Book a demo

Cut patent&paper research from weeks to hours with PatSnap Eureka AI!

Try now
Cedar Lane Technologies v. Hertz Global Holdings — Imaging Array Patent | PatSnap
Patent Litigation

Cedar Lane Technologies v. Hertz Global Holdings: Imaging Array Patents Voluntarily Dismissed

Cedar Lane Technologies filed suit against Hertz Global Holdings in the Western District of Texas asserting two imaging array patents — US6972790B2 and US8537242B2. The case ended by voluntary dismissal under Rule 41(a)(1)(A)(i) just 126 days after filing, before Hertz had answered the complaint.

Resolution time
126days
126 days — resolved before defendant filed an answer
Patents asserted
2
US6972790B2 and US8537242B2 — host interface for imaging arrays
Outcome
Voluntary dismissal
Plaintiff dismissed unilaterally under Rule 41(a)(1)(A)(i); public record silent on with/without prejudice
Cost ruling
Each party
Each party bears its own costs, expenses, and attorneys' fees
Published by PatSnap Insights Team · Verified by PatSnap Eureka Data
Case overview

A pre-answer dismissal that raises more questions than it answers

On 23 November 2022, Cedar Lane Technologies, Inc. filed an infringement action against Hertz Global Holdings, Inc. in the Western District of Texas before Judge Alan D. Albright. The suit asserted two patents — US6972790B2 and US8537242B2 — both directed to host interface technology for imaging arrays, a product category with relevance to vehicle fleet management and camera-based systems.

On 29 March 2023, just 126 days after filing, Cedar Lane filed a notice of voluntary dismissal pursuant to Rule 41(a)(1)(A)(i). The order specifies that each party shall bear its own costs, expenses, and attorneys' fees. Because Hertz had not yet answered the complaint or moved for summary judgment, the dismissal was available to Cedar Lane as of right — no court order was required.

The speed of resolution and the pre-answer timing are notable. Dismissals at this stage can reflect a private settlement reached before formal litigation costs escalated, a licensing arrangement, or a strategic reassessment by the plaintiff — but the public record does not disclose the reason. The mutual fee-bearing provision is consistent with a negotiated exit, though it does not confirm one.

See Complete Case & Patent Analysis →
Case at a glance
CourtTexas Western District Court
JudgeAlan D Albright
FiledNovember 23, 2022
ClosedMarch 29, 2023
Duration126 days
OutcomeVoluntary dismissal
Verdict causeInfringement Action
BasisVoluntary dismissal
Prior Art Intelligence
See what prior art exists on this patent.
Eureka scans millions of patents and papers to surface prior art that may have invalidated these claims before costly litigation begins.
Check Prior Art
Case data sourced from PACER / Texas Western District Court via PatSnap Eureka Litigation Intelligence Explore similar cases ↗
Case timeline

Filing to Voluntary dismissal in 126 days

126 days — resolved before defendant filed an answer

Case timeline: Complaint filed NOV 23 2022 — 126 days total Horizontal timeline showing the three key events in Cedar Lane Technologies, Inc. v Hertz Global Holdings, Inc. from filing to resolution. Source: PACER, Texas Western District Court. NOV 23 2022 Complaint filed Pre-trial proceedings MAR 29 2023 Voluntary dismissal 126 DAYS TOTAL
Patent at issue

US6972790B2 & US8537242B2 — Host Interface for Imaging Arrays

Publication No.US6972790B2
Application No.US09/742723
Patent details
ProductHost interface architecture for imaging array systems
Cited in actionNovember 23, 2022

Publication No.US8537242B2
Application No.US11/259791
Patent details
ProductImaging array interface circuits and control methods
Cited in actionNovember 23, 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 and US8537242B2?

Any company developing or deploying products that incorporate host interface circuitry for imaging arrays — including vehicle cameras, security systems, industrial vision equipment, or consumer imaging devices — should treat these patents as active risk vectors. The absence of any claim construction record from this case means the scope of the asserted claims remains untested in litigation, increasing uncertainty for product teams.

Run FTO in Eureka
Patent data sourced from USPTO via PatSnap Eureka patent database Search patent records in Eureka ↗
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-01216, Texas Western District Court

The dismissal notice invokes Rule 41(a)(1)(A)(i), confirming it was filed before Hertz served an answer or summary judgment motion. The fee-bearing clause — each party covers its own costs — is a standard provision in pre-answer exits and does not itself indicate the presence or absence of a settlement. No claim construction, validity analysis, or infringement finding appears in the record, leaving the legal scope of both asserted patents entirely unresolved by this proceeding.

PACER case 6:22-cv-01216 · Public docket record Explore in Eureka ↗
Dismissal terms

Voluntarily dismissed: what the Rule 41 exit means for both parties

Legal mechanism

Rule 41(a)(1)(A)(i): dismissal as of right, no court order needed

Under Rule 41(a)(1)(A)(i), a plaintiff may dismiss an action without a court order by filing a notice before the defendant has served an answer or a motion for summary judgment. Cedar Lane exercised this right on 29 March 2023. Because Hertz had not yet answered, the dismissal was unilateral and self-executing upon filing.

Pre-answer voluntary dismissal
With or without prejudice?

The public record does not specify prejudice status

The Basis of Termination is recorded as 'Voluntary dismissal' without specifying whether it was with or without prejudice. The distinction matters: a dismissal with prejudice bars refiling; without prejudice leaves the door open. The verdict text references Rule 41(a)(1)(A)(i) and notes each party bears its own fees, but does not resolve this question on the face of the public docket. Practitioners should consult the original notice directly.

Prejudice status unclear from public record
Defendant outcome

Hertz exits without admitting infringement or incurring fee liability

Hertz Global Holdings never filed an answer or substantive motion, meaning no merits determination was made. The fee-neutral outcome means Hertz bears no court-ordered cost exposure from this litigation. Whether any private commercial terms — such as a licensing agreement — accompanied the dismissal is not disclosed in the public record.

No merits ruling; no fee order
Commercial implications

Pre-answer resolution limits public claim-scope intelligence

Because the case resolved before any claim construction briefing, Markman hearing, or substantive motion practice, there is no judicial record interpreting the scope of US6972790B2 or US8537242B2. Companies operating in the imaging array and vehicle fleet camera space receive no public guidance on infringement boundaries from this proceeding. The patents remain in force and available for future assertion.

Patents uninterpreted; remain enforceable
Legal analysis based on PACER docket records for case 6:22-cv-01216 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 and US8537242B2 (imaging array host interface)Search in Eureka ↗
DefendantHertz Global Holdings, Inc.CompanyHertz Global Holdings, Inc. — multinational vehicle rental 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 ↗
Presiding judgeJudge Alan D AlbrightJudgeTexas Western District CourtSearch in Eureka ↗
R&D signals

R&D signals in the imaging array host interface space

Forward-looking patent and innovation intelligence derived from Cedar Lane Technologies v. Hertz Global Holdings — covering imaging array interfaces, fleet camera systems, and adjacent technology white space.

Patent portfolio

Cedar Lane's imaging interface portfolio: how deep does it go?

Cedar Lane asserted two patents in this action but may hold additional patents in the imaging array or camera interface domain. Mapping the full Cedar Lane portfolio — including continuations, divisionals, and related applications — can reveal the breadth of the enforcement risk and identify whether any claims cover next-generation interface standards such as MIPI CSI-2 or USB3 Vision.

PAE portfolio mapping
Technology landscape

Filing trends in camera host interface and imaging bus protocols

Patent filing activity around imaging array host interfaces has accelerated alongside ADAS, autonomous vehicle, and machine vision adoption. Tracking claim-level trends in interface protocol patents — particularly around serialiser/deserialiser architectures, MIPI and GMSL standards — can help R&D teams identify crowded claim spaces and design-around opportunities before committing to new silicon or firmware architectures.

ADAS imaging IP trends
Defendant IP posture

Hertz's own IP position in fleet camera and telematics

Hertz Global Holdings operates large-scale vehicle fleets increasingly equipped with camera and telematics systems. Examining whether Hertz or its technology suppliers hold patents in fleet imaging, ADAS integration, or vehicle sensor interfaces can inform competitive IP positioning and signal whether the company is shifting from a purely defensive IP posture to a more active one.

Fleet camera IP posture
White space opportunity

Adjacent white space: AI-accelerated imaging pipeline interfaces

As imaging arrays are increasingly paired with on-device AI accelerators and NPUs, the host interface layer is evolving beyond traditional MIPI and USB standards. Patent filings at the intersection of imaging array readout, in-pipeline inference, and low-latency host communication remain relatively sparse — suggesting a white-space opportunity for R&D teams building next-generation edge vision hardware.

Edge AI imaging white space
Related litigation

Similar imaging array patent infringement cases in W.D. Texas

Explore related patent infringement actions involving imaging array and host interface technology filed in the Western District of Texas before Judge Albright.

🔍
Access 40+ similar cases in PatSnap Eureka
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 array cases W.D. TexasCedar Lane related filingsHost interface patent disputesPre-answer dismissals Judge Albright
Unlock similar cases in Eureka →
Strategic implications

What this case signals for the imaging array IP landscape

A fast pre-answer exit in W.D. Texas often signals leverage-driven enforcement. Companies in camera and imaging system supply chains should take note.

Pre-answer dismissals in W.D. Texas frequently follow licensing discussions

When a plaintiff dismisses before the defendant answers — especially within 126 days — it is consistent with a private resolution, potentially a licence or covenant not to sue. Companies in the imaging and fleet-camera space should assess whether Cedar Lane is systematically licensing these patents across the sector.

US6972790B2 and US8537242B2 remain uninterpreted and enforceable

No Markman ruling or invalidity finding emerged from this case. Both patents retain their full claim scope and can be asserted again. Any company whose products involve host interfaces for imaging arrays — including automotive, security, and fleet management hardware — faces potential exposure without a formal FTO analysis.

🔒
Full strategic analysis in PatSnap Eureka
Unlock full patent enforcement strategy analysis for this imaging array dispute in W.D. Texas district court.
Cedar Lane assertion historyFleet camera IP exposure mapIndemnification risk signals
Unlock full analysis →
Analysis powered by PatSnap Eureka Litigation Intelligence Explore in Eureka ↗
Frequently asked questions

Cedar v Hertz — key questions answered

Still have questions? PatSnap Eureka can answer them instantly from patent and litigation data. Ask Eureka ↗
PatSnap Eureka

Don't wait for a demand letter — run your imaging array FTO now

Cedar Lane's patents remain active and unchallenged on the merits. Use PatSnap Eureka to map your product exposure against US6972790B2 and US8537242B2 and monitor Cedar Lane's enforcement activity across the sector.

Ask anything about this case.
PatSnap Eureka searches patents and litigation data to answer instantly.
Powered by PatSnap Eureka
Link copied to clipboard

Related Litigation Cases

Help us improve this page

Found incorrect or outdated information? Let us know and we'll get it fixed.