Fleet Connect Solutions LLC v. JJ Keller & Associates Inc

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: Fleet Connect Solutions LLC (Texas)
  • Defendant: J.J. Keller & Associates, Inc. (Wisconsin)
  • Plaintiff’s Counsel: Rozier Hardt McDonough PLLC
• Case Identification: 1:25-cv-00853, E.D. Wis., 03/05/2026
• Venue Allegations: Plaintiff alleges venue is proper in the Eastern District of Wisconsin because Defendant maintains established and regular places of business in Neenah, Wisconsin, employs individuals within the district, and has committed alleged acts of infringement in the district.
• Core Dispute: Plaintiff alleges that Defendant’s fleet management platforms, telematics devices, and tracking solutions infringe thirteen U.S. patents related to wireless communication technologies, mobile device management, and vehicle tracking systems.
• Technical Context: The technology at issue pertains to vehicle telematics and fleet management, a market-critical domain for logistics, transportation safety, and regulatory compliance.
• Key Procedural History: This action was initiated via a First Amended Complaint. The complaint alleges post-suit knowledge for willfulness and indirect infringement claims, suggesting no pre-suit notice was provided. No prior litigation or administrative proceedings involving the asserted patents are mentioned.

Case Timeline

Date	Event
1999-09-10	Earliest Priority Date for ’270 Patent
2000-09-18	Earliest Priority Date for ’586 Patent
2001-02-21	Earliest Priority Date for ’583 Patent and '616 Patent
2001-09-21	Earliest Priority Date for ’040 Patent and ’845 Patent
2002-11-04	Earliest Priority Date for ’837 Patent
2003-04-15	Issue Date for U.S. Patent No. 6,549,583
2003-04-28	Earliest Priority Date for ’153 Patent
2003-10-06	Earliest Priority Date for ’723 Patent
2003-10-14	Issue Date for U.S. Patent No. 6,633,616
2003-11-11	Issue Date for U.S. Patent No. 6,647,270
2004-10-29	Earliest Priority Date for ’751 Patent and '581 Patent
2005-07-20	Earliest Priority Date for ’388 Patent
2005-11-01	Issue Date for U.S. Patent No. 6,961,586
2006-06-06	Issue Date for U.S. Patent No. 7,058,040
2006-08-15	Issue Date for U.S. Patent No. 7,092,723
2007-04-17	Issue Date for U.S. Patent No. 7,206,837
2007-08-21	Issue Date for U.S. Patent No. 7,260,153
2008-06-20	Earliest Priority Date for ’968 Patent
2009-09-29	Issue Date for U.S. Patent No. 7,593,751
2010-02-02	Issue Date for U.S. Patent No. 7,656,845
2010-06-22	Issue Date for U.S. Patent No. 7,742,388
2010-06-22	Issue Date for U.S. Patent No. 7,741,968
2010-11-30	Certificate of Correction Issued for ’845 Patent
2013-06-25	Certificate of Correction Issued for ’586 Patent
2013-07-23	Issue Date for U.S. Patent No. 8,494,581
2026-03-05	Complaint Filing Date

II. Technology and Patent(s)-in-Suit Analysis

U.S. Patent No. 7,058,040 - "Channel Interference Reduction"

The Invention Explained

• Problem Addressed: The patent describes the problem of radio frequency (RF) interference that occurs when different wireless communication standards, such as Bluetooth and IEEE 802.11, operate in the same unlicensed frequency band (e.g., 2.4 GHz) and in close proximity to each other, which can cause data corruption and require retransmission (’040 Patent, col. 1:15-32).
• The Patented Solution: The invention proposes a method for managing data transmission over two such overlapping media by treating them as a shared resource pool (’040 Patent, abstract). It computes Time Division Multiple Access (TDMA) time-slots that can be shared between the two media, allocates slots to each, and then dynamically adjusts the number of slots assigned to each medium during transmission to maintain a desired level of service (’040 Patent, col. 2:4-14).
• Technical Importance: This approach provides a framework for enabling the coexistence of multiple, otherwise-conflicting wireless protocols in crowded radio-frequency spectrum.

Key Claims at a Glance

• The complaint asserts at least independent claim 1 (Compl. ¶33).
• The essential elements of claim 1 include:
  • Computing one or more TDMA time-slot channels to be shared between first and second media that overlap in frequency.
  • Allocating one or more time-slot channels to the first medium.
  • Allocating one or more remaining time-slot channels to the second medium.
  • Dynamically adjusting the number of time-slot channels assigned to one of the media during data transmission to remain within limits of a desired level of service.
• The complaint does not explicitly reserve the right to assert dependent claims.

U.S. Patent No. 7,742,388 - "Packet Generation Systems and Methods"

The Invention Explained

• Problem Addressed: The patent background discusses the general field of digital communications and the demand for higher data rates in wireless networks, implying a need for methods that increase bandwidth while potentially maintaining some compatibility with existing protocols (’388 Patent, col. 1:13-18).
• The Patented Solution: The invention describes a method for increasing a communication packet's data rate by modifying its structure (’388 Patent, abstract). A standard-sized packet, which includes a preamble with two training symbols, is enlarged by adding extra subcarriers to the second training symbol, creating an "extended packet" that can carry more data (’388 Patent, abstract; ’388 Patent, col. 1:19-27).
• Technical Importance: This technique offers a method to boost data throughput in wireless systems by extending existing packet structures rather than requiring a completely new protocol.

Key Claims at a Glance

• The complaint asserts at least independent claim 1 (Compl. ¶44).
• The essential elements of claim 1 include:
  • Generating a packet with a size corresponding to a network protocol, the packet comprising a preamble with a first and a second training symbol.
  • Increasing the packet's size by adding subcarriers to the second training symbol to produce an extended packet.
  • The quantity of subcarriers in the modified second training symbol is greater than the quantity in the first training symbol.
  • Transmitting the extended packet from an antenna.
• The complaint does not explicitly reserve the right to assert dependent claims.

U.S. Patent No. 7,656,845 - "Channel Interference Reduction"

• Technology Synopsis: The patent addresses improving the function and operation of wireless communication systems with a mobile unit (Compl. ¶59). It discloses a method where a base station allocates a plurality of data channels to a first medium and remaining channels to a second medium, then dynamically adjusts the allocation during transmission to maintain a desired level of service (Compl. ¶63).
• Asserted Claims: At least claim 1 (Compl. ¶62).
• Accused Features: The Accused Products are alleged to perform the claimed method of allocating and dynamically adjusting data channels between two media for transmission via a wireless device (Compl. ¶63).

U.S. Patent No. 7,260,153 - "Multi Input Multi Output Wireless Communication Method and Apparatus Providing Extended Range and Extended Rate Across Imperfectly Estimated Channels"

• Technology Synopsis: This patent relates to improving the function of voice and data communications systems, specifically in multiple-input multiple-output (MIMO) wireless systems (Compl. ¶70). The invention is a method for evaluating a MIMO channel by defining a channel matrix metric related to cross-talk, performing a singular value decomposition (SVD) on an estimated channel matrix, and calculating a crosstalk measure (Compl. ¶74).
• Asserted Claims: At least claim 1 (Compl. ¶73).
• Accused Features: The Accused Products are alleged to perform the claimed method of evaluating a MIMO channel, including performing an SVD of an estimated channel matrix (Compl. ¶74).

U.S. Patent No. 6,633,616 - "OFDM Pilot Tone Tracking"

• Technology Synopsis: The patent concerns improving methods of generating a pilot phase error metric in orthogonal frequency division multiplexed (OFDM) receivers (Compl. ¶81). The claimed method involves pilot phase error estimation by determining pilot reference points from a preamble, processing the preamble with a fast Fourier transform (FFT), and then determining a phase error estimate for a subsequent symbol relative to those points, with parallel processing paths for the preamble and the subsequent symbol (’616 Patent, abstract; Compl. ¶85).
• Asserted Claims: At least claim 12 (Compl. ¶84).
• Accused Features: The Accused Products are alleged to perform the claimed method of pilot phase error estimation in an OFDM receiver, using parallel processing paths for determining a phase error estimate and processing a subsequent symbol (Compl. ¶85).

U.S. Patent No. 6,549,583 - "Optimum Phase Error Metric for OFDM Pilot Tone Tracking in Wireless LAN"

• Technology Synopsis: This patent aims to improve pre-existing error estimation methods in OFDM receivers (Compl. ¶92). The solution involves estimating an aggregate phase error of an OFDM data symbol by determining pilot reference points from a preamble and using complex signal measurements from subsequent pilots, where the estimation is based on a maximum likelihood approach (’583 Patent, abstract; Compl. ¶96).
• Asserted Claims: At least claim 1 (Compl. ¶95).
• Accused Features: Defendant is accused of performing the claimed method of pilot phase error estimation using a maximum likelihood-based estimation on complex signal measurements (Compl. ¶96).

U.S. Patent No. 7,206,837 - "Intelligent Trip Status Notification"

• Technology Synopsis: The patent relates to voice and data communications systems, with a method for estimating arrival times for a mobile device (Compl. ¶103). The method involves receiving the location of a mobile device in transit, estimating time-of-arrival bounds based on that location and historical travel time statistics, and sending the bounds to the device (Compl. ¶107).
• Asserted Claims: At least claim 1 (Compl. ¶106).
• Accused Features: The Accused Products are alleged to perform the claimed method of receiving a location, estimating time-of-arrival bounds using historical data, and sending those bounds to a mobile device (Compl. ¶107).

U.S. Patent No. 7,593,751 - "Conducting Field Operations Using Handheld Data Management Devices"

• Technology Synopsis: This patent addresses methods for executing field operations using handheld devices (Compl. ¶114). The invention is a method for managing data during a field operation, which comprises providing a user with a handheld device containing specific hardware (GPS, wireless module) and software modules for finding a location, collecting industry-specific data, and communicating with a remote server (Compl. ¶118).
• Asserted Claims: At least claim 6 (Compl. ¶117).
• Accused Features: The Accused Products are alleged to perform the claimed method by providing a handheld device with the specified components and enabling a user to access instructions for navigation, data collection, and remote communication (Compl. ¶118).

U.S. Patent No. 6,961,586 - "Field Assessments Using Handheld Data Management Devices"

• Technology Synopsis: The patent relates to methods for executing field operations using handheld devices (Compl. ¶125). The claimed method involves conducting a field assessment by providing a user with access to an industry-specific program module for executing assessments (e.g., construction analysis, HVAC analysis), providing field-specific information to the module, and retrieving data via the device (’586 Patent, abstract; Compl. ¶129).
• Asserted Claims: At least claim 9 (Compl. ¶128).
• Accused Features: The Accused Products are alleged to perform this method by providing access to an industry-specific field assessment program module and enabling the execution and data retrieval steps (Compl. ¶129).

U.S. Patent No. 8,494,581 - "System and Methods for Management of Mobile Field Assets via Wireless and Held Devices"

• Technology Synopsis: The patent addresses systems for collecting and communicating field data based on geographical location (Compl. ¶136). The invention is an apparatus comprising means for two-way communication between a server and a handheld device, means for accessing a program on the server, means for managing collected data, and means for determining and communicating the device’s geographic location (Compl. ¶¶140-141).
• Asserted Claims: At least claims 21 and 22 (Compl. ¶139).
• Accused Features: The Accused Products are alleged to be an apparatus comprising the claimed means for establishing communication, accessing programs, managing data, and determining/communicating geographic location (Compl. ¶¶140-141).

U.S. Patent No. 6,647,270 - "Vehicletalk"

• Technology Synopsis: The patent relates to mobile communications and tracking systems (Compl. ¶148). The invention is a system for transmitting data packets between remote units, where each unit includes a memory for a unique ID, a transceiver, a GPS receiver, and a microprocessor that constructs data packets including sender/receiver information derived from the unique ID and GPS position signal (’270 Patent, abstract; Compl. ¶152).
• Asserted Claims: At least claim 1 (Compl. ¶151).
• Accused Features: The Accused Products are alleged to comprise the claimed system, including a remote unit with memory, a transceiver, a GPS receiver, and a microprocessor for constructing data packets with sender and receiver information (Compl. ¶152).

U.S. Patent No. 7,092,723 - "System and Method for Communicating Between Mobile Units"

• Technology Synopsis: The patent concerns methods of generating packets in a digital communications system for vehicles (Compl. ¶159). The invention is a vehicle configured for data communications, comprising a GPS receiver and a remote unit with a memory, transceiver, and microprocessor for generating data packets that include a unique identifier and position-derived information (’723 Patent, abstract; Compl. ¶163).
• Asserted Claims: At least claim 1 (Compl. ¶162).
• Accused Features: The Accused Products are alleged to comprise the claimed vehicle system, including a GPS receiver and a remote unit with components for generating data packets containing unique identifiers and position data (Compl. ¶163).

U.S. Patent No. 7,741,968 - "System and Method for Navigation Tracking of Individuals in a Group"

• Technology Synopsis: The patent describes a method for permissive navigational tracking (Compl. ¶170). The claimed method involves a portable hand-held device receiving and displaying geographic location data from a group of individuals, sending converging instructions to at least one individual, and generating ETAs for the convergence (’968 Patent, abstract; Compl. ¶174).
• Asserted Claims: At least claim 4 (Compl. ¶173).
• Accused Features: The Accused Products are alleged to perform the method of tracking a group, including receiving and displaying location data, sending converging instructions, and generating ETAs (Compl. ¶174).

III. The Accused Instrumentality

Product Identification

The complaint identifies the accused instrumentalities as the “J.J. Keller” fleet management platform and tracking solutions (the “Accused Products”) (Compl. ¶20). Specific products named include the J.J. Keller Telematics Device, Road Cam, Road & Driver Cam (DASH CAM PRO220), Encompass Fleet Management System, FleetMentor Service, Encompass Vehicle Tracking, and various driver apps and telematics devices (Compl. ¶20).

Functionality and Market Context

• The Accused Products are alleged to perform wireless communications using protocols including Bluetooth, IEEE 802.11, and LTE (Compl. ¶21). Their functionality is described as generating and transmitting data packets, encoding data, performing singular value decomposition (SVD) of channel matrices, processing orthogonal frequency division multiplexed (OFDM) symbols, and performing error estimation in OFDM receivers (Compl. ¶¶22-23).
• The complaint frames the Accused Products as a suite of "fleet management platform and tracking solutions," indicating they are marketed to the commercial and industrial transportation and logistics sectors (Compl. ¶20). No specific allegations regarding market share or commercial success are provided.
• No probative visual evidence provided in complaint.

IV. Analysis of Infringement Allegations

The complaint references Exhibits A-M as Preliminary Infringement Contentions but does not include them (Compl. ¶20). The analysis below is based on the narrative infringement summaries provided for each count in the body of the complaint.

’040 Patent Infringement Allegations

Claim Element (from Independent Claim 1)	Alleged Infringing Functionality	Complaint Citation	Patent Citation
a method for data transmission over first and second media that overlap in frequency	The Accused Products perform wireless communications using protocols such as Bluetooth and IEEE 802.11, which can operate in overlapping frequency bands.	¶34; ¶21	col. 1:15-24
computing one or more time division multiple access (TDMA) time-slot channels to be shared between the first and second media	The Accused Products allegedly compute TDMA time-slot channels to be shared between the two media for data transmission.	¶34	col. 2:6-9
allocating one or more time-slot channels to the first medium for data transmission	The Accused Products are alleged to allocate one or more of the computed time-slot channels to the first medium.	¶34	col. 2:9-10
allocating one or more of the remaining time-slot channels to the second medium for data transmission	The Accused Products are alleged to allocate remaining time-slot channels to the second medium.	¶34	col. 2:10-12
dynamically adjusting a number of time-slot channels assigned to one of the first and second media...to remain within limits of a desired level of service	The Accused Products are alleged to dynamically adjust the number of time-slot channels assigned to the media during data transmission.	¶34	col. 2:12-14

Identified Points of Contention (’040 Patent)

• Scope Questions: A central question may be the construction of the term "media." The infringement theory appears to depend on whether two different wireless protocols (e.g., Bluetooth and 802.11) operating in the same frequency band qualify as distinct "media" under the patent's claims (Compl. ¶21; Compl. ¶34). Another question may be the scope of "dynamically adjusting," including the conditions under which such adjustment must occur to meet the claim limitation.
• Technical Questions: A key factual question will be what evidence demonstrates that the Accused Products actually "compute...TDMA time-slot channels" and "allocate" them between different protocols as claimed, rather than using other known coexistence or channel-sharing mechanisms.

’388 Patent Infringement Allegations

Claim Element (from Independent Claim 1)	Alleged Infringing Functionality	Complaint Citation	Patent Citation
generating a packet with a size corresponding to a protocol...wherein the packet comprises a preamble having a first training symbol and a second training symbol	The Accused Products are alleged to generate packets for network transmission.	¶45; ¶22	col. 1:19-22
increasing the size of the packet by adding subcarriers to the second training symbol...to produce an extended packet	The Accused Products are alleged to increase the size of the packet by adding subcarriers to the second training symbol.	¶45	col. 1:22-24
wherein a quantity of subcarriers of the second training symbol is greater than a quantity of subcarriers of the first training symbol	The allegation implies this condition is met by the Accused Products' "extended packet."	¶45	col. 1:24-27
transmitting the extended packet from an antenna	The Accused Products are alleged to transmit the resulting extended packet.	¶45; ¶22	col. 1:27

Identified Points of Contention (’388 Patent)

• Scope Questions: The construction of "adding subcarriers to the second training symbol" will be critical. The dispute may focus on whether the accused packet-generation method technically constitutes "adding" subcarriers in the manner described by the patent, or if it uses a fundamentally different structure that falls outside the claim's scope.
• Technical Questions: A factual question will be whether the packet structure used by the Accused Products includes a "preamble having a first training symbol and a second training symbol" and whether subcarriers are specifically added to the second training symbol as required by the claim, as opposed to being added elsewhere in the packet or representing a different mode of operation entirely.

V. Key Claim Terms for Construction

The Term: "media" (from claim 1 of the ’040 Patent)

• Context and Importance: The infringement theory for the ’040 Patent (and the related ’845 Patent) appears to hinge on interpreting "first and second media" to include distinct wireless protocols like Bluetooth and IEEE 802.11 that operate in the same unlicensed band (Compl. ¶21; Compl. ¶34). Practitioners may focus on this term because its construction will determine whether the patent's channel-sharing method reads on systems that manage coexistence between different communication standards.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The patent's background discusses interference between Bluetooth and 802.11, which may support an interpretation that "media" can refer to these different protocols (’040 Patent, col. 1:15-32). The claims use the general term "media" without expressly limiting it to channels within a single protocol.
  • Evidence for a Narrower Interpretation: The specification or prosecution history may contain definitions or examples that limit "media" to more specific contexts, such as different frequency channels within a single system. Without the prosecution history, analysis is limited to the patent's text, which appears to support the broader context of protocol coexistence.

The Term: "adding subcarriers to the second training symbol" (from claim 1 of the ’388 Patent)

• Context and Importance: This phrase describes the core technical step of the claimed invention for increasing packet size and data rate. The infringement determination will likely depend on whether the accused devices' method for generating higher-rate packets technically aligns with this specific structural modification.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The patent abstract describes the invention broadly as "increasing the size of the packet by adding subcarriers to the second training symbol of the packet to produce an extended packet" (’388 Patent, abstract). This general language could be argued to cover various methods of packet extension.
  • Evidence for a Narrower Interpretation: The detailed description and figures of the ’388 Patent may illustrate specific ways in which subcarriers are "added" or how the "second training symbol" is constructed. These specific embodiments could be used to argue for a narrower construction that excludes the particular implementation used in the Accused Products.

VI. Other Allegations

Indirect Infringement

The complaint alleges induced and contributory infringement for at least the ’388 and ’968 patents (Compl. ¶¶47-49; Compl. ¶¶176-178). The allegations are based on Defendant's post-suit knowledge of the patents and activities such as providing the Accused Products, advertising, and distributing instructions that allegedly guide users to infringe (Compl. ¶48; Compl. ¶177). The complaint also alleges the products contain "special features" that are not "staple articles of commerce suitable for substantial non-infringing use" (Compl. ¶49; Compl. ¶178).

Willful Infringement

Willfulness is alleged for at least the ’388 and ’968 patents, based on alleged "objectively reckless" conduct following notification of the lawsuit (Compl. ¶51; Compl. ¶180). The complaint further alleges a "policy or practice of not reviewing the patents of others," which it characterizes as willful blindness (Compl. ¶50; Compl. ¶179).

VII. Analyst’s Conclusion: Key Questions for the Case

• Definitional Scope: A primary issue will be one of claim construction, particularly for the '040 patent family. Can the term "media," as used in the context of 2001-era wireless technology, be construed to cover the coexistence management of distinct modern protocols like IEEE 802.11 and Bluetooth operating in the same frequency band?
• Technical Equivalence: A central evidentiary question for patents like the '388 and '153 will be one of functional and structural mapping. Does the accused technology perform the highly specific technical operations required by the claims—such as "adding subcarriers to the second training symbol" or performing "singular value decomposition"—or is there a fundamental mismatch in technical operation that places the Accused Products outside the claims' scope?
• Breadth of Infringement: A key strategic question will be whether a single, integrated product line can be proven to infringe such a large and technologically diverse portfolio of thirteen patents. The case may turn on Plaintiff’s ability to demonstrate that Defendant’s systems practice a wide range of distinct inventions, from low-level signal processing to high-level application methods for group navigation and time-of-arrival estimation.