Media IP, LLCSearch in Eureka ↗ |
| Plaintiff law firm | Fuksa Khorshid LLC | Law Firm | Representing Lexos Media IP, LLCSearch in Eureka ↗ |
| Plaintiff law firm | SethLaw PLLC | Law Firm | Representing Lexos Media IP, LLCSearch in Eureka ↗ |
| Defendant counsel | Alan Barry Patzik | Attorney | Counsel for ABT Electronics, Inc.Search in Eureka ↗ |
| Defendant counsel | Jonathan Samuel Goodman | Attorney | Counsel for ABT Electronics, Inc.Search in Eureka ↗ |
| Defendant counsel | Jordan Herzog | Attorney | Counsel for ABT Electronics, Inc.Search in Eureka ↗ |
| Defendant counsel | Michael R. Ellis | Attorney | Counsel for ABT Electronics, Inc.Search in Eureka ↗ |
| Defendant counsel | Neil J. Mcnabnay | Attorney | Counsel for ABT Electronics, Inc.Search in Eureka ↗ |
| Defendant counsel | Noel Franco Chakkalakal | Attorney | Counsel for ABT Electronics, Inc.Search in Eureka ↗ |
| Defendant counsel | Philip G. Brown | Attorney | Counsel for ABT Electronics, Inc.Search in Eureka ↗ |
| Defendant counsel | Ricardo J. Bonilla | Attorney | Counsel for ABT Electronics, Inc.Search in Eureka ↗ |
| Defendant law firm | Fish & Richardson PC | Law Firm | Representing ABT Electronics, Inc.Search in Eureka ↗ |
| Defendant law firm | Patzik, Frank & Samotny Ltd. | Law Firm | Representing ABT Electronics, Inc.Search in Eureka ↗ |
| Presiding judge | Judge Mary M. Rowland | Judge | Illinois Northern District CourtSearch in Eureka ↗ |
R&D signals in the cursor customisation and web UI patent space
Forward-looking patent and innovation intelligence derived from the Lexos Media IP v. ABT Electronics case and the broader cursor and web UI technology landscape.
Lexos Media IP's 18-patent cursor portfolio — breadth and filing trajectory
Lexos assembled a portfolio of at least 18 US patents covering cursor display, animated pointers, and web UI interaction — all originating from application filings between the mid-1980s and late 1990s. Mapping Lexos's full portfolio and any continuation or reissue activity signals whether new claims with modern claim language could extend enforcement into contemporary web technologies.
Portfolio breadth signalFiling trends in browser cursor and web pointer interaction patents
While the Lexos patents are vintage, modern filing activity in cursor UX, browser pointer events, and touch-to-cursor emulation for responsive web design continues. Tracking recent patent applications in this space — particularly from browser vendors and front-end framework developers — reveals whether the technology is being reinvented with fresh IP that could compete with or design around the Lexos claims.
Web UI filing trendsABT Electronics' IP position in e-commerce web technology
ABT Electronics engaged Tier 1 patent counsel (Fish & Richardson) and filed both an Answer with Counterclaims and a Motion to Dismiss before the case resolved — suggesting a substantive defensive posture. Analysing ABT's own patent filings, if any, in web interface or e-commerce UX technology may reveal defensive IP assets or white-space opportunities adjacent to the Lexos claim scope.
Retailer defensive IPDesign-around opportunities in modern cursor and pointer UX beyond the Lexos claims
The Lexos patents were filed before CSS custom cursors, WebGL pointer effects, and pointer events APIs became standard. There may be significant white space in modern, standards-compliant implementations of cursor customisation — particularly in accessibility-focused pointer design, touch-and-stylus hybrid interfaces, and AI-driven cursor prediction — that sits outside the literal scope of Lexos's 1980s–1990s claim language.
Design-around spaceSimilar cursor and web UI patent infringement cases in US federal courts
Cases involving cursor customisation and web UI patent assertions in the Northern District of Illinois and comparable US district courts, including other Lexos Media IP filings.
What this case signals for the web UI and cursor patent IP landscape
A 333-day lifespan and bilateral cost allocation are consistent with a negotiated resolution — but the public record is silent on terms.
Lexos's 18-patent portfolio signals a broad assertion strategy in web UI
Asserting 18 patents in a single complaint against a single defendant's website is consistent with a portfolio-licensing enforcement model. E-commerce companies and web-platform operators should treat this filing as a signal to audit their cursor, pointer, and browser-interaction implementations against the Lexos patent family.
Bilateral cost allocation with prejudice suggests a negotiated commercial endpoint
When both parties stipulate to dismissal with prejudice and each bears its own costs, the structure is consistent with the parties having reached some form of commercial accommodation — though the specific terms are not disclosed in the available record. Defendants facing similar PAE assertions should note that ABT engaged Fish & Richardson, a Tier 1 patent litigation firm, and filed both an Answer and a Motion to Dismiss before the case resolved.
Lexos v ABT — key questions answered
The case was dismissed with prejudice by joint stipulation under Federal Rule of Civil Procedure 41(a)(1)(A)(ii) on August 8, 2023. Both parties agreed that each would bear its own costs, fees, and expenses. The dismissal encompassed all of Lexos's infringement claims and all of ABT's counterclaims. No merits ruling on validity or infringement was issued.
Lexos asserted 18 US patents, including US5347628A, US5801698A, US5740549A, US5572643A, US5617526A, US5737619A, US4841291A, US5995102A, US4984152A, US5710897A, US5157768A, US5969708A, US5544295A, US5559943A, US6118449A, US4672575A, US5179656A, and US5596694A. The patents collectively cover cursor customisation, animated pointer display, and web user-interface interaction technologies.
Yes. A dismissal with prejudice operates as a final adjudication on the merits and permanently bars the plaintiff from bringing the same claims against the same defendant. Lexos Media IP cannot re-assert these 18 patents against ABT Electronics in a future action. However, Lexos retains the patents and may assert them against other defendants.
Yes. The stipulation of dismissal expressly states that it 'includes all of Abt's claims and allegations against Plaintiff in this action.' ABT had filed an Answer and Counterclaims on November 8, 2022. Those counterclaims were dismissed as part of the stipulation, meaning no invalidity or non-infringement declaration was entered by the court.
The case signals that the Lexos cursor patent portfolio remains active and that no court has adjudicated the patents invalid or not infringed. Other e-commerce operators and web-platform developers whose sites deploy custom cursor behaviours, animated pointer effects, or interactive UI elements remain potential enforcement targets. The specific terms of the ABT resolution are not disclosed in the public record, so no inference about licensing terms should be drawn from this case alone.
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.
PatSnap Eureka searches patents and litigation data to answer instantly.