DCT

1:26-cv-00941

Velocity Communication Tech LLC v. Honeywell Intl Inc

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Amended Complaint
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I. Executive Summary and Procedural Information

  • Parties & Counsel:
  • Case Identification: 1:26-cv-00941, D. Del., 10/08/2026
  • Venue Allegations: Venue is alleged to be proper as to Honeywell because it is organized and existing under the laws of Delaware. Venue is alleged to be proper as to Brady Worldwide because it has consented to venue in the District for the purposes of this action.
  • Core Dispute: Plaintiff alleges that Defendants’ rugged mobile computers, tablets, and wearable mobile computer devices that comply with the Wi-Fi 6, Wi-Fi 6E, and Wi-Fi 7 standards infringe eleven U.S. patents related to wireless communication technologies.
  • Technical Context: The patents relate to foundational technologies for high-efficiency wireless local area networks (WLANs), particularly innovations allegedly incorporated into the IEEE 802.11ax (Wi-Fi 6) standard, which is critical for supporting high-capacity, high-throughput wireless communication in dense device environments.
  • Key Procedural History: The complaint alleges Honeywell sold the business line responsible for the accused products to Brady Worldwide, with the transaction closing on or about August 3, 2026. Plaintiff notes that it has previously asserted most of the patents-in-suit against other major manufacturers of Wi-Fi 6 products. The complaint also cites several orders from the U.S. District Court for the Eastern District of Texas in which § 101 patent eligibility challenges against the '213, '832, '343, '870, '765, '401, and '096 patents were denied at the pleading stage, which may influence how similar challenges are handled in this case.

Case Timeline

Date Event
2004-12-20 ’343 Patent Priority Date
2005-12-07 ’573 Patent Priority Date
2007-03-23 ’570 Patent Priority Date
2007-08-28 ’832 Patent Priority Date
2007-10-15 ’870, ’765, ’401, ’096 Patents Priority Date
2008-09-15 ’213 Patent Priority Date
2010-04-05 ’577 Patent Priority Date
2012-06-29 ’648 Patent Priority Date
2012-07-03 ’870 Patent Issue Date
2012-08-07 ’832 Patent Issue Date
2012-09-04 ’213 Patent Issue Date
2012-09-11 ’573 Patent Issue Date
2012-09-18 ’343 Patent Issue Date
2014-02-04 ’765 Patent Issue Date
2014-03-18 ’570 Patent Issue Date
2015-07-14 ’401 Patent Issue Date
2016-09-13 ’577 Patent Issue Date
2017-03-14 ’648 Patent Issue Date
2019-02-05 ’096 Patent Issue Date
2020-09-29 NXP submits Letter of Assurance to IEEE for 802.11ax patents
2021-02-09 IEEE 802.11ax Standard receives final approval
2024-03-04 ZTE submits Letter of Assurance to IEEE for 802.11ax patents
2025-07-01 Velocity files suit against other sellers of Wi-Fi 6 devices (approx. date)
2026-08-03 Honeywell completes sale of accused business line to Brady Worldwide
2026-10-08 Complaint Filing Date

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

U.S. Patent No. 8,675,570 - "Scalable OFDM and OFDMA Bandwidth Allocation in Communication Systems"

The Invention Explained

  • Problem Addressed: The patent addresses the problem of spectral inefficiency in wireless communication systems like Orthogonal Frequency Division Multiplexing (OFDM) Compl. ¶34 Conventional systems used non-data-bearing "guard bands" between frequency channels to prevent interference, which created wasteful gaps in the usable spectrum and limited data capacity Compl. ¶¶34-35
  • The Patented Solution: The invention proposes a method for allocating spectral bandwidth that involves using a "common, precisely chosen subcarrier spacing that is mathematically aligned with both the channel raster and all nominal channel bandwidths" Compl. ¶37 This precise alignment allows multiple carriers to be aggregated with reduced or eliminated guard bands, which minimizes inter-carrier interference and improves spectral efficiency ’570 Patent, col. 6:27-34 Compl. ¶37
  • Technical Importance: This approach enabled more flexible and dense bandwidth allocation, improving the data capacity and operational efficiency of wireless networks by maximizing the use of limited spectrum Compl. ¶39

Key Claims at a Glance

  • The complaint asserts infringement of at least claims 1, 2, 3, 4, 5, 6, 9, 12, and 13 Compl. ¶181 Claim 1 is an independent method claim.
  • The essential elements of independent claim 1 include:
    • choosing a common subcarrier spacing of orthogonal subcarriers to evenly divide a given nominal carrier bandwidth;
    • selecting a sampling frequency that is equal to or greater than the given nominal channel bandwidth; and
    • using subcarriers within the given nominal channel bandwidth for signal transmission without assigning subcarriers as guard subcarriers at both ends of the given nominal channel bandwidth of the carrier.
  • The complaint reserves the right to assert other claims Compl. ¶183

U.S. Patent No. 8,260,213 - "Method and Apparatus to Adjust a Tunable Reactive Element"

The Invention Explained

  • Problem Addressed: The patent addresses the problem of "impedance mismatch and reactance drift" in wireless radio frequency (RF) transmission systems ’213 Patent, col. 1:19-21 Compl. ¶45 This drift, caused by factors like temperature changes or residual polarization, can lead to poor power transfer, signal distortion, and reduced transmitted power ’213 Patent, col. 1:25-26 Compl. ¶45
  • The Patented Solution: The invention provides an adaptive tuning architecture that dynamically adjusts antenna system components in real time Compl. ¶48 It employs a reactance detection circuit to monitor the transmitted signal and an error correction circuit to detect any drift from a desired reactance, generating a correction signal to keep the antenna system optimally tuned ’213 Patent, Figs. 5-6 Compl. ¶49 Compl. ¶55
  • Technical Importance: This solution provides a concrete technological benefit by enabling the RF front-end to maintain a desired reactive state across a wide range of operating frequencies and conditions, thereby improving power transfer efficiency and modulation accuracy in a way not achieved by prior art that relied on static tuning Compl. ¶57

Key Claims at a Glance

  • The complaint asserts infringement of at least claims 1, 2, 3, 4, 6, 8, 9, 10, 12, 13, 14, 16, and 17 Compl. ¶199 Claim 1 is an independent device claim.
  • The essential elements of independent claim 1 include:
    • a first tunable reactive element;
    • a signal source coupled to the element to generate a first signal;
    • a reactance detection circuit to detect the element's reactance from the first signal and generate a second signal representing the measured reactance; and
    • an error correction circuit to receive a control signal for a desired reactance, compare it to the second signal to detect a drift, and generate a third signal to adjust the element's reactance to the desired value.
  • The complaint reserves the right to assert other claims Compl. ¶201

U.S. Patent No. 8,238,832 - "Antenna Optimum Beam Forming for Multiple Protocol Coexistence on a Wireless Device"

  • Technology Synopsis: The patent addresses signal interference (crosstalk) that occurs when a single wireless device must simultaneously communicate with multiple remote devices using different wireless protocols Compl. ¶63 The patented solution is a method for generating and shaping multiple antenna beam patterns that not only direct a signal to its intended recipient but also actively suppress signal strength in the direction of other simultaneous communications, thereby enabling reliable, distinct communication paths Compl. ¶66
  • Asserted Claims: Claims 18, 22, 23, 25, 26, 27, 28, 29, 30, 31, 32, 34, and 35 Compl. ¶217
  • Accused Features: The accused products are alleged to infringe when operating as Access Points compliant with the IEEE 802.11ax standard Compl. ¶214

U.S. Patent No. 8,270,343 - "Broadcasting of Textual and Multimedia Information"

  • Technology Synopsis: The patent addresses the inefficient transmission of mixed-media content (containing both textual and multimedia information), which conventional methods treated as a single large entity Compl. ¶77 The patented solution involves packaging a single block of text with multiple sub-blocks of related multimedia data into time-sliced packets, enabling simultaneous and efficient transmission of different data types Compl. ¶78
  • Asserted Claims: Claims 1, 3, 7, 10, 11, 13, and 15 Compl. ¶235
  • Accused Features: The accused products are alleged to infringe by practicing the 802.11ax standard Compl. ¶232 Compl. ¶235

U.S. Patent No. 8,213,870 - "Beamforming Using Predefined Spatial Mapping Matrices"

  • Technology Synopsis: The patent claims improvements to Multiple Input Multiple Output (MIMO) systems by addressing deficiencies in prior art sounding processes Compl. ¶92 The solution involves storing a codebook of predefined spatial mapping matrices, sequentially transmitting data packets using different matrices, and selecting a subsequent matrix based on measured reception quality, such as packet-error-rate Compl. ¶90 This process improves range and throughput by adapting the transmission scheme based on real-world link quality Compl. ¶93
  • Asserted Claims: Claims 1, 2, 3, 5, 6, 7, 8, 9, 10, 12, 13, 14, 16, 17, 18, 19, and 20 Compl. ¶253
  • Accused Features: The accused products are alleged to infringe when operating as Access Points compliant with the 802.11ax standard Compl. ¶250

U.S. Patent No. 8,644,765 - "Beamforming Using Predefined Spatial Mapping Matrices"

  • Technology Synopsis: This patent, part of the same family as the '870 patent, addresses the shortcomings of traditional beamforming, which involved range-limited and overhead-intensive "sounding" processes Compl. ¶107 The invention discloses iteratively transmitting data packets using different predefined spatial mapping matrices, receiving channel estimates from the receiver, selecting a matrix based on those estimates, and re-selecting another matrix if a packet error rate threshold is exceeded Compl. ¶109 This improves range and reliability by integrating matrix selection into the data path and adapting dynamically Compl. ¶110
  • Asserted Claims: Claims 1, 2, 3, 4, 7, 8, 9, 10, 12, 14, 15, 16, and 17 Compl. ¶271
  • Accused Features: The accused products are alleged to infringe when operating as Access Points compliant with the 802.11ax standard Compl. ¶268

U.S. Patent No. 9,083,401 - "Beamforming Using Predefined Spatial Mapping Matrices"

  • Technology Synopsis: Also in the '870 patent family, this patent addresses the inefficiency and overhead of traditional sounding procedures for beamforming Compl. ¶121 The solution requires both a channel estimate-driven selection of a predefined spatial mapping matrix from a codebook and a quality-metric-driven re-selection if a reception quality metric (like packet error rate) falls below a threshold Compl. ¶¶120, 123 This dual-feedback approach improves range and reliability over prior art methods Compl. ¶126
  • Asserted Claims: Claims 1, 2, 4, 7, 8, 9, 15, 16, 17, and 18 Compl. ¶289
  • Accused Features: The accused products are alleged to infringe when operating as Access Points compliant with the 802.11ax standard Compl. ¶286

U.S. Patent No. 10,200,096 - "Beamforming Using Predefined Spatial Mapping Matrices"

  • Technology Synopsis: Also in the '870 patent family, this patent addresses the range and robustness problems of existing sounding methods Compl. ¶136 The solution uses a codebook of predefined spatial mapping matrices, measures a reception quality metric (e.g., packet error rate) for each, and then selects the matrix with the highest quality for subsequent transmissions Compl. ¶138 This approach moves channel selection into the data path, improving range and reducing overhead Compl. ¶141
  • Asserted Claims: Claims 1, 2, 3, 5, 6, and 7 Compl. ¶307
  • Accused Features: The accused products are alleged to infringe when operating as Access Points compliant with the 802.11ax standard Compl. ¶304

U.S. Patent No. 9,444,577 - "Calibration Correction for Implicit Beamformer Using an Explicit Beamforming Technique in a Wireless MIMO Communication System"

  • Technology Synopsis: The patent addresses a problem in "implicit beamforming," where the forward channel is estimated from the reverse channel based on an assumption of ideal reciprocity Compl. ¶150 This assumption is flawed due to RF chain impairments, which degrades performance Compl. ¶151 The solution combines implicit beamforming with an explicit, bidirectional calibration exchange, allowing a transceiver to determine a device-specific correction matrix to correct for hardware-induced errors Compl. ¶152
  • Asserted Claims: Claims 1, 2, 3, 4, 5, 7, 8, 10, 11, 12, 13, 18, 19, 20, 22, 24, and 25 Compl. ¶325
  • Accused Features: The accused products are alleged to infringe when operating as Access Points compliant with the 802.11ax standard Compl. ¶322

U.S. Patent No. 8,265,573 - "Wireless Subscriber Communication Unit and Method of Power Control with Back-Off Therefore"

  • Technology Synopsis: The patent addresses interference and inefficient spectrum use in crowded wireless environments Compl. ¶157 Prior art systems struggled with power control for high-power transmissions, as the control loop could not track reference signals quickly enough Compl. ¶160 The invention introduces a method for advanced power control that adjusts and "backs off" output power in response to network conditions, such as interference from overlapping systems, to improve signal quality and transmission efficiency Compl. ¶158
  • Asserted Claims: Claims 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, and 19 Compl. ¶342
  • Accused Features: The accused Wi-Fi 6E and Wi-Fi 7 rugged mobile computers are alleged to infringe Compl. ¶339

U.S. Patent No. 9,596,648 - "Unified Beacon Format"

  • Technology Synopsis: The patent addresses the inefficiency of beacon frame transmissions, which become large and consume excessive airtime, draining power from battery-operated devices Compl. ¶¶168-169 The solution is a "unified beacon format" that allows for distinct subformats, including a concise "short" beacon and a comprehensive "full" beacon, with an indicator of which type is being sent, thereby improving efficiency Compl. ¶¶172-173
  • Asserted Claims: Claims 1, 2, 4, 5, 7, 8, 10, and 11 Compl. ¶360
  • Accused Features: The accused products are alleged to infringe when operating as Access Points compliant with the 802.11ax standard Compl. ¶357

III. The Accused Instrumentality

Product Identification

The accused instrumentalities are a range of Honeywell-branded rugged mobile computers, tablets, and wearable mobile computers that practice the IEEE 802.11ax (Wi-Fi 6), Wi-Fi 6E, or Wi-Fi 7 standards Compl. ¶4 Compl. ¶5 Compl. ¶178 Compl. ¶196 Specific product lines named include ScanPal, CT30, CT45, CW45, and others Compl. ¶178

Functionality and Market Context

The complaint alleges these products are designed, manufactured, and sold by Defendants for use in business and industrial environments Compl. ¶4 Compl. ¶182 The core accused functionality is their operation in compliance with the 802.11ax standard, which Plaintiff alleges necessarily incorporates the technologies of the patents-in-suit Compl. ¶3 Compl. ¶181 The complaint asserts that Defendants advertise these products as complying with the 802.11ax standard Compl. ¶188, n.1

No probative visual evidence provided in complaint.

IV. Analysis of Infringement Allegations

The complaint references, but does not include, claim chart exhibits (Exhibits 12 and 13) that would detail the infringement allegations for U.S. Patent Nos. 8,675,570 and 8,260,213 on an element-by-element basis. In the absence of these exhibits, the infringement theory must be summarized from the complaint's narrative allegations.

For both the ’570 and ’213 patents, the central infringement theory is that the accused products are designed to be, and are operated in compliance with, the IEEE 802.11ax standard Compl. ¶181 Compl. ¶199 Plaintiff alleges that the functionality recited in the asserted claims of these patents "has been incorporated into the 802.11ax Standard" Compl. ¶181 Compl. ¶199 Therefore, the complaint alleges that by making, using, and selling devices that practice the 802.11ax standard, the Defendants directly infringe the patents-in-suit Compl. ¶183 Compl. ¶201 The allegations for indirect infringement are based on Defendants encouraging and instructing customers to use the accused products in their 802.11ax-compliant mode Compl. ¶184 Compl. ¶202

  • Identified Points of Contention:
    • Standards-Essentiality: The core of the dispute rests on whether compliance with the IEEE 802.11ax standard necessarily requires practicing the asserted claims. The analysis will require a highly technical comparison of the standard's mandatory requirements against the specific limitations of the patent claims.
    • Scope Questions (’570 Patent): A potential point of contention for the ’570 Patent may be whether the specific "common subcarrier spacing" required by the claims is identical to the subcarrier spacing methodologies mandated or optionally permitted by the 802.11ax standard.
    • Technical Questions (’213 Patent): For the ’213 Patent, a key question will be whether the accused products contain the specific combination of hardware circuits recited in the claims—a "reactance detection circuit" and an "error correction circuit"—that perform the claimed functions of detecting, comparing, integrating, and correcting for reactance drift. The analysis may focus on whether the general-purpose RF management systems in the accused devices perform the specific, structured functions required by the claims.

V. Key Claim Terms for Construction

  • Term for U.S. Patent No. 8,675,570: "without assigning subcarriers as guard subcarriers"

  • Context and Importance: This term appears in independent claim 1 and is central to the invention's claimed improvement over the prior art, which the complaint describes as wasting spectrum on "guard bands" Compl. ¶34 The infringement analysis will depend on whether the 802.11ax standard, as implemented in the accused products, truly eliminates guard subcarriers in the manner required by the claim, or whether it uses a different technique that might fall outside the claim's scope.

  • Intrinsic Evidence for Interpretation:

    • Evidence for a Broader Interpretation: The specification's focus on improving "spectral efficiency" by eliminating "wasteful gaps" could support an interpretation that covers any technique that avoids assigning dedicated, non-data-bearing subcarriers at the channel edges Compl. ¶¶34-35
    • Evidence for a Narrower Interpretation: The patent describes a specific solution of mathematical alignment between subcarrier spacing and channel bandwidths ’570 Patent, abstract Compl. ¶37 A defendant may argue that the term should be limited to contexts where guard bands are eliminated specifically because of this precise mathematical alignment, as opposed to other methods of interference mitigation.

  • Term for U.S. Patent No. 8,260,213: "tunable reactive element"

  • Context and Importance: This term is the foundational component of independent claim 1. Its construction is critical for both infringement and patent eligibility. The complaint emphasizes that the term refers to a physical RF component, not an abstract variable, and notes that a court has already found claims containing this term plausibly directed to a technological improvement, not an abstract idea Compl. ¶52 Compl. ¶¶58-59 Practitioners may focus on this term to determine if the accused device components meet this definition and to re-litigate the patent eligibility question.

  • Intrinsic Evidence for Interpretation:

    • Evidence for a Broader Interpretation: The specification states the invention can be adapted for "other present or next generation tunable reactive elements" ’213 Patent, col. 6:1-3, suggesting the term is not limited to only the examples disclosed.
    • Evidence for a Narrower Interpretation: The specification explicitly provides examples such as "Voltage Variable Capacitors (VVCs)" ’213 Patent, col. 1:19-20 Compl. ¶52 A defendant might argue that the term should be construed as limited to such physical, variable-capacitance or -inductance components, potentially excluding purely digital or software-based tuning mechanisms.

VI. Other Allegations

  • Indirect Infringement: The complaint alleges both induced and contributory infringement for all patents-in-suit. Inducement is primarily based on allegations that Defendants advertise the accused products as 802.11ax compliant and provide user manuals and training that encourage and instruct users to operate the products in their infringing, standard-compliant mode (e.g., Compl. ¶¶184, 188, 202, 206). Contributory infringement is based on allegations that the accused components are a material part of the inventions, are not staple articles of commerce, have no substantial non-infringing uses, and are known by Defendants to be especially adapted for infringement (e.g., Compl. ¶¶189, 207).
  • Willful Infringement: The complaint alleges willful infringement based on both pre- and post-suit knowledge. Pre-suit knowledge is alleged based on: (1) Letters of Assurance submitted to the IEEE by the original patent owners (NXP and ZTE) as early as September 2020, which allegedly made Defendants aware of a high probability that patents essential to the 802.11ax standard existed (e.g., Compl. ¶¶185, 203); and (2) Plaintiff's prior lawsuits filed in July 2025 against other major Wi-Fi 6 manufacturers, which allegedly put Defendants on notice of the patents and infringement allegations (e.g., Compl. ¶¶186, 204). Post-suit knowledge is based on the filing and service of the original complaint in this action (e.g., Compl. ¶¶187, 205). The complaint characterizes Defendants' alleged conduct as "willful, wanton, malicious, in bad faith, deliberate, consciously wrongful, flagrant, or characteristic of a pirate" (e.g., Compl. ¶¶192, 210).

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

  • Standards-Essentiality and Infringement: A central evidentiary question will be one of technical necessity: does compliance with the mandatory portions of the IEEE 802.11ax, 6E, and 7 standards inherently require the use of the specific methods and systems protected by the asserted claims? The outcome will determine whether this is a case of standard-essential patent (SEP) infringement, with broad implications for the accused product line.
  • Patent Eligibility: A core legal issue will be one of patent eligibility under 35 U.S.C. § 101. Although Plaintiff has secured favorable pleading-stage rulings in another district, Defendants may challenge whether claims directed to optimizing data transmission (e.g., in the '213 and '870 patent families) are a patent-eligible improvement to computer functionality or an abstract idea of information processing.
  • Willfulness and Damages: A key factual question will concern willful infringement. The court will need to determine whether the alleged pre-suit notices—including IEEE Letters of Assurance and prior lawsuits against third parties—were sufficient to establish knowledge or willful blindness, a finding that could expose Defendants to enhanced damages.