Krueger Intl Inc v. Aloft Media LLC

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: Krueger International, Inc. (Wisconsin)
  • Defendant: Aloft Media, LLC (Texas)
  • Plaintiff's Counsel: Andrus Intellectual Property Law, LLP
• Case Identification: 1:26-cv-00425, E.D. Wis., 03/17/2026
• Venue Allegations: Plaintiff Krueger International, Inc. ("KI") alleges venue is proper in the Eastern District of Wisconsin because Defendant Aloft Media, LLC ("Aloft") directed its patent enforcement activities into the district by sending infringement allegations, claim charts, and licensing demands to KI at its principal place of business in Green Bay, Wisconsin.
• Core Dispute: This is a declaratory judgment action in which Plaintiff KI seeks a declaration that its corporate website does not infringe Defendant Aloft's U.S. Patent No. 10,372,793, and that the patent is invalid and/or unenforceable.
• Technical Context: The dispute centers on computer-implemented methods for website navigation, specifically the functionality of drop-down menus that reveal hyperlinks to a user.
• Key Procedural History: The action was precipitated by a notice letter sent by Aloft to KI on February 9, 2026. The letter accused KI's website of infringing the asserted patent, included a claim chart, and proposed a license agreement. The complaint notes that U.S. Patent No. 7,032,183 was cited as prior art by the examiner during the prosecution of the patent-in-suit.

Case Timeline

Date	Event
2001-06-05	U.S. Patent No. 7,032,183 (cited prior art) filed
2006-03-20	U.S. Patent No. 10,372,793 earliest priority date
2019-08-06	U.S. Patent No. 10,372,793 issued
2026-02-09	Aloft sends notice letter and claim chart to KI
2026-03-17	Complaint for Declaratory Judgment filed

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

U.S. Patent No. 10,372,793 - "Hyperlink with Graphical Cue"

• Patent Identification: U.S. Patent No. 10,372,793, "Hyperlink with Graphical Cue," issued August 6, 2019 (the "'793 Patent") Compl. ¶17

The Invention Explained

• Problem Addressed: The patent's background section identifies a drawback with conventional textual hyperlinks on web pages: they often fail to provide a clear indication of the hyperlink's destination, forcing a user to navigate away from the current page simply to discover where a link leads, which the patent characterizes as "tedious and time-consuming" '793 Patent, col. 1:49-65 The complaint echoes this, stating the problem is that prior art menus "do not make the destination of the hyperlink clear" Compl. ¶27
• The Patented Solution: The invention is directed to "improving the usefulness of hyperlinks in web pages" '793 Patent, col. 1:24-26 It discloses a multi-step interaction where a user first selects a primary menu item, which in turn displays a set of secondary hyperlinks. The specification describes an embodiment, illustrated in Figure 5A, where a web page is divided into frames. User interaction with a hyperlink in a first frame causes a preview of the destination content to be displayed in a second frame, allowing the user to see the content "before navigating away from the initial web page" Compl. ¶31 '793 Patent, Fig. 5A
• Technical Importance: The described solution aims to enhance user experience and navigation efficiency by providing more information about a link's destination without requiring a full page load or departure from the user's current context '793 Patent, col. 1:24-26 '793 Patent, col. 2:5-15

Key Claims at a Glance

• The complaint asserts that Aloft accused KI of infringing independent Claim 29 Compl. ¶19
• The essential elements of Claim 29 are:
  • A method providing content for a web page with code, representations of menu items, and initially hidden hypertext representations of hyperlinks.
  • Causing the display of the menu items, without any images.
  • Allowing receipt of a first user input selecting a menu item.
  • In response to the first input, causing the display of the set of hyperlinks.
  • Allowing receipt of a second user input selecting a hyperlink.
  • In response to the second input, causing the display of "another web page" with "additional content" simultaneously with the set of menu items, to allow continued use of the menu while the additional content is displayed.
• The complaint does not state whether dependent claims were asserted but seeks a declaration of non-infringement for "any valid and enforceable claim" Compl. ¶46

III. The Accused Instrumentality

Product Identification

• The "Accused KI Website," a public-facing website located at www.ki.com Compl. ¶9

Functionality and Market Context

• The website is used by KI, a furniture manufacturer, to provide information about its products and services Compl. ¶¶2, 21 The complaint states the website implements a dropdown menu where selecting a top-level item (e.g., "Products") reveals subordinate hyperlinks (e.g., "Seating") Compl. ¶¶22-23 According to the complaint, clicking a subordinate hyperlink directs the user to an entirely new web page Compl. ¶24 It is alleged that the navigation menu and header are not persistent but are reloaded as a new instance with each page navigation, based on the server-rendered HTML for each page Compl. ¶¶24-25 A screenshot in the complaint shows a large "mega menu" that appears when a user interacts with the "Products" menu item Compl. ¶37

IV. Analysis of Infringement Allegations

This is a declaratory judgment action for non-infringement. The table below summarizes KI's stated reasons why its website does not meet a key limitation of the asserted claim.

'793 Patent Infringement Allegations

Claim Element (from Independent Claim 29)	Alleged (Non-)Infringing Functionality	Complaint Citation	Patent Citation
...causing, ... display of another web page corresponding to the one of the set of one or more representations of one or more hyperlinks, the another web page including at least a portion of additional content simultaneously with the set of one or more representations of one or more menu items, so as to allow use of the... menu items while the... additional content is simultaneously displayed...	The Accused KI Website directs the user to an entirely new page upon hyperlink selection Compl. ¶24 The original menu is not persistently displayed; rather, the menu is reloaded as part of the new page's HTML Compl. ¶25 Compl. ¶40 KI argues this does not constitute a "simultaneous" display as required by the claim Compl. ¶26	¶¶24-26; ¶40	col. 24:45-59

Identified Points of Contention

• Scope Questions: The central dispute appears to be the construction of the phrase "display ... additional content simultaneously with the set of one or more representations of one or more menu items." A key question for the court will be whether this language requires the original instance of the menu to remain on-screen while new content is loaded (as in a framed website), or if it can be read to cover conventional navigation where a new page loads that contains a re-rendered copy of the menu. KI's complaint advances the former interpretation Compl. ¶27
• Technical Questions: A factual question will be how the Accused KI Website's navigation functions. The complaint alleges that it "directs the user to an entirely new page where a new instance of the main menu is rendered" and does not use client-side rendering or AJAX to display content previews Compl. ¶24 Compl. ¶40 To support its argument that this is non-infringing prior art behavior, the complaint includes a figure from a prior art patent, U.S. Patent No. 7,032,183, which illustrates a cascading menu system for site navigation Compl. ¶35 The complaint also includes a figure from the asserted patent itself to argue the patented invention requires a framed preview system, a feature KI alleges its site lacks Compl. ¶30

V. Key Claim Terms for Construction

• The Term: "simultaneously with the set of one or more representations of one or more menu items"
• Context and Importance: This term is the foundation of KI's non-infringement argument. The definition will determine whether a conventional website that reloads a navigation menu on each new page can infringe. Practitioners may focus on this term because it appears to be the clearest point of distinction between the patent's preferred embodiment and the accused website's alleged operation Compl. ¶¶24-27
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The plain language of Claim 29 itself does not explicitly state that the same instance of the menu must persist. An argument may be made that as long as the "another web page" that is displayed contains both the "additional content" and the "menu items," they are displayed "simultaneously" on that new page '793 Patent, col. 24:45-59
  • Evidence for a Narrower Interpretation: The patent's detailed description and figures may support a narrower construction. Figure 5A and its accompanying text describe a system using a first frame (502a) and a second frame (502b), where selecting a hyperlink in the first frame "displays the destination of the selected hyperlink in the frame 502b, which allows the user to preview the website destination before navigating away from the initial web page" Compl. ¶31 This embodiment suggests the "simultaneous" display involves a persistent menu that remains static while other content is loaded into a different part of the same page view '793 Patent, Fig. 5A '793 Patent, col. 7:30-44

VI. Other Allegations

The complaint does not provide sufficient detail for analysis of indirect or willful infringement, as it is a declaratory judgment action filed by the accused infringer.

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

• A core issue will be one of definitional scope: can the claim term "simultaneously with," which is described in the specification in the context of a framed website for previewing content, be construed to cover a standard website architecture where the navigation menu is re-rendered as part of a full-page load?
• A second central issue will be the relationship to prior art: KI argues that its website's menu functions like prior art systems, including one disclosed in a patent cited during the '793 Patent's prosecution (Compl. ¶32; Compl. ¶33; Compl. ¶34; Compl. ¶35; Compl. ¶36). The case will likely require a detailed comparison of the accused website's functionality not only to the asserted claim, but also to what was known in the art, which will be central to both the non-infringement and invalidity arguments.