Wyoming Technology Licensing LLC v. Toyota Motor North America Inc

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: Wyoming Technology Licensing, LLC (Wyoming)
  • Defendant: Toyota Motor North America, Inc. (California)
  • Plaintiff's Counsel: DNL Zito
• Case Identification: 2:26-cv-00268, E.D. Tex., 04/01/2026
• Venue Allegations: Plaintiff alleges venue is proper in the Eastern District of Texas because Defendant maintains a regular and established business presence in the district, including its principal place of business in Plano, Texas.
• Core Dispute: Plaintiff alleges that certain Lexus vehicles equipped with driver-assistance systems, such as "Teammate" and "Lexus Safety System+ A," infringe seven U.S. patents related to automatic vehicle control and signaling systems.
• Technical Context: The technology at issue falls within the field of Advanced Driver-Assistance Systems (ADAS), specifically functions that automate or assist with vehicle lane changes and the corresponding turn signal activation.
• Key Procedural History: The seven asserted patents are continuations stemming from a single parent application. The complaint notes that the asserted patents expired on January 28, 2025, and the lawsuit seeks damages for past infringement.

Case Timeline

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

U.S. Patent No. 7,482,916 - "Automatic Signaling Systems for Vehicles"

• Identifier: The '916 Patent
• Issued: January 27, 2009

The Invention Explained

• Problem Addressed: The patent background describes that drivers frequently fail to use exterior turn signal lights during lane changes and turns, which increases the risk of accidents Compl. ¶23 '916 Patent, col. 1:30-41 It further notes that prior art automatic systems relying on steering wheel rotation were often inaccurate, as steering angle does not always correlate with a lane change maneuver, particularly on curved roads '916 Patent, col. 2:5-33
• The Patented Solution: The invention proposes a system that uses a sensor, such as a camera, to directly monitor the vehicle's environment, specifically the lane boundaries '916 Patent, col. 4:9-12 A processor analyzes data from the sensor to determine the vehicle's position relative to the lane markings and automatically activates the appropriate turn signal when the vehicle approaches or reaches a lane boundary, thereby operating independently of the steering wheel's angle '916 Patent, abstract '916 Patent, col. 6:33-44
• Technical Importance: The claimed solution represented a shift toward using direct environmental sensing rather than inferring driver intent from indirect mechanical inputs, which could improve the accuracy and reliability of automated signaling systems Compl. ¶25

Key Claims at a Glance

• The complaint asserts at least independent Claim 33 Compl. ¶61
• The essential elements of Claim 33 are:
  • A processor with an input for receiving information and an output coupled to a vehicle's signaling system.
  • The processor is configured to process the information.
  • The processor is configured to automatically activate the turn signal light based on the processed information.
  • The activation occurs "before or when a portion of the vehicle reaches a boundary of a lane in which the vehicle is traveling."

U.S. Patent No. 7,986,223 - "Automatic Signaling System for Vehicles"

• Identifier: The '223 Patent
• Issued: July 26, 2011

The Invention Explained

• Problem Addressed: As a continuation of the application leading to the '916 Patent, this patent addresses the same problem of drivers failing to use turn signals, which creates hazardous driving conditions Compl. ¶10 Compl. ¶23
• The Patented Solution: The solution is a system comprising a sensor and a processor that work together to monitor the vehicle's position within a driving lane '223 Patent, abstract Based on signals from the sensor, the processor identifies the lane boundary, determines the vehicle's position relative to it, and "selectively" activates the correct turn signal light to correspond with the direction of a lane change maneuver '223 Patent, claim 1
• Technical Importance: This technology provided a technical framework for an automated safety feature that could operate more reliably than prior art systems by basing its logic on direct observation of the vehicle's interaction with its environment Compl. ¶25

Key Claims at a Glance

• The complaint asserts at least independent Claim 1 Compl. ¶75
• The essential elements of Claim 1 are:
  • A sensor configured for sensing at least a portion of a lane.
  • A processor coupled to the sensor.
  • The processor is configured to identify a lane boundary based on a signal from the sensor.
  • The processor is configured to determine information regarding a position of the lane boundary.
  • The processor is configured to "selectively activate" either the left or right turn signal light based on the determined positional information.

U.S. Patent No. 8,378,805 - "Automatic Signaling System for Vehicles"

• Issued: February 19, 2013
• Technology Synopsis: This patent, from the same family, discloses an automatic signaling system with a processor that receives a signal from a sensor. The processor is configured to automatically activate a turn signal light to obviate the need for manual activation, operating independently of the turning angle of the vehicle's wheels.
• Asserted Claims: At least independent Claim 13 Compl. ¶89
• Accused Features: The "Teammate" and "Lexus Safety System+ A" driver-assistance systems Compl. ¶57 Compl. ¶89

U.S. Patent No. 9,248,777 - "Automatic Signaling System for Vehicles"

• Issued: February 2, 2016
• Technology Synopsis: This patent describes an apparatus with an automatic signaling system and a user control (e.g., a switch on a lever) that allows a user to place the automatic system in a first state (active) or a second state (inactive). When active, the system automatically activates the turn signal on behalf of the driver.
• Asserted Claims: At least independent Claim 10 Compl. ¶103
• Accused Features: The "Teammate" and "Lexus Safety System+ A" driver-assistance systems Compl. ¶57 Compl. ¶103

U.S. Patent No. 9,505,343 - "Automatic Control Systems for Vehicles"

• Issued: November 29, 2016
• Technology Synopsis: This patent covers a control system for a vehicle that includes an automatic control and a lever. The lever is operable to turn the automatic control from an "off state" to an "on state," where the automatic control then operates the vehicle on behalf of the driver.
• Asserted Claims: At least independent Claim 1 Compl. ¶118
• Accused Features: The "Teammate" and "Lexus Safety System+ A" driver-assistance systems Compl. ¶57 Compl. ¶118

U.S. Patent No. 10,046,696 - "Automatic Control Systems for Vehicles"

• Issued: August 14, 2018
• Technology Synopsis: This patent discloses an apparatus with an input for receiving sensor data and a processor that performs a "statistical analysis" using the data to determine a control parameter for an automatic vehicle function. The claims also recite machine learning capability.
• Asserted Claims: At least independent Claim 1 Compl. ¶132
• Accused Features: The "Teammate" and "Lexus Safety System+ A" driver-assistance systems Compl. ¶57 Compl. ¶132

U.S. Patent No. 10,569,700 - "Automatic Control Systems for Vehicles"

• Issued: February 25, 2020
• Technology Synopsis: This patent describes an apparatus where a processing unit detects an automatic activation of a turn signal and is also configured to generate a control signal to automatically turn off the turn signal light, for instance after a lane change is complete.
• Asserted Claims: At least independent Claim 12 Compl. ¶146
• Accused Features: The "Teammate" and "Lexus Safety System+ A" driver-assistance systems Compl. ¶57 Compl. ¶146

III. The Accused Instrumentality

Product Identification

The accused instrumentalities are certain Lexus-branded vehicles equipped with either the "Teammate" driver assistance technology (which includes "Advanced Drive" functionality) or the "Lexus Safety System+ A" (LSS+ A) driver-assistance system, which includes a Lane Change Assist (LCA) feature Compl. ¶57

Functionality and Market Context

The complaint alleges that these are SAE Level 2 driver-assistance systems that interface with the vehicle's control and signaling systems Compl. ¶57 The LSS+ A system's Lane Change Assist functionality is allegedly activated by the driver actuating the turn signal lever "partway," after which the system "automatically controls steering and adjusts vehicle speed to perform a lane change maneuver" Compl. ¶57 These systems are featured on various Lexus LS models from 2018 through 2025, representing advanced safety and convenience features in the premium automotive market Compl. ¶57 No probative visual evidence provided in complaint.

IV. Analysis of Infringement Allegations

The complaint references claim chart exhibits for each asserted patent but does not include them in the provided filing Compl. ¶63 Compl. ¶77 Compl. ¶91 Compl. ¶105 Compl. ¶120 Compl. ¶134 Compl. ¶148 The infringement allegations are therefore summarized below in prose based on the complaint's narrative.

• '916 Patent Infringement Allegations: The complaint alleges that the Accused Instrumentalities infringe at least Claim 33 of the '916 Patent Compl. ¶61 The infringement theory suggests that the accused driver-assistance systems contain a processor that receives and processes data from vehicle sensors to determine the vehicle's position relative to lane boundaries. The system then allegedly practices the claimed invention by automatically activating the vehicle's turn signal light when the system determines the vehicle is at or near a lane boundary during a lane change maneuver Compl. ¶57 Compl. ¶63
• '223 Patent Infringement Allegations: The complaint asserts infringement of at least Claim 1 of the '223 Patent Compl. ¶75 The theory is that the accused systems use on-board sensors to "sense" the lane in which the vehicle is traveling. The system's processor then allegedly identifies the lane boundary from this sensor data, determines the vehicle's position relative to that boundary, and "selectively activates" the appropriate turn signal to correspond with the direction of the assisted lane change Compl. ¶57 Compl. ¶77
• Identified Points of Contention:
  • Technical Questions: A primary technical question may be whether the accused systems' activation of the turn signal is truly "automatic" and "based on" the vehicle reaching a lane boundary, as required by the claims. The complaint describes the LSS+ A system as being initiated by a driver's partial actuation of the turn signal lever Compl. ¶57 This raises the question of whether the system's processor independently decides to activate the signal based on sensor data, or if it is merely completing a command initiated by the driver.
  • Scope Questions: The dispute may center on the construction of the term "automatically activate." A court will need to determine whether this term can read on a system that requires a manual trigger from the driver to initiate the automated sequence. Defendant may argue this manual step precludes the activation from being "automatic," while Plaintiff may contend that the processor's subsequent control over the signaling function, based on sensor data, satisfies the claim limitation.

V. Key Claim Terms for Construction

• The Term: "automatically activate" (from '916 Patent, Claim 33)
• Context and Importance: The definition of this term appears central to the dispute. The complaint alleges that the accused Lane Change Assist function is "activated by the driver, by actuating the turn signal lever partway" Compl. ¶57 The infringement analysis will likely turn on whether a system that requires this type of driver initiation for a maneuver can be said to "automatically activate" the turn signal as understood in the context of the patent.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The patent specification states that embodiments "relate to a system and method for automatically controlling an operation of a vehicle that involves use of a turn signal lever" '916 Patent, col. 2:51-54 This language may support an interpretation where the automated system is intended to work in conjunction with the lever, rather than in complete isolation from it.
  • Evidence for a Narrower Interpretation: The patent's background criticizes prior art systems tied to driver inputs like steering wheel angle, suggesting an inventive concept centered on full automation independent of such inputs '916 Patent, col. 2:20-33 Furthermore, certain embodiments are described as activating based only on the vehicle's proximity to a lane boundary, without mention of a driver trigger, which could support a narrower construction requiring the system to initiate the action without any contemporaneous driver command '916 Patent, col. 6:33-44

VI. Other Allegations

• Indirect Infringement: The complaint does not contain specific counts or factual allegations supporting claims of induced or contributory infringement.
• Willful Infringement: The complaint does not contain an explicit allegation of willful infringement. It alleges that Defendant has knowledge of its infringement "at least as of the service of the present complaint" for each asserted patent Compl. ¶60 Compl. ¶74 Compl. ¶88 Compl. ¶102 Compl. ¶117 Compl. ¶131 Compl. ¶145 This pleading establishes a basis for potential enhanced damages for any post-filing infringement but does not allege pre-suit knowledge or willfulness.

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

The resolution of this case will likely depend on the court's interpretation of a few central issues.

• A core issue will be one of definitional scope: can the claim term "automatically activate" be construed to cover a system where a driver provides an initial, partial input to a control lever to trigger an automated sequence? The distinction between a fully autonomous action and a human-initiated, computer-completed action will be critical.
• A key evidentiary question will be one of technical operation: what is the precise role of the processor in the accused systems? Does it independently process sensor data concerning the lane boundary to execute and control the turn signal activation, as required by the claims, or does it function more as a simple executor of a command initiated and defined by the driver's manual input?