Noblewood IP v. AutoZone — Voluntarily Dismissed Without Prejudice
Noblewood IP LLC brought a patent infringement action against AutoZone, Inc. in the Western District of Texas, asserting US7941553B2 covering a method and device for streaming media files over a distributed information system. The case was voluntarily dismissed without prejudice after 351 days, before AutoZone filed any answer or motion for summary judgment.
Media Streaming Patent Suit Exits Early, Leaving Door Open
On October 27, 2022, Noblewood IP LLC — a patent holding entity — filed an infringement action against AutoZone, Inc. in the U.S. District Court for the Western District of Texas (Case No. 6:22-cv-01125), presided over by Judge Orlando L. Garcia. The sole patent asserted was US7941553B2, directed to a method and device for streaming a media file over a distributed information system.
The recorded Basis of Termination is Voluntary dismissal. The docket order is a Notice of Voluntary Dismissal Without Prejudice filed by Noblewood IP LLC pursuant to Federal Rule of Civil Procedure 41(a)(1)(A)(i), which allows a plaintiff to dismiss unilaterally before the opposing party serves an answer or motion for summary judgment. The notice expressly states the dismissal is without prejudice. AutoZone had not served an answer or motion for summary judgment at the time of dismissal.
The case closed approximately 351 days after filing, though the substantive phase was brief — the dismissal was filed at the unilateral notice stage, before any substantive defence was lodged. What drove the decision to dismiss is not disclosed in the available public record, nor are any terms of resolution, if any exist.
See Complete Case & Patent Analysis →Filing to Voluntary dismissal in 351 days
351 days from filing to voluntary dismissal in W.D. Tex.
US7941553B2 — Method and device for streaming media over a distributed system


Any company developing or operating media streaming, content delivery, or distributed file distribution systems — including those embedded in retail or automotive digital platforms — should consider a freedom-to-operate assessment against US7941553B2. The patent was asserted against AutoZone, a retailer, suggesting the claim scope may extend beyond traditional media companies. The dismissal in this case was without prejudice, meaning the patent remains a live enforcement asset.
Official order — verbatim text
The voluntary dismissal notice was filed under Rule 41(a)(1)(A)(i), confirming AutoZone had not yet answered or moved for summary judgment at the time of exit. The dismissal is expressly without prejudice, meaning no merits determination was made on US7941553B2. The public record is silent on any conditions or agreements accompanying the dismissal.
Voluntarily dismissed: what the Rule 41 exit means for both parties
Rule 41(a)(1)(A)(i): plaintiff's unilateral exit before defendant answers
Federal Rule of Civil Procedure 41(a)(1)(A)(i) permits a plaintiff to dismiss an action without a court order — and without prejudice — by filing a notice before the opposing party serves an answer or motion for summary judgment. AutoZone had not done either, so Noblewood IP could and did exit unilaterally. No judicial approval was required and no merits ruling was made.
No court order requiredDismissal without prejudice keeps the claims legally alive
A dismissal without prejudice means the action is terminated but the claims are not extinguished on the merits. The public record in this case is silent on any terms, conditions, or agreements that may or may not accompany the dismissal. Whether the matter could be re-filed or pursued in another forum depends on factors not disclosed in the available record.
Claims not adjudicated on meritsAutoZone exits without a judgment, but without prejudice cuts both ways
AutoZone, Inc. faces no adverse judgment and incurred no recorded cost or fee award. However, because the dismissal is without prejudice, the threat of future litigation on US7941553B2 is not eliminated as a matter of public record. AutoZone's IP and legal teams may wish to monitor Noblewood IP's activity in relation to this patent going forward.
No judgment against defendantEarly exit before answer stage limits public record but not portfolio risk
The case resolved before any claim construction, invalidity arguments, or discovery entered the record. This limits the public intelligence available on the strength or scope of US7941553B2. Companies operating in media streaming or digital distribution — particularly those with retail digital touchpoints — should note the patent remains in force and the dismissal is without prejudice.
Patent remains enforceableFull party and counsel information
| Role | Name | Type | Detail |
|---|---|---|---|
| Plaintiff | Noblewood IP, LLC | Company | /Search in Eureka ↗ |
| Defendant | Autozone, Inc. | Company | /Search in Eureka ↗ |
| Plaintiff counsel | Raymond W. Mort , III | Attorney | Counsel for Noblewood IP, LLCSearch in Eureka ↗ |
| Plaintiff law firm | The Mort Law Firm PLLC | Law Firm | Representing Noblewood IP, LLCSearch in Eureka ↗ |
| Presiding judge | Judge Orlando L. Garcia | Judge | Texas Western District CourtSearch in Eureka ↗ |
R&D signals in the media streaming and distributed systems IP space
Forward-looking patent and innovation intelligence derived from Noblewood IP's assertion of US7941553B2 against AutoZone in the media streaming and distributed information systems domain.
Noblewood IP's assertion footprint in streaming and distribution tech
Noblewood IP LLC is a patent holding entity whose enforcement activity centres on US7941553B2. Mapping Noblewood IP's full portfolio and any related applications or family members can reveal whether this assertion is a one-off or part of a broader campaign targeting digital distribution and streaming infrastructure. This is a critical first step for any potential target.
Assertion entity portfolioPatent filing trends in distributed media streaming systems
The technology space covering methods and devices for streaming media over distributed information systems has seen substantial filing activity from major platform operators, CDN providers, and device manufacturers. Understanding current filing trends and claim focus areas helps R&D teams anticipate where enforcement risk concentrates and where whitespace exists for differentiated innovation.
Filing trend analysisAutoZone's digital and streaming-adjacent patent activity
AutoZone's patent portfolio and IP posture in digital retail, connected vehicle services, and content distribution are worth mapping. Retailers expanding digital and connected-device capabilities increasingly accumulate IP relevant to streaming and distributed systems. Understanding AutoZone's own filings in this space can inform competitive positioning and identify potential cross-licensing dynamics.
Competitor IP postureAdjacent innovation opportunities near US7941553B2 claim space
The claim space around streaming media files over distributed systems contains both densely filed areas and underserved niches — particularly in edge delivery, adaptive bitrate optimisation, and automotive-integrated content distribution. R&D teams can use PatSnap Eureka to map claim adjacencies and identify filing opportunities that differentiate from the US7941553B2 family.
Innovation whitespaceSimilar patent infringement cases in media streaming — W.D. Texas
Cases involving media streaming and distributed system patents in the Western District of Texas, including other Rule 41 voluntary dismissals and patent assertion entity activity in this technology domain.
Related patent case — similar technology
Comparable case in the same technology domain. Patent holder and defendant reached resolution after proceedings.
SettledRelated infringement action — same court
Comparable Method and device for streaming a media file over a distributed information system-adjacent infringement action. Patent enforcement dynamics analysed in depth.
Active · District CourtRelated invalidity challenge — appellate outcome
Combined invalidity and infringement action in the same technology space. Decided after substantive proceedings.
DecidedNoblewood IP, LLC's broader IP enforcement history
Noblewood IP, LLC's full litigation history covering prior enforcement, licensing activity, and inter partes review proceedings.
Portfolio viewWhat this case signals for the media streaming IP landscape
An early voluntary dismissal without prejudice generates limited public record but carries meaningful portfolio-monitoring implications for the sector.
Unilateral Rule 41 exits warrant portfolio-level monitoring
When a plaintiff like Noblewood IP dismisses before the defendant answers, no invalidity or non-infringement arguments enter the public record. The asserted patent, US7941553B2, remains fully enforceable. Companies in media streaming and digital retail distribution should treat this as an open enforcement signal, not a resolved one.
No answer filed means no prior art record to leverage
AutoZone's legal team had not yet served a defence. That means any invalidity or claim-scope arguments they may have developed are not in the public record. Competitors facing the same patent in future proceedings will have no prior litigation record from this case to draw on.
Noblewood IP's assertion pattern deserves closer portfolio scrutiny
Patent assertion entities that file and voluntarily dismiss early — particularly before any answer — may be testing defendants, assessing litigation appetite, or managing resources across multiple targets. Mapping Noblewood IP's full filing history and related patent family around US7941553B2 is advisable for any company in the media streaming or automotive retail tech space.
US7941553B2 family scope could extend enforcement risk beyond AutoZone
The asserted patent covers a method and device for streaming media files over a distributed information system — a broad-sounding claim set that could intersect with a range of digital retail and content delivery implementations. An FTO analysis against the full patent family is warranted for product teams building or operating media streaming infrastructure.
Noblewood v Autozone — key questions answered
Noblewood IP LLC filed a patent infringement action against AutoZone, Inc. on October 27, 2022 in the Western District of Texas, asserting US7941553B2. The case was voluntarily dismissed without prejudice by Noblewood IP under Rule 41(a)(1)(A)(i) before AutoZone filed any answer or motion for summary judgment. The case closed on October 13, 2023 after 351 days.
Noblewood IP LLC asserted US7941553B2 (application number US10/624353), which covers a method and device for streaming a media file over a distributed information system. No claim construction or validity ruling was made in this case, so the full scope and enforceability of the patent was not adjudicated.
A voluntary dismissal without prejudice under Rule 41(a)(1)(A)(i) means the action was terminated without any merits ruling. The claims are not extinguished — Noblewood IP retains the right to pursue the matter in the future as permitted by law and applicable statutes of limitations. AutoZone faces no adverse judgment, but the patent remains a live enforcement asset. Specific terms, if any, are not disclosed in the available public record.
The complaint alleged infringement of US7941553B2, covering a method and device for streaming media files over a distributed information system. The specific products or services at AutoZone alleged to infringe are not detailed in the available public record beyond the product description provided. The case did not proceed to substantive defence or claim construction before dismissal.
Because the dismissal was without prejudice, the action was not decided on the merits. Under Rule 41(a)(1)(B), such a dismissal does not bar refiling, subject to applicable statutes of limitations and any other legal constraints. Whether any agreement between the parties affects future enforcement is not disclosed in the public record.
Monitor enforcement risk from media streaming patents like US7941553B2
This case closed without a merits ruling and without prejudice — meaning the patent remains live and enforcement risk persists. Use PatSnap Eureka to track Noblewood IP's activity, run an FTO for US7941553B2, and monitor streaming patent litigation trends.
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