DCT

4:23-cv-01145

Artax LLC v. Samsung Electronics Co Ltd

Key Events
Amended Complaint
complaint Intelligence

I. Executive Summary and Procedural Information

  • Parties & Counsel:
  • Case Identification: 4:23-cv-01145, E.D. Tex., 01/25/2024
  • Venue Allegations: Venue is alleged to be proper in the Eastern District of Texas because Defendants maintain regular and established places of business in the district, including a "Flagship North Texas Campus" in Plano, and have allegedly committed acts of infringement within the district.
  • Core Dispute: Plaintiff alleges that Defendant's Galaxy smartphones, through their "Emergency SOS" and "Emergency sharing" features, infringe patents related to methods for providing real-time position information between users over a communication network.
  • Technical Context: The technology concerns the use of networked servers to dynamically share real-time location data between communication devices, a foundational capability for modern safety, social, and navigational applications.
  • Key Procedural History: The complaint notes that U.S. Patent No. 8,509,412 is a continuation of the U.S. Patent Application that resulted in U.S. Patent No. 8,107,608, indicating the patents-in-suit share a common specification and priority claim.

Case Timeline

Date Event
2001-07-17 Earliest Priority Date for '608 and '412 Patents
2008-01-02 '608 Patent Application Filing Date
2011-12-02 '412 Patent Application Filing Date
2012-01-31 '608 Patent Issue Date
2013-08-13 '412 Patent Issue Date
2024-01-25 Amended Complaint Filing Date

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

U.S. Patent No. 8,107,608

  • Patent Identification: U.S. Patent No. 8,107,608, "System And Method For Providing Routing, Mapping, And Relative Position Information to Users of A Communication Network," issued January 31, 2012. Compl. ¶15

The Invention Explained

  • Problem Addressed: The patent describes prior art navigational systems as reliant on local storage discs (e.g., CD-ROMs), which meant that information quickly became outdated and required users to acquire new discs Compl. ¶20 '608 Patent, col. 1:47-64 These systems were also described as "incapable of obtaining position information over dynamically-configured connections" and required static, pre-configured registration of device network addresses Compl. ¶21 '608 Patent, col. 2:17-43
  • The Patented Solution: The invention proposes a system that uses a "networked online database and application server" to provide real-time position information between different users' devices Compl. ¶22 '608 Patent, col. 4:3-14 This architecture allows for the dynamic exchange of up-to-date location data over a network, such as the internet or a mobile network, without relying on static, locally stored maps '608 Patent, abstract
  • Technical Importance: This approach facilitated a shift from static, self-contained navigation devices to dynamic, networked services capable of sharing real-time location information between parties Compl. ¶23

Key Claims at a Glance

  • The complaint asserts independent claim 1. Compl. ¶36
  • The essential elements of independent claim 1 are:
    • A method of providing position information of a first user to a second user of a telecommunication network, comprising the steps of:
    • receiving first user device information including at least one of a first user device identification information and a phone number information of said first user device;
    • receiving second user information including at least one of a second user device identification information and a phone number information of the said second user device;
    • receiving first user device position information indicating a real-time location of said first user device;
    • accessing first user privacy information indicating a privacy setting, of said first user device, indicating a duration of time during which permission is given to transmit said first user device position information;
    • determining whether a current time is within the duration of time indicated by said privacy setting of the said first user privacy information; and
    • if said current time is within said duration of time, transmitting said first user device position information to said second user device.
  • The complaint reserves the right to modify its infringement description, which may suggest an intent to assert other claims later. Compl. ¶36

U.S. Patent No. 8,509,412

  • Patent Identification: U.S. Patent No. 8,509,412, "System and Method For Providing Routing, Mapping, And Relative Position Information to Users of A Communication Network," issued August 13, 2013. Compl. ¶24

The Invention Explained

  • Problem Addressed: As a continuation of the '608 patent, the '412 Patent addresses the same deficiencies in prior art navigation systems, namely their dependence on static, local data discs and their inability to obtain position information over dynamic connections Compl. ¶¶30-31 '412 Patent, col. 1:47-2:21
  • The Patented Solution: The patent discloses a system that uses an "online database and/or networked authentication and authorization connection server" to facilitate the exchange of position information Compl. ¶32 '412 Patent, col. 4:3-9 It further specifies that the position information can include GPS coordinates, address information, and information about nearby fixed locations, providing a more detailed set of location data points '412 Patent, col. 3:52-57
  • Technical Importance: The invention provides a method for sharing real-time position information between parties over a communication network, improving upon static, outdated systems Compl. ¶33

Key Claims at a Glance

  • The complaint asserts independent claim 1. Compl. ¶47
  • The essential elements of independent claim 1 are:
    • A method of providing position information of a first wireless user device to a second wireless user device of a communication network, comprising the steps of:
    • receiving first wireless user device information including first phone number information associated with a first wireless user device;
    • receiving second user information including second phone number information associated with a second wireless user device;
    • receiving first wireless user device position information indicating a real-time location of said first wireless user device; and
    • transmitting call-related information including said first wireless user device position information to said second wireless user device.
  • The complaint reserves the right to modify its infringement allegations. Compl. ¶47

III. The Accused Instrumentality

  • Product Identification: A wide array of Samsung Galaxy smartphones, including but not limited to the Galaxy S23, S22, and Note20 series, are accused of infringement Compl. ¶35 Compl. ¶46
  • Functionality and Market Context: The complaint targets the "Emergency SOS" and "Emergency sharing" applications pre-installed on the accused smartphones Compl. ¶37 Compl. ¶41 Compl. ¶48 This functionality allows a user to trigger an SOS alert, which then sends a message containing the user's real-time location to one or more pre-selected emergency contacts Compl. ¶¶37, 43 The complaint presents a screenshot from a Samsung support page showing a phone displaying an SOS message being sent to an emergency contact, which includes a map link with the user's location Compl. ¶9, Fig. 1-2 The complaint alleges this is a key safety feature advertised by Samsung across its product lines.

IV. Analysis of Infringement Allegations

'608 Patent Infringement Allegations

Claim Element (from Independent Claim 1) Alleged Infringing Functionality Complaint Citation Patent Citation
receiving first user device information including at least one of a first user device identification information and a phone number information of said first user device The complaint cites Samsung's Privacy Policy, which states Samsung obtains user contact and device information (e.g., phone number, IMEI). The Emergency SOS app allegedly accesses this information. ¶38 col. 8:25-33
receiving second user information including at least one of a second user device identification information and a phone number information of the said second user device The user adds emergency contacts, including their name and phone number, to the device's Contacts app, which are then designated for the SOS feature. A screenshot shows the user interface for adding an emergency contact Compl. ¶12, Fig. 1-5 ¶39 col. 8:25-33
receiving first user device position information indicating a real-time location of said first user device Samsung's Privacy Policy is cited for the proposition that Samsung obtains precise geolocation data from the device via GPS, Wi-Fi, and cell towers, which the SOS app then accesses. ¶40 col. 9:50-57
accessing first user privacy information indicating a privacy setting... indicating a duration of time during which permission is given to transmit... position information The Emergency SOS feature allegedly has a default duration of 24 hours for transmitting location information, which the user can stop at any time. This is alleged to be the claimed "privacy setting." ¶41 col. 5:3-9
determining whether a current time is within the duration of time indicated by said privacy setting... The complaint alleges that the feature's function of ceasing transmission after 24 hours or upon user termination constitutes the "determining" step. ¶42 col. 5:6-9
if said current time is within said duration of time..., transmitting said first user device position information to said second user device The complaint alleges the Emergency SOS feature sends an SOS message, including the user's location information, to the designated emergency contacts. A screenshot illustrates this function Compl. ¶9, Fig. 1-2 ¶43 col. 9:30-46
  • Identified Points of Contention:
    • Scope Questions: A potential issue may be whether the accused feature's 24-hour timed broadcast, which can be manually stopped, meets the claim requirement of "accessing... a privacy setting... indicating a duration of time." The defense may argue this is a simple timer rather than the type of configurable privacy setting contemplated by the patent.
    • Evidentiary Questions: The complaint relies on Samsung's general privacy policy to evidence the "receiving" steps of the method claim. A question may arise as to whether this policy, which describes data Samsung as a corporation may collect, sufficiently demonstrates that the claimed method itself performs the specific act of "receiving" that information on the device as required.

'412 Patent Infringement Allegations

Claim Element (from Independent Claim 1) Alleged Infringing Functionality Complaint Citation Patent Citation
receiving first wireless user device information including first phone number information associated with a first wireless user device Citing Samsung's Privacy Policy, the complaint alleges Samsung obtains user contact information, including phone numbers. The accused products are all wireless devices. A screenshot shows the permissions screen for the SOS app, requesting access to phone-related functions Compl. ¶21, Fig. 2-4 ¶49 col. 8:25-33
receiving second user information including second phone number information associated with a second wireless user device The user adds emergency contacts, including their telephone numbers, into the accused device, making that information available to the SOS feature. ¶50 col. 8:25-33
receiving first wireless user device position information indicating a real-time location of said first wireless user device The complaint again cites Samsung's Privacy Policy, which states Samsung obtains precise geolocation of the device. The SOS app allegedly accesses this real-time location information. ¶51 col. 9:50-57
transmitting call-related information including said first wireless user device position information to said second wireless user device The Emergency SOS feature sends a message to the designated emergency contacts. The complaint alleges this message includes the user's location information and constitutes the claimed "call-related information." ¶52 col. 10:25-46
  • Identified Points of Contention:
    • Scope Questions: The infringement theory hinges on whether an SMS/MMS-based SOS message constitutes "call-related information." The patent specification frequently discusses the invention in the context of a "telephone call" between a "caller" and a "receiver," which may support a narrower construction limited to information exchanged during or ancillary to a voice or video call.
    • Technical Questions: The complaint alleges the transmission of location information to an emergency contact satisfies the "transmitting call-related information" step. The key dispute will likely be legal, centered on the definition of "call-related," rather than technical.

V. Key Claim Terms for Construction

For the '608 Patent:

  • The Term: "accessing first user privacy information indicating a privacy setting"
  • Context and Importance: This term is central to distinguishing the claimed method from a simple, untimed broadcast of location data. The plaintiff's infringement case depends on construing the 24-hour transmission window of the SOS feature as this specific type of "privacy setting."
  • Intrinsic Evidence for Interpretation:
    • Evidence for a Broader Interpretation: The specification discloses "privacy settings that determines the period of the position transfer" and notes that this period can be "a predetermined length of time" and "can be terminated by the calling or receiving device at anytime" '608 Patent, col. 5:3-9 This language may support an argument that any user-controllable, time-limited broadcast falls within the scope of the term.
    • Evidence for a Narrower Interpretation: The specification also provides more specific examples of privacy settings, such as allowing transfers "only when a voice or video connection is established and/or only with the device owner's permission" '608 Patent, col. 5:30-33 Practitioners may focus on this to argue that the term requires a more granular, permission-based control scheme than the accused feature's default timed broadcast.

For the '412 Patent:

  • The Term: "call-related information"
  • Context and Importance: The final, operative step of claim 1 requires transmitting "call-related information." The viability of the infringement claim against the SMS-based SOS feature rests entirely on the construction of this term.
  • Intrinsic Evidence for Interpretation:
    • Evidence for a Broader Interpretation: The patent abstract describes the invention as utilizing various networks, including "a computer network, or the Internet," not just a telephone network '412 Patent, abstract This could support a reading where "call" refers to any communication session over a network, including data messaging.
    • Evidence for a Narrower Interpretation: The specification repeatedly uses language tied to traditional telephony, such as "a caller and a receiver of a telephone call," "dial a telephone number," and "the act of dialing" '412 Patent, abstract '412 Patent, col. 4:15-18 This context suggests "call-related" is tied to a voice call, which may not encompass an asynchronous SMS/MMS message.

VI. Other Allegations

  • Indirect Infringement: The complaint alleges that Samsung induces infringement by providing instructions on its website explaining how to use the accused Emergency SOS features and by "touting these uses" in advertisements Compl. ¶¶56-57 This conduct is alleged to knowingly and intentionally encourage users to directly infringe the patents-in-suit.
  • Willful Infringement: The complaint alleges that Samsung was aware of the patents-in-suit prior to the lawsuit but made no effort to cease infringement or seek a license Compl. ¶55 It further alleges ongoing infringement after Samsung received notice via the complaint. While not a separate count, these allegations, combined with the prayer for relief seeking a finding of an exceptional case, lay the groundwork for a willfulness claim Compl. prayer C

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

This case presents several critical questions of claim scope and evidentiary sufficiency for the court to resolve. The outcome may depend on the answers to the following:

  1. A core issue will be one of definitional scope: can the term "call-related information" in the '412 patent, which is described in a context of telephone calls, be construed to cover the asynchronous SMS/MMS messages sent by the accused "Emergency SOS" feature?

  2. A second key question will be one of functional interpretation: does the accused system's default 24-hour location broadcast meet the '608 patent's requirement for "accessing" a "privacy setting indicating a duration of time," or does the claim demand a more explicit, user-configured permissioning scheme than what is alleged?

  3. An underlying evidentiary issue will be one of methodological proof: is the plaintiff's reliance on Samsung's corporate privacy policy sufficient to prove that the accused method, as practiced on a user's device, actually performs the specific "receiving" steps recited in the claims?

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