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Cedar Lane Technologies v. Ricoh USA — Imaging Patent Dispute | PatSnap
Patent Litigation

Cedar Lane Technologies v. Ricoh USA: Imaging Interface Patents Voluntarily Dismissed in 131 Days

Cedar Lane Technologies filed suit against Ricoh USA in the Western District of Texas asserting three patents covering host interfaces for imaging arrays and analog-to-digital JPEG compression modules. The action was voluntarily dismissed after just 131 days, before Ricoh had filed an answer or moved for summary judgment.

Resolution time
131days
131 days — resolved before defendant answered the complaint
Patents asserted
3
US6972790B2, US8537242B2 and 1 further patent — imaging array host interface and A/D JPEG compression
Outcome
Voluntary dismissal
Plaintiff dismissed under Rule 41(a)(1)(A)(i); each party bears its own costs
Cost ruling
Own costs
Each party bears its own costs, expenses, and attorneys' fees per the dismissal order
Published by PatSnap Insights Team · Verified by PatSnap Eureka Data
Case overview

Three imaging patents, one pre-answer exit: how this W.D. Texas case ended

On October 26, 2022, Cedar Lane Technologies, Inc. filed a patent infringement action against Ricoh USA, Inc. in the U.S. District Court for the Western District of Texas before Judge Alan D. Albright. The complaint asserted three patents — US6972790B2, US8537242B2, and US6473527B1 — covering host interface technology for imaging arrays and module-level methods 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 with prejudice, noting that the defendant had not yet answered the complaint or moved for summary judgment, and that each party shall bear its own costs, expenses, and attorneys' fees.

At 131 days from filing to closure, the case ended before any substantive merits briefing was on the record. The pre-answer timing meant Cedar Lane could invoke Rule 41(a)(1)(A)(i) unilaterally. What drove the decision to dismiss — whether related to licensing discussions, claim viability assessment, or other commercial considerations — is not disclosed in the available public record.

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Case at a glance
CourtTexas Western District Court
JudgeAlan D Albright
FiledOctober 26, 2022
ClosedMarch 6, 2023
Duration131 days
OutcomeVoluntary dismissal
Verdict causeInfringement Action
BasisVoluntary dismissal
Prior Art Intelligence
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Case timeline

Filing to Voluntary dismissal in 131 days

131 days — resolved before defendant answered the complaint

Case timeline: Complaint filed OCT 26 2022 — 131 days total Horizontal timeline showing the three key events in Cedar Lane Technologies, Inc. v Ricoh USA, Inc. from filing to resolution. Source: PACER, Texas Western District Court. OCT 26 2022 Complaint filed Pre-trial proceedings MAR 6 2023 Voluntary dismissal 131 DAYS TOTAL
Patent at issue

US6972790B2, US8537242B2 & US6473527B1 — Imaging Array Interface & JPEG Compression

Publication No.US6972790B2
Application No.US09/742723
Patent details
ProductHost interface architecture for imaging arrays
Cited in actionOctober 26, 2022

Publication No.US8537242B2
Application No.US11/259791
Patent details
ProductModule and method for analog/digital conversion interfaced with JPEG compression
Cited in actionOctober 26, 2022

Publication No.US6473527B1
Application No.US09/324095
Patent details
ProductHost interface methods and systems for imaging arrays
Cited in actionOctober 26, 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 & US6473527B1?

Any company designing, manufacturing, or distributing products that incorporate imaging array host interfaces or hardware-level analog/digital-to-JPEG compression modules should treat these three patents as a priority FTO target. The technology scope — sensor host interfaces and compression pipeline modules — is broad enough to intersect with digital cameras, document scanners, multifunction printers, machine vision systems, and embedded imaging modules.

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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 with prejudice. Defendant has not yet answered the Complaint or moved for summary judgment. Each party shall bear its own costs, expenses, and attorneys’ fees.
Source: PACER Docket, Case 6:22-cv-01119, Texas Western District Court

The docket order invokes Rule 41(a)(1)(A)(i) and states the dismissal is with prejudice, with each party bearing its own costs. The pre-answer timing meant no substantive merits record was developed — no claim construction, invalidity rulings, or infringement findings appear in this proceeding. The cost-bearing provision confirms no fee-shifting was ordered against either party.

PACER case 6:22-cv-01119 · Public docket record Explore in Eureka ↗
Dismissal terms

Voluntarily dismissed: what the pre-answer exit means for both parties

Legal mechanism

Rule 41(a)(1)(A)(i): unilateral dismissal before answer

Federal Rule of Civil Procedure 41(a)(1)(A)(i) permits a plaintiff to dismiss an action without a court order at any time before the defendant serves an answer or a motion for summary judgment. Because Ricoh had not yet answered, Cedar Lane could file this notice unilaterally. The verdict text states the dismissal is with prejudice, though the recorded Basis of Termination is Voluntary dismissal without specifying prejudice status — the public record presents both characterisations.

Pre-answer unilateral dismissal
Dismissal prejudice distinction

With prejudice vs. without prejudice: what the record shows

The Basis of Termination is recorded as Voluntary dismissal without specifying whether it is with or without prejudice. The verbatim docket order states dismissal 'with prejudice.' A with-prejudice dismissal bars Cedar Lane from re-filing the same claims against Ricoh on these patents. The specific terms underlying the choice of prejudice designation are not disclosed in the available record.

Prejudice status noted in order
Defendant outcome

Ricoh exits without answering — no merits adjudication

Ricoh USA secured an exit from this litigation without filing an answer, incurring no merits-level liability on the record. Each party bears its own costs, expenses, and attorneys' fees, meaning Ricoh faces no fee-shifting exposure. No invalidity findings or non-infringement rulings were entered, leaving the patents' enforceability against other parties unaffected by this proceeding.

No merits ruling; own costs
Commercial implications

Imaging interface patents remain unchallenged in this record

Because the case resolved before any substantive briefing, the three asserted imaging interface patents — US6972790B2, US8537242B2, and US6473527B1 — carry no validity or infringement rulings from this proceeding. Other companies in the imaging array, digital camera module, or JPEG compression hardware space should note that the patents remain enforceable on their face and no prior art record was developed here.

Patents unchallenged; remain enforceable
Legal analysis based on PACER docket records for case 6:22-cv-01119 and PatSnap Eureka litigation intelligence Search PatSnap Eureka ↗
Parties and representation

Full party and counsel information

RoleNameTypeDetail
PlaintiffCedar Lane Technologies, Inc.CompanyImaging patent assertion entity — holder of US6972790B2, US8537242B2, and US6473527B1Search in Eureka ↗
DefendantRicoh USA, Inc.CompanyRicoh USA, Inc. — U.S. subsidiary of Ricoh Co., a global imaging and print technology companySearch 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 ↗
Defendant counselJennifer C. TempestaAttorneyCounsel for Ricoh USA, Inc.Search in Eureka ↗
Defendant counselJose Carlos VillarrealAttorneyCounsel for Ricoh USA, Inc.Search in Eureka ↗
Defendant counselMichael E. KnierimAttorneyCounsel for Ricoh USA, Inc.Search in Eureka ↗
Defendant counselRobert L. MaierAttorneyCounsel for Ricoh USA, Inc.Search in Eureka ↗
Defendant law firmBaker Botts LLPLaw FirmRepresenting Ricoh USA, 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 R&D intelligence derived from Cedar Lane Technologies v. Ricoh USA — covering imaging sensor interfaces, JPEG compression, and adjacent innovation activity.

Patent portfolio

Cedar Lane's imaging patent portfolio: scope and assertion footprint

Cedar Lane Technologies holds multiple patents in imaging interface and compression technology. Mapping its full portfolio — including continuations and related applications — can reveal the breadth of its assertion strategy and whether additional patents in the same family present risk to imaging hardware developers beyond the three asserted here.

Portfolio assertion risk
Technology landscape

Filing trends in imaging array host interface and onboard JPEG compression

Patent filing activity around host interface architectures for imaging sensors and hardware JPEG compression modules has continued well beyond the priority dates of the asserted patents. Understanding where modern filings cluster — CMOS sensor interfaces, ISP pipelines, embedded vision — helps R&D teams navigate freedom to operate and identify white space.

Imaging sensor IP trends
Competitor IP posture

Ricoh's defensive patent position in sensor interfaces and compression

Ricoh Co. and Ricoh USA maintain an active patent portfolio in imaging, compression, and document processing technologies. Analysing their filings in analog/digital interface and JPEG encoding domains relative to the asserted patents provides context on competitive IP positioning and potential cross-licensing leverage in the imaging hardware sector.

Ricoh defensive IP
White space opportunity

Adjacent innovation opportunities near legacy imaging interface patents

The host interface and compression pipeline claims in US6972790B2, US8537242B2, and US6473527B1 date from early 2000s architectures. Modern imaging pipelines — including ISP-integrated AI inference, lossless compression for machine vision, and high-speed sensor interfaces — may represent white space beyond the literal scope of these older claims, offering lower-risk innovation paths.

Modern imaging white space
Related litigation

Similar imaging interface patent cases in W.D. Texas and related courts

Explore comparable patent infringement actions involving imaging array interfaces and JPEG compression technology filed in the Western District of Texas and similar jurisdictions.

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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 patents, W.D. TexasCedar Lane other actionsRicoh patent disputesJPEG compression IP cases
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Strategic implications

What this case signals for the imaging interface IP landscape

A pre-answer voluntary dismissal in W.D. Texas over three legacy imaging patents raises questions about assertion strategy and portfolio lifecycle.

Pre-answer exits in W.D. Texas often signal unresolved licensing dynamics

When a plaintiff dismisses before the defendant answers — particularly under Rule 41(a)(1)(A)(i) — it typically signals that the litigation served a purpose other than full trial. Companies in the imaging and print hardware space should monitor Cedar Lane's broader assertion activity across its imaging portfolio to assess ongoing risk.

Legacy imaging interface patents can still carry assertion risk

US6972790B2, US8537242B2, and US6473527B1 cover host interface and A/D-to-JPEG compression architectures that appear in widely deployed imaging hardware. The absence of any validity challenge in this record means these patents have not been tested in litigation — R&D and product teams working in digital imaging should conduct an FTO review.

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Full strategic analysis in PatSnap Eureka
Unlock full strategic analysis of this imaging interface patent dispute in the Western District of Texas, including portfolio mapping and assertion pattern signals.
Cedar Lane portfolio depthRelated W.D. Texas filingsImaging compression FTO risk
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Frequently asked questions

Cedar v Ricoh — key questions answered

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Run an FTO on Cedar Lane's imaging interface patents before they resurface

No invalidity record was built in this case, leaving US6972790B2, US8537242B2, and US6473527B1 unchallenged. Use PatSnap Eureka to conduct a freedom-to-operate analysis and monitor Cedar Lane's assertion activity across the imaging hardware sector.

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.

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