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Cedar Lane Technologies v. Dynacom Communications — Imaging Patent Suit | PatSnap
Patent Litigation

Cedar Lane Technologies v. Dynacom Communications — Voluntarily Dismissed After 252 Days

Cedar Lane Technologies filed a patent infringement action against Dynacom Communications in the Western District of Texas, asserting three patents covering imaging array host interfaces and analog/digital-to-JPEG conversion modules. The plaintiff voluntarily dismissed the action under Rule 41(a)(1)(A)(i) after 252 days, before the defendant had answered or moved for summary judgment.

Resolution time
252days
252 days — filed June 2022, closed March 2023, before any defendant response
Patents asserted
3
US6972790B2, US8537242B2 and US6473527B1 — imaging host interface and JPEG compression patents
Outcome
Voluntary dismissal
Plaintiff-initiated dismissal under Rule 41; with/without prejudice not specified in public record
Cost ruling
Not recorded
No costs order appears in the available public record for this case.
Published by PatSnap Insights Team · Verified by PatSnap Eureka Data
Case overview

Three imaging patents, one early exit: Cedar Lane v. Dynacom unpacked

Cedar Lane Technologies, Inc. filed suit against Dynacom Communications, Inc. on 24 June 2022 in the Western District of Texas (Case No. 6:22-cv-00659), before Judge Alan D. Albright. The complaint asserted infringement of three patents — US6972790B2, US8537242B2, and US6473527B1 — covering host interface technology for imaging arrays and a module and method for interfacing analog/digital converting means with JPEG compression means.

The recorded Basis of Termination is 'Voluntary dismissal'. The docket order states that, pursuant to Federal Rule of Civil Procedure 41(a)(1)(A)(i), the plaintiff dismissed the action and noted that the defendant had not yet answered the complaint or moved for summary judgment at the time of dismissal.

The case closed on 3 March 2023, 252 days after filing — a relatively short window that suggests the matter was resolved or abandoned at an early pre-answer stage. What drove the decision to dismiss, and whether any agreement was reached between the parties, is not disclosed in the available public record.

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Case at a glance
CourtTexas Western District Court
JudgeAlan D Albright
FiledJune 24, 2022
ClosedMarch 3, 2023
Duration252 days
OutcomeVoluntary dismissal
Verdict causeInfringement Action
BasisVoluntary dismissal
Prior Art Intelligence
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Case timeline

Filing to Voluntary dismissal in 252 days

252 days — filed June 2022, closed March 2023, before any defendant response

Case timeline: Complaint filed JUN 24 2022 — 252 days total Horizontal timeline showing the three key events in Cedar Lane Technologies, Inc. v Dynacom Communications, Inc. from filing to resolution. Source: PACER, Texas Western District Court. JUN 24 2022 Complaint filed Pre-trial proceedings MAR 3 2023 Voluntary dismissal 252 DAYS TOTAL
Patent at issue

US6972790B2, US8537242B2 & US6473527B1 — imaging interface and JPEG compression patents

Publication No.US6972790B2
Application No.US09/742723
Patent details
ProductHost interface architecture for imaging arrays
Cited in actionJune 24, 2022

Publication No.US8537242B2
Application No.US11/259791
Patent details
ProductModule and method for interfacing analog/digital converters with JPEG compression
Cited in actionJune 24, 2022

Publication No.US6473527B1
Application No.US09/324095
Patent details
ProductHost interface circuitry for imaging sensor arrays
Cited in actionJune 24, 2022
Technical brief · sourced from PatSnap patent database
US6972790B2Primary patent
Patent figurePatent figure
Technology summary
The integration of a memory and control circuit within the CMOS imaging array allows direct data access to a processor system, addressing the interface incompatibility issue and optimizing CMOS technology's cost benefits by streamlining data transfer.
Representative claim (1 of 2 independent)
1. An interface for receiving data from an image sensor having an imaging array and a clock generator for transfer to a processor system comprising: a memory for storing imaging array data and clocking signals at a rate determined by the clocking signals; a signal generator for generating a signal for transmission to the processor system in response to the quantity of data in the memory; and a circuit for controlling the transfer of the data from the memory at a rate determined by the processor system.
Technical background
This application claims the benefit of U.S. Provisional Patent Application Ser. No. 60/177,496 filed on Jan. 21, 2000. FIELD OF THE INVENTION The invention relates generally to integrated electronic image sensing circuitry and more particularly to CMOS imaging circuitry. BACKGROUND OF THE INVENTION Integrated circuit (IC) technology, applied to imaging, is revolutionizing that field. Semiconductors can be used to represent an image as an electrical signal. Charge coupled devices (CCDs) are the most significant comm…
Patent family
16 family members across 4 jurisdictions (JP, EP, US, CA)
PatSnap Eureka · FTO Search Agent
Should you run an FTO against US6972790B2, US8537242B2, and US6473527B1?

Any R&D team developing products that incorporate imaging array host interfaces or hardware JPEG compression pipelines — including camera modules, embedded vision systems, IoT sensors, and image-processing SoCs — should assess freedom-to-operate against all three Cedar Lane patents. The lack of any invalidity or non-infringement ruling in this case means there is no judicial finding that limits their enforceability. Re-assertion against new defendants remains a live possibility.

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Official verdict

Official order — verbatim text

Pursuant to Federal Rule of Civil Procedure 41(a)(1)(A)(i), Plaintiff hereby dismisses this action without prejudice. Defendant has not yet answered the Complaint or moved for summary judgment.
Source: PACER Docket, Case 6:22-cv-00659, Texas Western District Court

The docket order records a plaintiff-initiated dismissal citing FRCP 41(a)(1)(A)(i), noting that the defendant had not yet answered or moved for summary judgment. No merits ruling, claim construction order, or cost award was issued. The case closed at the earliest procedural stage available to a plaintiff, leaving all three asserted patents unadjudicated.

PACER case 6:22-cv-00659 · Public docket record Explore in Eureka ↗
Dismissal terms

Voluntary dismissal: what the early exit means for both parties

Legal mechanism

Rule 41(a)(1)(A)(i): plaintiff's unilateral right to dismiss

FRCP 41(a)(1)(A)(i) allows a plaintiff to dismiss an action without a court order before the defendant serves an answer or a motion for summary judgment. Because Dynacom had not yet answered, Cedar Lane could invoke this rule as of right. The rule permits dismissal without requiring the defendant's consent or judicial approval.

Pre-answer voluntary dismissal
Prejudice status

With or without prejudice? The public record is silent

A Rule 41(a)(1)(A)(i) dismissal is without prejudice by default unless the plaintiff has previously dismissed the same claim in any federal or state court. The docket order references dismissal 'without prejudice', but the Basis of Termination is recorded simply as 'Voluntary dismissal' without specifying prejudice status. The specific terms and any conditions are not disclosed in the available public record.

Prejudice status unspecified in record
Defendant outcome

Dynacom exits without a merits ruling or cost order

Because the dismissal occurred before Dynacom filed any answer or dispositive motion, the defendant faces no adverse judgment on the merits and no recorded fee or cost award. The patents remain in force, and Dynacom's freedom-to-operate position relative to the three asserted patents is not resolved by this proceeding.

No merits adjudication
Commercial implications

Imaging interface patents remain live enforcement assets

A voluntary pre-answer dismissal leaves the three Cedar Lane patents — covering host interfaces for imaging arrays and analog/digital-to-JPEG compression methods — fully enforceable. Companies operating in the imaging hardware and embedded compression space should note that no claim construction, invalidity, or non-infringement ruling was issued, keeping the patents' scope entirely open for future assertion.

Patents remain enforceable
Legal analysis based on PACER docket records for case 6:22-cv-00659 and PatSnap Eureka litigation intelligence Search PatSnap Eureka ↗
Parties and representation

Full party and counsel information

RoleNameTypeDetail
PlaintiffCedar Lane Technologies, Inc.CompanyPatent assertion entity — holder of US6972790B2, US8537242B2, and US6473527B1Search in Eureka ↗
DefendantDynacom Communications, Inc.CompanyDynacom Communications, Inc. — communications technology company named in the imaging patent suitSearch in Eureka ↗
Plaintiff counselIsaac RabicoffAttorneyCounsel for Cedar Lane Technologies, Inc.Search in Eureka ↗
Plaintiff law firmRabicoff Law LLCLaw FirmRepresenting Cedar Lane Technologies, Inc.Search in Eureka ↗
Presiding judgeJudge Alan D AlbrightJudgeTexas Western District CourtSearch in Eureka ↗
R&D signals

R&D signals in the imaging interface and compression IP space

Forward-looking patent and innovation intelligence derived from the Cedar Lane v. Dynacom imaging interface and JPEG compression patent dispute.

Patent portfolio

Cedar Lane's imaging portfolio: what else is in the family?

Cedar Lane asserted three patents from application filings spanning the late 1990s to mid-2000s. Understanding whether continuations, divisionals, or related CIPs from the same families remain in force is critical for companies in the embedded imaging space. Portfolio mapping can surface claim scope that was not asserted in this action but may be directed at newer product architectures.

Portfolio depth
Technology landscape

Filing trends in imaging sensor interface and on-device JPEG compression

Patent filings covering sensor-to-host interface architectures and hardware JPEG pipelines have evolved significantly since the Cedar Lane patents were filed. Tracking current assignees, active filing trends, and claim evolution in this space helps identify which players are building defensive or offensive positions around next-generation imaging compression technology.

Imaging compression trends
Defendant IP posture

Dynacom Communications' patent position in communications imaging

Dynacom Communications was named as a defendant in an imaging interface infringement action but did not file an answer before dismissal. Assessing Dynacom's own patent activity and any defensive IP assets in the communications and imaging space provides context for understanding their vulnerability and strategic positioning relative to Cedar Lane's claims.

Defendant IP posture
White space

Adjacent R&D opportunities: post-JPEG imaging compression interfaces

The Cedar Lane patents focus on analog/digital conversion interfaces feeding JPEG encoders — a pipeline increasingly supplemented by modern codecs (HEVC, AV1, WebP) and AI-based compression. White space may exist in the interface layer between sensor arrays and neural-network-based image processors, where legacy JPEG-era patent claims may not reach but new filing activity is emerging.

White space — next-gen compression
Related litigation

Similar imaging and compression patent cases in W.D. Texas

Explore related patent infringement actions asserting imaging interface and JPEG compression patents in the Western District of Texas and comparable venues.

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Cedar Lane Technologies, Inc. patent enforcement history, Texas Western District Court case history, Cedar Lane Technologies, Inc.'s full IP portfolio, and comparable case analysis
Imaging interface cases W.D. TXJPEG compression patent suitsCedar Lane related filingsJudge Albright imaging docket
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Strategic implications

What this case signals for the imaging interface IP landscape

An early voluntary dismissal in a multi-patent imaging case before Judge Albright raises questions about assertion strategy and portfolio targeting in the embedded imaging sector.

Pre-answer dismissals in W.D. Texas often signal post-filing activity

Voluntary dismissals under Rule 41(a)(1)(A)(i) filed before any defendant response are a recognised pattern in the Western District of Texas. They may follow licensing discussions, claim-scope reassessment, or procedural strategy. Any company that received a Cedar Lane demand letter or similar assertion should monitor the portfolio for re-filing activity.

Three asserted patents covering distinct imaging layers raise broad risk

Asserting patents at both the host-interface layer (US6972790B2, US6473527B1) and the compression-pipeline layer (US8537242B2) suggests Cedar Lane's claim covers a wide slice of imaging system architecture. Product teams integrating camera modules with on-device JPEG encoding should treat all three patents as live FTO concerns.

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Portfolio continuation riskRe-filing probability signalsW.D. Texas imaging docket trends
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Frequently asked questions

Cedar v Dynacom — key questions answered

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Run an FTO before the next imaging patent demand arrives

The Cedar Lane patents cover foundational imaging interface and JPEG compression architecture and remain fully enforceable. Use PatSnap Eureka to assess claim exposure across your product portfolio and monitor for re-filing activity.

Disclaimer

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.

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