WirelessWerx IP LLC v. Here North America LLC

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: WirelessWerx IP, LLC (Texas)
  • Defendant: HERE North America, LLC (Delaware)
  • Plaintiff's Counsel: Ramey LLP
• Case Identification: 1:25-cv-12770, N.D. Ill., 08/03/2026
• Venue Allegations: Venue is alleged to be proper as Defendant has a regular and established place of business in the district and has committed alleged acts of infringement there. The action was also transferred to the district by stipulation of the parties from the District of Utah.
• Core Dispute: Plaintiff alleges that Defendant's HERE platform, an integrated indoor-and-outdoor location platform, infringes a patent related to methods for defining three-dimensional geographical zones and delivering location-triggered messages to wireless devices, particularly in environments where satellite positioning is unreliable.
• Technical Context: The technology addresses the domain of indoor positioning systems, a market where traditional GPS-based location services are often ineffective due to signal degradation inside buildings.
• Key Procedural History: The complaint notes that this action was transferred from the United States District Court for the District of Utah by party stipulation. The complaint also discloses that Plaintiff is a non-practicing entity and has previously entered into settlement licenses related to its patents with other entities.

Case Timeline

Date	Event
2007-08-30	U.S. Patent No. 8,428,867 Priority Date
2013-04-23	U.S. Patent No. 8,428,867 Issued
2026-08-03	Complaint Filing Date

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

U.S. Patent No. 8,428,867 - "Configuring and Using Multi-Dimensional Zones"

• Patent Identification: U.S. Patent No. 8,428,867, issued April 23, 2013 (the "'867 Patent").

The Invention Explained

• Problem Addressed: The '867 Patent addresses the shortcomings of conventional location systems that rely solely on GPS, which cannot reliably determine a precise position within a multi-story building where satellite signals are attenuated or blocked (Compl. ¶12; Compl. ¶13, Compl. ¶¶col. 1:38-55). This limitation prevents the delivery of messages keyed to a specific three-dimensional region, such as a particular floor of a shopping mall Compl. ¶13
• The Patented Solution: The invention proposes a method for defining a three-dimensional geographical zone using waypoints that include an "elevation value" in addition to latitude and longitude, allowing the system to distinguish between floors Compl. ¶15 '867 Patent, abstract Position is determined not just by GPS, but by deriving an indoor coordinate from a network of fixed "location nodes" inside the building Compl. ¶16 '867 Patent, col. 6:40-42 The system then uses a specific computational method to determine if a device is inside the zone and triggers a message to that device without a specific user request Compl. ¶¶17-18
• Technical Importance: This approach claimed to enable "relatively precise location awareness, system monitoring and area-specific messaging capabilities in environments where an accurate GPS position may not be able to be acquired" Compl. ¶19 '867 Patent, col. 6:30-36

Key Claims at a Glance

• The complaint asserts independent claim 10, along with dependent claims 11, 12, 13, 14, and 16 Compl. ¶28
• Independent Claim 10 is a method claim that includes the following essential elements:
  • Allowing a user to enter at least one geographical coordinate represented by a latitude, longitude, and elevation value, where the coordinate is indoors and derived from an indoor network.
  • Loading the coordinate onto a transponder.
  • Receiving, over the internet from the transponder, location information derived from a GPS receiver and information identifying the individual.
  • Using the location and identifying information in a programmed computer to send a message to the transponder, without a specific request from the individual, based on the 3-D location of the device.
  • Performing commercial communications, such as downloading an advertisement to the transponder when the user is in a specific area like a shopping mall.
• The complaint expressly reserves the right to assert other valid claims of the '867 Patent Compl. ¶28

III. The Accused Instrumentality

Product Identification

• The "HERE platform," which provides integrated three-dimensional indoor location, positioning, and location-triggered messaging (the "Accused Instrumentality") Compl. ¶21 It is composed of interoperating components, including HERE's 3D indoor venue maps, HERE Positioning services, HERE Geocoding, and the HERE Geofencing service Compl. ¶21

Functionality and Market Context

• The complaint alleges the Accused Instrumentality is a complete, operational platform that Defendant builds, hosts, and demonstrates, not merely a set of disaggregated components Compl. ¶22
• Functionally, the platform's indoor venue maps allegedly assign coordinates that include a "floor level, an elevation value," in addition to latitude and longitude Compl. ¶23
• The HERE Positioning service is alleged to determine a device's indoor position using a network of cellular and Wi-Fi references where satellite signals are degraded Compl. ¶24
• The HERE Geofencing service allegedly determines when a device enters a defined area and supports the delivery of location-triggered communications, such as an advertisement for a nearby shop in a mall Compl. ¶25
• The complaint asserts that Defendant markets and provides the Accused Instrumentality for use in U.S. shopping malls, hotels, airports, and other buildings Compl. ¶26
• No probative visual evidence provided in complaint.

IV. Analysis of Infringement Allegations

'867 Patent Infringement Allegations

Claim Element (from Independent Claim 10)	Alleged Infringing Functionality	Complaint Citation	Patent Citation
a method to define a three-dimensional geographical zone utilized with a movable entity having at least one attached transponder and to communicate a message to an individual having the transponder wirelessly linked to the internet and provided with a GPS receiver	The HERE platform allegedly performs a method defining a 3D indoor zone used with a smartphone (the transponder), which is internet-linked and has a GPS/GNSS receiver, to communicate location-triggered messages.	¶29	col. 42:2-8
allowing a user to enter at least one geographical coordinate, the coordinate represented by a latitude value, a longitude value, and an elevation value, the coordinate being indoors within a building structure and derived from a network indoors within the building structure; and loading the coordinate on the at least one transponder	The HERE platform allegedly permits entry of coordinates inside a building, with elevation represented by a floor level in its venue maps. The indoor coordinate is allegedly derived from HERE's network of Wi-Fi and cellular references and loaded onto the smartphone.	¶30	col. 25:12-30
receiving over the internet, from the transponder operating based on a location of the device in a 3-D space environment, the geographical coordinate being location information derived from the GPS receiver and information identifying the individual	The HERE platform allegedly receives, over the internet from the smartphone, location information determined by HERE Positioning using GNSS/GPS and indoor network references, along with information identifying the individual.	¶31	col. 42:9-14
using the location information and the identifying information in a programmed computer...and thereupon, under the control of a programmed computer and without specific request by the individual, sending to the transponder...a message directed to the individual based on the 3-D location of the device...	HERE's hosted geofencing and messaging services allegedly use the location and identifying information to send a message to the smartphone, without a user request, based on the device's 3D location.	¶32	col. 42:27-51
and commercial communications are performed by the transponder associated with the user located in a particular geographical area...and at least one of an advertisement, promotion, or suggestion relating to that specific area is downloaded to the transponder for the user	The HERE platform allegedly performs commercial communications by downloading an advertisement, promotion, or suggestion to the user's smartphone when it is located in a specific area, such as a shopping mall.	¶33	col. 42:43-51

• Identified Points of Contention:
  • Scope Questions: The infringement theory equates a modern "smartphone" with the claimed "transponder" Compl. ¶29 A potential point of contention is whether a general-purpose smartphone, with its own operating system and myriad functions, falls within the scope of the term "transponder" as it is described and enabled in the '867 Patent, which depicts a more purpose-built device architecture '867 Patent, Fig. 2
  • Technical Questions: The '867 Patent specification describes specific, unconventional techniques, such as a "most-practically-near" algorithm for selecting an indoor location node '867 Patent, col. 26:15-38 and a "multi-line, three-of-four boundary-crossing test" for determining inside/outside status Compl. ¶17 '867 Patent, col. 15:1-16:9 The complaint alleges infringement based on the HERE platform deriving coordinates from a "network of Wi-Fi and cellular references" Compl. ¶30 A central technical question for the court will be whether the algorithms used by the Accused Instrumentality are structurally and functionally equivalent to the specific, unconventional methods disclosed in the patent, or if they represent a distinct technical approach to indoor positioning and geofencing.

V. Key Claim Terms for Construction

• The Term: "transponder"

  • Context and Importance: This term is critical because the accused device is a smartphone Compl. ¶29 The definition of "transponder" will determine whether the claim can read on modern, general-purpose consumer devices. Practitioners may focus on this term because its construction could either broadly cover modern mobile technology or confine the claim to the more specific device configurations described in the patent.
  • Intrinsic Evidence for Interpretation:
    • Evidence for a Broader Interpretation: The claims state the transponder can be a "cell phone, or PDA" '867 Patent, col. 42:36-37, suggesting the term is not limited to a single, specific hardware embodiment.
    • Evidence for a Narrower Interpretation: The specification provides a detailed description of the transponder's internal components, including a specific layout of a CPU, GPS receiver, cellular modem, and memory module '867 Patent, Fig. 2 '867 Patent, col. 10:26-67 Parties may argue this detailed disclosure implicitly defines the term more narrowly than a general-purpose smartphone.

• The Term: "coordinate being...derived from a network indoors"

  • Context and Importance: The complaint alleges this limitation is met by deriving a coordinate from HERE's "network of Wi-Fi and cellular references" Compl. ¶30 The patent, however, discloses a specific network of "location nodes" and a detailed "most practically near" algorithm to select one '867 Patent, col. 6:50-7:2 The construction of this term will be key to determining whether generic Wi-Fi/cellular positioning methods fall within the claim's scope.
  • Intrinsic Evidence for Interpretation:
    • Evidence for a Broader Interpretation: The claim language itself does not recite the specific "most practically near" algorithm, only that the coordinate is "derived from a network indoors," which could be interpreted to encompass any method using indoor network signals.
    • Evidence for a Narrower Interpretation: The specification heavily emphasizes the non-conventional nature of its location node selection algorithm as a key part of the invention, intended to solve problems where the geometrically closest reference point is not the most practical one (e.g., on another floor) Compl. ¶16 '867 Patent, col. 6:53-7:2 A party may argue that this detailed disclosure limits the claim to systems using a similar unconventional logic, rather than any generic network-based positioning.

VI. Other Allegations

• Indirect Infringement: The complaint alleges induced infringement, asserting that Defendant provides developer documentation, SDK guides, tutorials, and sample code that actively "instruct developers and end users precisely how to define three-dimensional indoor venue maps, obtain positioning, define geofences, and deliver location-triggered messages" Compl. ¶43
• Willful Infringement: Willfulness is alleged based on Defendant's continued infringement after acquiring knowledge of the '867 Patent, with knowledge dating from "at least as of the date it was first served with WirelessWerx's pleading in this dispute" Compl. ¶41 Compl. ¶46

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

• A core issue will be one of definitional scope: can the term "transponder," rooted in the patent's description of a specific device architecture, be construed to cover a modern, general-purpose smartphone, or is the accused device fundamentally different from what the patent claims and enables?
• A second key issue will be one of algorithmic equivalence: does the Accused Instrumentality's method of deriving indoor position from a network of Wi-Fi and cellular signals constitute infringement of a claim supported by a patent that describes a specific, unconventional "most-practically-near" node selection algorithm? The case may turn on whether the patent's claims are limited to its disclosed unconventional methods or are broad enough to cover more generalized approaches to indoor positioning.