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Communication Interface Technologies v. Sleep Number | PatSnap
Explore in Eureka
Case ID4:24-cv-00425
FiledMay 2024
ClosedMay 2025
Patent Litigation

Communication Interface Technologies v. Sleep Number: Settled & Dismissed With Prejudice

Communication Interface Technologies, LLC asserted three connectivity interface patents against Sleep Number Corporation’s Sleep Number App in the Eastern District of Texas. The parties resolved all claims within 380 days, securing a dismissal with prejudice of plaintiff’s claims and a moot dismissal of defendant’s counterclaims — each side bearing its own fees and costs.

Resolution time
380days
380 days — above the E.D. Texas median for settled patent cases
Patents asserted
3
US6574239B1, US8291010B2, and US8266296B2 — three connectivity interface patents asserted
Outcome
Dismissed with Prejudice
Plaintiff’s claims dismissed with prejudice; defendant’s counterclaims dismissed without prejudice as moot
Cost ruling
Each Side Bears Own Costs
No fee award to either party; all attorneys’ fees taxed against the party incurring same
Published by PatSnap Insights Team · Verified by PatSnap Eureka Data
Case overview

Three connectivity patents, one smart-sleep app, and a Texas showdown

On 13 May 2024, Communication Interface Technologies, LLC — a non-practising entity holding a portfolio of connectivity and network interface patents — filed suit against Sleep Number Corporation in the U.S. District Court for the Eastern District of Texas before Judge Sean D. Jordan. The complaint asserted three patents: US6574239B1, US8291010B2, and US8266296B2, collectively covering wireless and network communication interface technologies, against Sleep Number’s consumer-facing Sleep Number App.

On 28 May 2025, approximately 380 days after filing, the parties announced to the court that all claims and counterclaims had been resolved. The court granted the joint request: plaintiff’s infringement claims were dismissed with prejudice — meaning they cannot be re-filed — while Sleep Number’s counterclaims were dismissed without prejudice as moot, reflecting that there was no live dispute requiring adjudication once the underlying claims were resolved. Each party was ordered to bear its own attorneys’ fees and costs.

A resolution at roughly 12.5 months, before any substantive Markman hearing or trial, is consistent with a negotiated settlement, though the public record does not disclose financial terms. The with-prejudice dismissal of plaintiff’s claims is the most consequential procedural detail: CIT cannot reassert these specific patents against Sleep Number on the same accused product. What drove resolution — whether claim construction risk, licensing economics, or litigation cost — remains undisclosed.

Case at a glance
Case no.4:24-cv-00425
CourtTexas Eastern
JudgeSean D. Jordan
FiledMay 13, 2024
ClosedMay 28, 2025
Duration380 days
OutcomeDismissed with Prejudice
Verdict causeInfringement Action
BasisDismissed with Prejudice
Prior Art Intelligence
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Case data sourced from PACER / Texas Eastern District Court via PatSnap Eureka Litigation Intelligence Explore similar cases ↗
Case timeline

Filing to Dismissed with Prejudice in 380 days

380 days — above the E.D. Texas median for settled patent cases

Case timeline: Complaint filed MAY 13 2024, NOV–DEC — 380 days total Horizontal timeline showing the three key events in Communication Interface Technologies, LLC v Sleep Number Corporation from filing to resolution. Source: PACER, Texas Eastern District Court. MAY 13 2024 Complaint filed Pre-trial proceedings MAY 28 2025 Dismissed with Prejudice 380 DAYS TOTAL
Dismissal terms

Dismissed with prejudice: what the court’s order means for both parties

Legal mechanism

Dismissal with prejudice bars any refiling on the same claims

A dismissal with prejudice is a final adjudication on the merits for procedural purposes. Communication Interface Technologies cannot re-file infringement claims against Sleep Number for the same three patents and the same accused product in any U.S. federal court. Sleep Number’s counterclaims — typically invalidity or non-infringement declarations — were dismissed without prejudice as moot, meaning they could theoretically be revived if circumstances change, though this is rarely pursued post-resolution.

Bars refiling by plaintiff
Plaintiff outcome

CIT forfeits future enforcement against Sleep Number on these patents

With prejudice dismissal extinguishes Communication Interface Technologies’ ability to reassert US6574239B1, US8291010B2, and US8266296B2 against Sleep Number and the Sleep Number App. Whether CIT secured a licensing payment before agreeing to this structure is not disclosed in the public record. NPEs in the E.D. Texas typically accept with-prejudice dismissals only when a commercial resolution has been reached — but that inference should be treated as circumstantial.

Claims extinguished vs. Sleep Number
Defendant outcome

Sleep Number secures closure — but patents remain live against others

Sleep Number, represented by Fish & Richardson’s Dallas and Minneapolis teams, exits the litigation with no public admission of liability and no fee award against it. Critically, the three CIT patents were not invalidated — they remain enforceable. Sleep Number’s counterclaims for invalidity being dismissed without prejudice as moot means no invalidity finding was entered, leaving the patent strength legally intact for potential future assertions against other defendants in the connected-device space.

No invalidity ruling entered
Commercial implications

Three connectivity patents survive — competitors in smart-home apps remain exposed

Because no claim construction ruling or invalidity finding was entered, US6574239B1, US8291010B2, and US8266296B2 exit this litigation with their scope untested by a court. Any company operating a connected-device or IoT application with network communication interfaces — particularly in smart-home, wearables, or health-tech — should note that CIT’s portfolio retains enforcement potential. The absence of a published fee award suggests this was an arms-length commercial resolution rather than a cost-shifting sanction.

Portfolio enforcement potential intact
Legal analysis based on PACER docket records for case 4:24-cv-00425 and PatSnap Eureka litigation intelligence Search PatSnap Eureka ↗
Parties and representation

Full party and counsel information

RoleNameTypeDetail
PlaintiffCommunication Interface Technologies, LLCCompanyNon-practising connectivity IP entity — holder of US6574239B1, US8291010B2, and US8266296B2Search in Eureka ↗
DefendantSleep Number CorporationCompanySleep Number Corporation — smart-bed and connected-sleep technology company, maker of the Sleep Number AppSearch in Eureka ↗
Plaintiff counselClifford Chad HensonAttorneyCounsel for Communication Interface Technologies, LLCSearch in Eureka ↗
Plaintiff counselTrevor James BeatyAttorneyCounsel for Communication Interface Technologies, LLCSearch in Eureka ↗
Plaintiff law firmDevlin Law Firm LLC (Wilmington)Law FirmRepresenting Communication Interface Technologies, LLCSearch in Eureka ↗
Plaintiff law firmShea BeatyLaw FirmRepresenting Communication Interface Technologies, LLCSearch in Eureka ↗
Defendant counselAiden BerdahlAttorneyCounsel for Sleep Number CorporationSearch in Eureka ↗
Defendant counselAlexander Hale MartinAttorneyCounsel for Sleep Number CorporationSearch in Eureka ↗
Defendant counselBrandon Scott AversAttorneyCounsel for Sleep Number CorporationSearch in Eureka ↗
Defendant counselMichael Alden VincentAttorneyCounsel for Sleep Number CorporationSearch in Eureka ↗
Defendant counselNeil J McNabnayAttorneyCounsel for Sleep Number CorporationSearch in Eureka ↗
Defendant counselNoel Franco ChakkalakalAttorneyCounsel for Sleep Number CorporationSearch in Eureka ↗
Defendant counselPhilip Gregory BrownAttorneyCounsel for Sleep Number CorporationSearch in Eureka ↗
Defendant counselRicardo Joel BonillaAttorneyCounsel for Sleep Number CorporationSearch in Eureka ↗
Defendant law firmFish & Richardson PCLaw FirmRepresenting Sleep Number CorporationSearch in Eureka ↗
Defendant law firmFish & Richardson PC (Dallas)Law FirmRepresenting Sleep Number CorporationSearch in Eureka ↗
Presiding judgeJudge Sean D. JordanJudgeTexas Eastern District CourtSearch in Eureka ↗
Official verdict

Official order — verbatim text

“On this day, Plaintiff Communication Interface Technologies, LLC ("Plaintiff’) and Defendant Sleep Number Corporation (“Defendant” or “Sleep Number”) (collectively, the "Parties") announced to the Court that they have resolved all claims and counterclaims against each other. The Parties have therefore requested that the Court dismiss Plaintiff’s claims for relief against Defendant with prejudice and Defendant’s counterclaims for relief against Plaintiff without prejudice as moot, and with all attorneys’ fees, costs and expenses taxed against the party incurring same. The Court, having considered this request, is of the opinion that their request for dismissal should be GRANTED. Therefore, it is ORDERED that Plaintiff’s claims for relief against Defendant are dismissed with prejudice and Defendant’s counterclaims against Plaintiff are dismissed without prejudice as moot. Each party to bear its own fees and costs.”
Source: PACER Docket, Case 4:24-cv-00425, Texas Eastern District Court

The court’s dismissal order reflects a jointly negotiated exit: plaintiff’s claims dismissed with prejudice signals a final resolution binding on CIT, while the without-prejudice moot dismissal of Sleep Number’s counterclaims is procedurally standard — there was no live invalidity controversy to adjudicate once the underlying claims were resolved. The fee-neutrality clause (‘each party to bear its own fees and costs’) is consistent with a settlement rather than a unilateral capitulation, though the absence of any financial disclosure leaves the economic terms of any agreement entirely outside the public record.

PACER case 4:24-cv-00425 · Public docket record Explore in Eureka ↗
Patent at issue

US6574239B1, US8291010B2 & US8266296B2 — network connectivity interface patents

Publication No.US6574239B1
Application No.US09/167698
Patent details
Productnetwork communication interface for connected device data exchange
Cited in actionMay 13, 2024

Publication No.US8291010B2
Application No.US12/194311
Patent details
Productapplication-layer network interface and data communication methods
Cited in actionMay 13, 2024

Publication No.US8266296B2
Application No.US12/272481
Patent details
Productwireless communication interface protocols for networked devices
Cited in actionMay 13, 2024

The three patents at issue — US6574239B1 (application no. US09/167698), US8291010B2 (application no. US12/194311), and US8266296B2 (application no. US12/272481) — span a technology arc from late-1990s foundational network interface filings through mid-2000s application-layer communication methods. US6574239B1 is the earliest-generation asset, with its application dating to the pre-smartphone era, suggesting broad foundational claims in device-to-network communication. The two later patents build on similar connectivity and data-exchange architectures relevant to modern app-layer implementations.

These patents are strategically potent in the current IoT and connected-device landscape because their foundational filing dates predate the mass-market mobile application ecosystem. Modern consumer apps — including health-monitoring, smart-home control, and connected-device management platforms like the Sleep Number App — typically rely on exactly the network communication interface layers these patents describe. Any company operating a mobile or cloud-connected device application should treat this family as live enforcement risk until claims are definitively construed or the patents expire.

Patent data sourced from USPTO via PatSnap Eureka patent database Search patent records in Eureka ↗
Freedom to operate

Should you run an FTO analysis against US6574239B1, US8291010B2 & US8266296B2?

If your product team is building or maintaining a mobile application that communicates with a connected device — smart-health monitors, IoT home devices, wearables, or any networked consumer product — these three CIT patents represent a credible FTO concern. No court has construed their claims or adjudicated their validity. The Sleep Number case closed without any substantive merits ruling, leaving the patents’ scope legally untested. R&D and product leaders should commission an FTO review before shipping new connectivity features, particularly those involving application-layer device communication or data exchange protocols.

PatSnap Eureka’s FTO Search Agent allows your team to map the claim language of US6574239B1, US8291010B2, and US8266296B2 against your product’s technical architecture in minutes. Eureka surfaces relevant prior art, identifies claim limitations that may not read on your implementation, and flags related NPE litigation activity — giving IP counsel and product teams the intelligence needed to make informed go/no-go decisions on feature development without waiting weeks for a manual FTO report.

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Related litigation

Similar connectivity patent cases in the Eastern District of Texas

Explore related NPE connectivity and network interface patent assertions filed in the Eastern District of Texas against IoT and consumer-app defendants.

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Strategic implications

What this case signals for the connected-device IP landscape

CIT’s action against Sleep Number reflects a broader wave of connectivity-patent assertions targeting IoT and smart-device applications in E.D. Texas.

E.D. Texas remains the venue of choice for connectivity NPE assertions

The Eastern District of Texas continues to attract non-practising entities asserting older connectivity and interface patents against modern app-layer implementations. Companies with consumer-facing connected applications should map their network communication stack against legacy interface patents — particularly those filed in the late 1990s to mid-2000s — before product launch or major feature updates.

With-prejudice dismissal without invalidity ruling is a double-edged outcome

Sleep Number’s exit is clean for its own product, but the three CIT patents remain valid and enforceable. Competitors in the smart-sleep, health-tech, and connected-home sectors cannot rely on this case as precedent for invalidity. Each faces independent exposure. An FTO analysis against US6574239B1, US8291010B2, and US8266296B2 is warranted for any team building app-based device communication features.

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Frequently asked questions

Communication v Sleep — key questions answered

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