Activemap LLC v. Compass Inc

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: Activemap LLC (New York)
  • Defendant: Compass, Inc. (Delaware)
  • Plaintiff's Counsel: Garteiser Honea, PLLC
• Case Identification: 2:26-cv-00169, E.D. Tex., 02/27/2026
• Venue Allegations: Plaintiff alleges venue is proper in the Eastern District of Texas because Defendant maintains an established place of business in Frisco, Texas, within the district.
• Core Dispute: Plaintiff alleges that Defendant's real estate website and its interactive mapping features infringe three patents related to systems for electronically presenting interactive maps linked with associated data.
• Technical Context: The technology concerns interactive web-based maps that dynamically link graphical map elements to corresponding list-based information, a functionality foundational to online real estate portals and store locators.
• Key Procedural History: The complaint alleges that the asserted patent portfolio has been licensed 30 times and that related European patents were successfully asserted in German courts.

Case Timeline

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

U.S. Patent No. 8,468,464 - "Interactive Electronically Presented Map" (issued June 18, 2013)

The Invention Explained

• Problem Addressed: The patent background describes the landscape of early internet map services, implying a need for a more integrated and interactive user experience beyond what was offered by services like Mapquest or Yahoo Maps at the time '464 Patent, col. 1:35-47
• The Patented Solution: The invention provides a system for "two-way interactivity" '464 Patent, col. 3:6-8 It discloses a method where a map and associated information (e.g., a list of locations) are presented together. A user can select an item from the list, causing the map to update and center on that item's location, or conversely, a user can select a location on the map to retrieve its associated information from the list '464 Patent, col. 2:66-3:15
• Technical Importance: This two-way linkage between a graphical map and a dynamic data list was a key development for user-friendly online locator services, which the complaint alleges was "foundational" for such functionality Compl. ¶20

Key Claims at a Glance

• The complaint asserts at least independent claim 1 Compl. ¶29
• Claim 1 requires a method where a computer causes a display to:
  • Simultaneously present a first portion of a map, information on the map (e.g., icons), and user-selectable information outside the map (e.g., a list).
  • In response to a user's selection from the outside information, present a second, different map portion.
• The complaint reserves the right to assert additional claims Compl. ¶29

U.S. Patent No. 10,444,943 - "Interactive Electronically Presented Map" (issued October 15, 2019)

The Invention Explained

• Problem Addressed: The patent addresses the need to improve the presentation and usability of electronic maps by creating a more dynamic link between the map itself and related data '943 Patent, col. 1:17-21
• The Patented Solution: The invention describes a computerized system that provides a map with selectable items. When a user selects an item from a list, the system provides a "second display" that is "at least partially different" and includes graphical information for the selected item along with additional details '943 Patent, claim 1 The specification also discloses a "magnifier" feature, which presents a magnified view of a portion of the map alongside the main, unmagnified view to aid navigation '943 Patent, Fig. 5 '943 Patent, col. 2:5-10
• Technical Importance: The claimed method provides a core framework for interactive online databases, such as real estate or store locators, where users navigate between a general map view and detailed views of specific items Compl. ¶10 Compl. ¶20

Key Claims at a Glance

• The complaint asserts at least independent claim 1 Compl. ¶46
• Claim 1 requires a method comprising the steps of:
  • Providing a first display with a map portion, item information on the map, and a user-selectable list of items.
  • Receiving user input selecting one of the items.
  • In response, providing a second, partially different display containing an updated map portion, item information for the selected item, and additional information about that item.
• The complaint reserves the right to assert additional claims Compl. ¶46

U.S. Patent No. 10,908,782 - "Interactive Electronically Presented Map" (issued February 2, 2021)

• Technology Synopsis: The patent discloses a method for interacting with an electronic map display. It describes a system that receives a user query for a category of items, provides a map centered on a relevant geographic area, and, upon the user's selection of a specific item from a list, displays a new map centered on the location of that selected item '782 Patent, claim 1
• Asserted Claims: The complaint asserts at least independent claim 1 Compl. ¶63
• Accused Features: The complaint alleges the interactive search and display functionality of the Compass website, which allows users to query for real estate listings and view their locations on a map, infringes the patent Compl. ¶62 Compl. ¶65

III. The Accused Instrumentality

Product Identification

• The accused instrumentality is the "Accused Products," defined as the Defendant's website and its associated "interactive mapping ecosystem," including backend servers, software, and cloud infrastructure Compl. ¶¶25-26

Functionality and Market Context

• The accused website provides an interactive map for searching and viewing real estate properties Compl. ¶25 As depicted in the complaint, a user can enter a query, such as a city name, which results in a map populated with icons representing property listings. The screenshot in Figure 3 of the complaint shows a map of Plano, Texas, with numerous selectable points corresponding to real estate listings, alongside a list of those properties Compl. Fig. 3 The system allegedly enables users to interact with these map elements and lists to obtain further information Compl. ¶25
• The complaint does not make specific allegations regarding the market positioning of the Accused Products.

IV. Analysis of Infringement Allegations

'464 Patent Infringement Allegations

'943 Patent Infringement Allegations

Identified Points of Contention

• Scope Questions: A potential point of contention for both patents may be the interpretation of terms describing the presentation of information, such as "simultaneously present" ('464 Patent) and "a second display which is at least partially different from the first" ('943 Patent). The dispute may center on whether these terms, drafted in the context of earlier web technologies, read on the dynamic, single-page application frameworks common in modern websites, where content may be updated in-place rather than through a full page reload.
• Technical Questions: The complaint provides static screenshots as evidence, such as the initial search results page Compl. Fig. 3 A key evidentiary question will be whether the accused product's dynamic behavior-specifically, the sequence of events that occurs after a user selects an item-satisfies the multi-step method claims. The complaint does not contain visual evidence of the system's state after a user selection is made.

V. Key Claim Terms for Construction

The Term: "simultaneously present" (from '464 Patent, claim 1)

• Context and Importance: This term is critical because it governs the required spatial and temporal relationship between the map, the on-map icons, and the off-map list. Practitioners may focus on this term because the architecture of the accused website-which might load different interface components into separate frames or update them asynchronously-could create a dispute over whether all required elements are "simultaneously" on display as the claim requires.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The specification's figures, such as Figure 5, depict an integrated user interface with a map area (40), a magnified view (50), and a text/category area (90) presented as a cohesive whole, which may support an interpretation that "simultaneously" refers to the overall user interface rather than a literal, single-frame render at one instant in time '464 Patent, Fig. 5
  • Evidence for a Narrower Interpretation: The plain language of the term suggests events occurring at the same time. Embodiments show all elements co-located on a single screen, which a party could argue supports a narrower construction requiring all claimed information to be visible to a user at the same moment without scrolling or other interaction.

The Term: "a second display which is at least partially different from the first display" (from '943 Patent, claim 1)

• Context and Importance: The definition of this term will be central to determining what type of system response constitutes an infringing act. Given that modern web applications often update content dynamically without navigating to a new page, the case may turn on whether an in-place update of a web page component (e.g., via AJAX) creates a "second display."
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The patent describes a process of user selection leading to the presentation of new information '943 Patent, col. 9:11-20 This functional description may support a broad construction where any user-perceptible change in the interface that presents the claimed "additional information" constitutes a "second display."
  • Evidence for a Narrower Interpretation: A party might argue that the term "a second display" implies a more discrete event than a partial content update, such as a full page reload or navigation to a new URL. The claim recites a sequence of providing a "first display" and then a "second display," which could suggest two distinct presentments rather than a modification of a single, persistent one.

VI. Other Allegations

• Indirect Infringement: The complaint alleges inducement of infringement, stating that Defendant provides instructions to its customers and end users on how to use the Accused Products in an infringing manner Compl. ¶38 Compl. ¶55 Compl. ¶72
• Willful Infringement: Willfulness is alleged based on Defendant's purported "policy or practice against investigating third party patent rights," which Plaintiff claims constitutes willful blindness to its patent rights Compl. ¶33 Compl. ¶50 Compl. ¶67 This allegation is based on pre-suit knowledge.

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

• A core issue will be one of technological scope: can claim terms drafted for early-2000s web technology, such as "a second display," be construed to cover the dynamic, single-page application frameworks used in the accused modern real estate website, where content is often updated in-place without a full page reload?
• A key evidentiary question will be one of infringing operation: the complaint relies on static screenshots of the accused website's initial state, but the asserted method claims require a sequence of user actions and system responses. The case will likely depend on evidence demonstrating the actual, dynamic operation of the website and whether that operation maps to the specific steps recited in the claims.
• The viability of the willful infringement claim will be a central question. It rests on an allegation of a "policy or practice" of willful blindness, and the case will test whether Plaintiff can produce sufficient factual evidence to support this assertion and meet the high bar for establishing the requisite knowledge and intent.