DCT

2:25-cv-00438

Gamba Group Holdings LLC v. Samsung Electronics America Inc

Log In
Key Events
Amended Complaint
complaint Intelligence

I. Executive Summary and Procedural Information

  • Parties & Counsel:
  • Case Identification: 2:25-cv-00438, E.D. Tex., 08/21/2026
  • Venue Allegations: Venue is based on Defendant Samsung Electronics America, Inc. ("SEA") having a regular and established place of business in the Eastern District of Texas, including a "Flagship North Texas Campus" in Plano, and on allegations that SEA makes, uses, and sells the accused products within the district. For Defendant Samsung Electronics Co., Ltd. ("SEC"), a foreign corporation, venue is alleged to be proper as it may be sued in any judicial district.
  • Core Dispute: Plaintiff alleges that Defendant's location-tracking products and services-including the "SmartThings Find" and "Samsung Find" applications and associated devices like SmartTags-infringe three patents related to using a network of wireless beacons to determine the location of mobile devices.
  • Technical Context: The technology involves creating crowdsourced networks where devices like smartphones and electronic tags use short-range radio signals (e.g., Bluetooth Low Energy) to report their location, enabling users to find lost or offline items.
  • Key Procedural History: The complaint alleges that Samsung had pre-suit knowledge of the asserted patent portfolio since at least 2011, citing numerous instances where Samsung's own issued patents and patent applications referenced patents belonging to the named inventor of the patents-in-suit. This allegation is central to the plaintiff's claim for willful infringement.

Case Timeline

Date Event
2005-04-12 Earliest Priority Date for '507, '684, and '193 Patents
2011-10-20 Earliest date of alleged knowledge via Samsung patent citation
2017-06-06 U.S. Patent No. 9,674,684 Issues
2017-09-26 U.S. Patent No. 9,772,193 Issues
2018-05-01 U.S. Patent No. 9,961,507 Issues
2019-01-01 Samsung opens "Flagship North Texas Campus" in Plano, TX
2020-01-01 Samsung expands Plano office
2026-08-21 Second Amended Complaint Filed

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

U.S. Patent No. 9,961,507 - "Beacon Deployment Enabling Location Based Services (LBS) in an Urban or City Environment"

  • Patent Identification: U.S. Patent No. 9,961,507 ("the '507 patent"), entitled "Beacon Deployment Enabling Location Based Services (LBS) in an Urban or City Environment," issued on May 1, 2018 (Compl. ¶18).

The Invention Explained

  • Problem Addressed: The complaint suggests the patent family addresses the limitations of conventional location systems, such as GPS, which are often ineffective indoors or in dense "urban canyons" (Compl. ¶25; '684 Patent, col. 1:45-65).
  • The Patented Solution: The invention describes a system for providing location-based services by deploying a network of radio frequency (RF) beacons. These beacons broadcast signals containing encoded information. A mobile device can scan for, receive, and decode these signals to activate a location-based service (LBS). The system is designed to improve the delivery and flexibility of location services by using beacons that can be deployed anywhere (Compl. ¶¶26-27; '507 Patent, col. 8:1-12).
  • Technical Importance: This approach provides a framework for precise, low-power location tracking in environments where satellite-based systems like GPS are unreliable.

Key Claims at a Glance

  • The complaint asserts at least claim 57 (Compl. ¶70).
  • The complaint describes the essential elements of the asserted claims as a method involving:
    • deploying a series of beacons about a localized geographic area within an urban environment;
    • encoding Location Based Service (LBS) informative data into an identification portion of a beacon signal;
    • broadcasting that beacon signal from the respective beacon;
    • scanning for and detecting those broadcasts using a mobile device located proximate a beacon of the series;
    • decoding the received beacon signal at the mobile device to obtain the encoded identification or informative data; and
    • activating the particular Location Based Service based upon receipt of that decoded information (Compl. ¶28).
  • The complaint does not explicitly reserve the right to assert dependent claims for the '507 patent, but makes general allegations of infringing "one or more claims" (Compl. ¶69).

U.S. Patent No. 9,674,684 - "Beacon Deployment for Use with Location Based Services (LBS)"

  • Patent Identification: U.S. Patent No. 9,674,684 ("the '684 patent"), entitled "Beacon Deployment for Use with Location Based Services (LBS)," issued on June 6, 2017 (Compl. ¶19).

The Invention Explained

  • Problem Addressed: The patent's background section identifies the inadequacy of Global Positioning System (GPS) technology for indoor use and its limited accuracy in "urban canyons" ('684 Patent, col. 1:45-65). It also notes that existing maps are often outdated and lack detail for indoor environments ('684 Patent, col. 1:66-2:4).
  • The Patented Solution: The invention proposes deploying an infrastructure of RF tags or beacons that broadcast a unidirectional signal with a unique identification. A compatible mobile device can receive and decode this signal to trigger location-based services, provide navigation, or convey information to the user. The system is designed to work where GPS cannot and to be more accurate for micro-location tasks ('684 Patent, abstract; '684 Patent, col. 3:7-4:2).
  • Technical Importance: The invention provided a method for creating low-cost, ad-hoc location networks for indoor and dense urban environments, enabling a new class of proximity-based applications.

Key Claims at a Glance

  • The complaint asserts at least claim 52 (Compl. ¶99).
  • Independent claim 52 is a method claim with the following essential elements:
    • deploying at least one beacon, the beacon adapted to transmit a beacon signal using at least one of a unidirectional Bluetooth protocol signal and a unidirectional Wi-Fi protocol signal;
    • encoding desired beacon information into an identification segment of a beacon signal...;
    • broadcasting each respective beacon signal from each at least one beacon;
    • scanning to detect any beacon signal...using the mobile device...;
    • receiving any beacon signal...;
    • decoding the beacon information from the received beacon signal;
    • acting upon the decoded beacon information in accordance with at least one of: a) conveying the decoded beacon information to a user, and b) initiating at least one Location Based Service (LBS) associated with the information obtained from the decoded beacon information ('684 Patent, cl. 52).
  • The complaint does not explicitly reserve the right to assert dependent claims for the '684 patent but alleges infringement of "one or more claims" (Compl. ¶98).

U.S. Patent No. 9,772,193 - "Vehicle Beacon and Method of Use"

  • Multi-Patent Capsule
    • Patent Identification: U.S. Patent No. 9,772,193 ("the '193 patent"), entitled "Vehicle Beacon and Method of Use," issued on September 26, 2017 (Compl. ¶20).
    • Technology Synopsis: The patent is directed to solving the "Return to Parking problem," where a user may forget where they parked their car ('193 Patent, col. 11:31-37). It describes using a Bluetooth transceiver integrated within a vehicle to transmit a signal to a user's mobile device, which then registers the vehicle's exact parking location and can later provide navigation back to that spot (Compl. ¶32).
    • Asserted Claims: The complaint asserts at least claim 12 (Compl. ¶¶130, 135).
    • Accused Features: The complaint accuses Samsung smartphones that implement or support Android Auto and the saving of a vehicle's parking location in Google Maps (Compl. ¶38).

III. The Accused Instrumentality

Product Identification

  • The complaint identifies the accused instrumentalities as Samsung's "Galaxy line of smartphones, tablets, smartwatches, and earbuds," "SmartTags products," and the related "SmartThings Find" and "Samsung Find" applications, which include an "Offline Finding" feature (Compl. ¶¶4, 35).

Functionality and Market Context

  • The core accused functionality is the "Offline Finding" feature, which creates a crowd-sourced location network to find lost devices (Compl. ¶¶36, 39). In this system, a lost device (e.g., a SmartTag) enters an "Offline Find" mode and emits Bluetooth Low Energy (BLE) beacon signals (Compl. ¶40).
  • These signals are described as unidirectional and contain encoded information, including a unique "PrivacyID" (Compl. ¶¶42-43).
  • Nearby Samsung devices, designated as "Helper Devices," scan for, receive, and decode these BLE signals to extract the PrivacyID (Compl. ¶¶45-46).
  • The Helper Device then relays its own location along with the decoded PrivacyID to Samsung's servers as part of the "Find My Mobile" location-based service (Compl. ¶47). This allows the owner of the lost device to view its last reported location on a map (Compl. ¶49).
  • The complaint includes a diagram, sourced from a third-party academic paper, illustrating the data flow between a lost tag, helper devices, Samsung's servers, and the owner's device (Compl. p. 16, Fig. 5). A second diagram details the data structure of the BLE advertisement signal for SmartTags, showing specific byte indices for the PrivacyID (Compl. p. 16, Fig. 6).
  • The complaint alleges that for a user's device to act as a "Helper Device," the user must consent to their device being used to scan for other lost devices, a condition for enabling the "Offline Finding" feature (Compl. ¶54; Compl. p. 19).

IV. Analysis of Infringement Allegations

'507 Patent Infringement Allegations

Claim Element (from Independent Claim 57) Alleged Infringing Functionality Complaint Citation Patent Citation
deploying a series of beacons about a localized geographic area within an urban environment Samsung sells and distributes, and users purchase and carry, SmartTags and other Galaxy devices (smartphones, tablets, etc.), which function as beacons in urban and other environments (Compl. ¶¶50, 58, 60, 74-75). The complaint includes a screenshot showing an exemplary method of locating a SmartTag in Paramus, NJ (Compl. p. 21). ¶¶58, 60, 75 col. 4:22-25
encoding Location Based Service (LBS) informative data into an identification portion of a beacon signal When a user registers a device for Offline Find, Samsung generates a unique "PrivacyID" that is provided to the device. The device then encodes this PrivacyID into its BLE beacon signal (Compl. ¶¶43, 53, 76). ¶¶43, 53, 76 col. 4:25-28
broadcasting said beacon signal from said respective beacon Accused products in "Offline Find" mode broadcast unidirectional BLE beacon signals containing the encoded PrivacyID (Compl. ¶¶40, 42, 56). ¶¶40, 42, 73 col. 4:28-31
scanning for any of said beacon signals using a mobile device "Helper Devices" (e.g., Samsung smartphones and tablets) automatically scan for BLE signals sent by lost devices (Compl. ¶¶45, 77). ¶¶45, 77 col. 4:31-33
receiving at least one of said beacon signal by said mobile device Helper Devices receive the BLE beacon signals emitted from lost accused products (Compl. ¶¶45-46, 77). ¶¶45-46, 77 col. 4:33-35
decoding said received beacon signal to obtain said unique identifier The Helper Device parses (decodes) the received BLE signal to extract the encoded PrivacyID (Compl. ¶¶46, 77). ¶¶46, 77 col. 4:35-37
activating at least one Location Based Service (LBS) based upon receipt of said unique identifier The Helper Device relays the PrivacyID and its own location to Samsung's servers, which is part of the "Find My Mobile" LBS. The service maps the PrivacyID to the lost device, allowing the owner to view its location (Compl. ¶¶47-49, 77). The complaint includes a screenshot showing the user interface for enabling the "Offline finding" feature, which activates this LBS (Compl. p. 19). ¶¶47-49, 77 col. 4:37-41

'684 Patent Infringement Allegations

Claim Element (from Independent Claim 52) Alleged Infringing Functionality Complaint Citation Patent Citation
deploying at least one beacon, the beacon adapted to transmit a beacon signal using at least one of a unidirectional Bluetooth protocol signal and a unidirectional Wi-Fi protocol signal Samsung sells and users deploy SmartTags and other Galaxy devices, which transmit unidirectional BLE (a Bluetooth protocol) signals when in "Offline Find" mode (Compl. ¶¶40, 42, 103-104). ¶¶40, 42, 104 col. 3:10-20
encoding desired beacon information into an identification segment of a beacon signal Samsung's system generates and encodes a unique "PrivacyID" into the BLE beacon signal for devices registered for "Offline Find" (Compl. ¶¶43, 53, 105). ¶¶43, 53, 105 col. 3:21-26
broadcasting each respective beacon signal from each at least one beacon Accused products in "Offline Find" mode broadcast the BLE beacon signal (Compl. ¶¶40, 105). ¶¶40, 105 col. 3:26-29
scanning to detect any beacon signal...using the mobile device... "Helper Devices" (e.g., other users' Galaxy smartphones) scan for the BLE signals from lost devices (Compl. ¶¶45, 106). ¶¶45, 106 col. 3:29-32
receiving any beacon signal... Helper Devices receive the BLE signals emitted by the lost devices (Compl. ¶¶45, 106). ¶¶45, 106 col. 3:32-35
decoding the beacon information from the received beacon signal The Helper Device decodes the signal to extract the encoded PrivacyID (Compl. ¶¶46, 106). ¶¶46, 106 col. 3:35-37
acting upon the decoded beacon information...by...initiating at least one Location Based Service (LBS) The Helper Device relays the PrivacyID and its location to Samsung's servers, which initiates the "Find My Mobile" LBS, allowing the owner to locate the lost device (Compl. ¶¶47-49, 106). ¶¶47-49, 106 col. 3:37-45
  • Identified Points of Contention:
    • Scope Questions: The infringement theory relies on combining the actions of Samsung and its users under the "direction or control" framework of Akamai. A central question will be whether Samsung's act of "conditioning" the benefit of the Offline Find service on a user's agreement for their device to act as a Helper Device constitutes sufficient direction or control to attribute the user's actions (e.g., deploying, scanning, decoding) to Samsung for direct infringement purposes (Compl. ¶¶72, 75-77).
    • Technical Questions: A potential issue is whether a multi-function device like a smartphone, when operating as a "Helper Device," qualifies as a "beacon" within the meaning of the patent claims. The patents often describe beacons as part of a deployed infrastructure, which may suggest a narrower scope than a user's personal device temporarily acting as a network node.

V. Key Claim Terms for Construction

  • The Term: "deploying" (a series of beacons)
    • Context and Importance: This term is critical to the plaintiff's divided infringement theory. The complaint alleges that users "perform the deploying step by leaving devices" in various locations, and that Samsung is liable for this step by conditioning a benefit on the user's action (Compl. ¶¶74-75). The construction of "deploying" will determine whether merely carrying and using a device that can act as a beacon meets this limitation, or if it requires a more deliberate, stationary placement of infrastructure by the defendant.
    • Intrinsic Evidence for Interpretation:
      • Evidence for a Broader Interpretation: The specification of the '684 patent states that the system is based on "a network of RF tags or beacons that can be deployed anywhere" ('684 Patent, col. 9:36-37) and that "dynamic deployments" are possible ('684 Patent, Fig. 8). This language may support a flexible, non-static interpretation of deployment.
      • Evidence for a Narrower Interpretation: The patent figures often depict beacons as fixed points in a planned infrastructure, such as points of interest in a mall or facility ('684 Patent, Fig. 1; '684 Patent, Fig. 2). The abstract also refers to an "infrastructure of...RF tags or beacons deployed within a structure," which may suggest a more permanent installation.
  • The Term: "beacon"
    • Context and Importance: The plaintiff's infringement theory requires that Samsung's "Helper Devices"-which include smartphones and tablets-function as beacons (Compl. ¶¶40, 45). Practitioners may focus on whether a multi-function consumer electronic device like a smartphone, which is primarily used for other purposes, falls within the patent's definition of a "beacon."
    • Intrinsic Evidence for Interpretation:
      • Evidence for a Broader Interpretation: The '684 patent specification notes that its technology offers the ability to locate "ubiquitous 'any tags'," and that "Any Bluetooth enabled device (including newer mobile telephones) can be associated with and use the advantage of the Bluetooth beacons" ('684 Patent, col. 7:43-49). This language may support construing "beacon" to include general-purpose devices like smartphones.
      • Evidence for a Narrower Interpretation: The specification frequently refers to "RF tags or beacons" being "installed in a local area" or "deployed within a structure" ('684 Patent, abstract; '684 Patent, col. 3:10-20). This framing may support an interpretation that a "beacon" is a piece of dedicated, deployed infrastructure rather than a user's personal mobile device.

VI. Other Allegations

  • Indirect Infringement: The complaint alleges induced infringement, stating that Samsung instructs and encourages users to perform the infringing methods through its websites, product manuals, and marketing materials for the "Offline Finding" feature (Compl. ¶¶80, 85, 87-88). It further alleges contributory infringement on the basis that Samsung provides the "Offline Find" feature, which is a material component of the invention that is not a staple article of commerce and is specially adapted for infringing use. The complaint specifically notes that SmartTags "have no non-infringing modality" (Compl. ¶89).
  • Willful Infringement: Willfulness allegations are based on both pre-suit and post-suit knowledge. The complaint alleges Samsung had knowledge of the inventor's patent portfolio "since at least 2011" by citing a list of Samsung-owned patents that reference the patents-in-suit or their family members (Compl. ¶¶81, 95, 111). This historical citation record is presented as evidence of long-standing and willful disregard of the plaintiff's patent rights.

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

  1. A central issue will be one of divided infringement liability: Does Samsung exert sufficient "direction or control" over its users by conditioning the benefit of its "Offline Find" service on users' agreement for their personal devices to perform the claimed method steps of scanning for, decoding, and relaying beacon signals, thereby making Samsung directly liable for the actions of its customers under the Akamai framework?

  2. A second core issue will be one of claim construction and scope: Can the term "beacon," which the patents often describe as part of a deployed infrastructure, be construed to read on a user's personal, multi-function smartphone or tablet when it is temporarily operating in a "Helper Device" mode to find other lost products?

  3. A key evidentiary question for damages will be the impact of alleged pre-suit knowledge: What weight will be given to the allegation that Samsung's own patent prosecution activities, which included citing the inventor's patent family for over a decade, establish that any infringement was willful from its inception?

Loading Amended Complaint