DCT

1:24-cv-01587

Dyson Technology Ltd v. Partnerships Unincorp Associations

Key Events
Complaint
complaint

I. Executive Summary and Procedural Information

  • Parties & Counsel:
    • Plaintiff: Dyson Technology Limited (United Kingdom)
    • Defendant: The Partnerships and Unincorporated Associations Identified on Schedule “A” (People's Republic of China or other foreign jurisdictions)
    • Plaintiff’s Counsel: Greer, Burns & Crain, Ltd.
  • Case Identification: Dyson Technology Limited v. The Partnerships and Unincorporated Associations Identified on Schedule “A”, 1:24-cv-01587, N.D. Ill., 02/26/2024
  • Venue Allegations: Venue is alleged to be proper based on Defendants' activities of targeting sales to consumers in Illinois and the United States through interactive e-commerce stores.
  • Core Dispute: Plaintiff alleges that a network of unnamed online sellers infringes its design patent covering the ornamental appearance of a hair styling apparatus by selling unauthorized, look-alike products.
  • Technical Context: The lawsuit operates in the premium consumer appliance market, where a product's unique and recognizable ornamental design can be a significant driver of brand value and consumer recognition.
  • Key Procedural History: The complaint is structured to target a large, shifting network of online sellers who allegedly operate under fictitious aliases to evade intellectual property enforcement, a common litigation strategy in response to the proliferation of counterfeit goods on e-commerce platforms.

Case Timeline

Date Event
2017-05-30 U.S. Patent No. D853,642 Priority Date
2019-07-09 U.S. Patent No. D853,642 Issued
2024-02-26 Complaint Filed

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

  • Patent Identification: U.S. Design Patent No. D853,642, "Hair Styling and Hair Care Apparatus," issued July 9, 2019.
  • The Invention Explained:
    • Problem Addressed: In the market for consumer hair care appliances, establishing a distinct and recognizable product identity is a key commercial challenge. The patent addresses the need for a new, original, and ornamental design for a hair styling apparatus that is visually distinct from prior art designs (Compl. ¶5, ¶8).
    • The Patented Solution: The patent protects the specific, non-functional, visual appearance of a hair styling apparatus. The claimed design consists of the visual characteristics embodied in the patent's seven figures, which depict a wand-like apparatus with a long, cylindrical main body, a tapered and fluted front end, a knurled section near the base where the cord attaches, and a particular arrangement of buttons and indicators on the body (’642 Patent, Figs. 1-7; Description). The sole claim is for "the ornamental design... as shown and described" (’642 Patent, Claim).
    • Technical Importance: The complaint alleges that such distinctive designs are broadly recognized by consumers, become associated with the quality and innovation of the brand, and are a key part of the product's identity and value (Compl. ¶8).
  • Key Claims at a Glance:
    • The patent contains a single claim for "The ornamental design for a hair styling and hair care apparatus, as shown and described."
    • The scope of a design patent claim is defined by its drawings. The essential elements are the visual features depicted in the patent's figures, including:
      • The overall shape and configuration of the wand-like apparatus.
      • The surface ornamentation, including the tapered, fluted front end.
      • The knurled texture at the base of the handle.
      • The specific placement and shape of the buttons and indicators on the main body.

III. The Accused Instrumentality

  • Product Identification: The accused instrumentalities are "the hair styling and hair care apparatus" offered for sale by the Defendants, referred to collectively as the "Infringing Product" (Compl. ¶3).
  • Functionality and Market Context: The complaint alleges that Defendants operate numerous e-commerce stores under various "Seller Aliases" on platforms such as Amazon, eBay, AliExpress, and Temu (Compl. ¶12). These stores are allegedly designed to appear as authorized retailers to consumers and are part of an interrelated network that may source products from a common manufacturer (Compl. ¶15, ¶18). Defendants are accused of using these aliases and platforms to sell unauthorized products that allegedly copy the patented "Dyson Design" directly to consumers in the United States, including Illinois (Compl. ¶14, ¶21). The complaint contains a table showing Figure 1 from the patent, identifying it as the "Dyson Design" at issue (Compl. ¶8).

IV. Analysis of Infringement Allegations

The complaint does not provide a claim chart exhibit. The infringement theory is based on the overall visual similarity between the accused products and the patented design.

The complaint alleges that Defendants' "Infringing Products" infringe the ’642 Patent because their ornamental design is substantially the same as the design claimed in the patent, creating a visual appearance that would deceive an ordinary observer (Compl. ¶25). The infringement test for a design patent is whether, in the eye of an ordinary observer familiar with the prior art, the resemblance is such as to deceive such an observer, inducing them to purchase one supposing it to be the other. The complaint asserts that the accused products copy the overall visual impression of the apparatus depicted in the patent's figures (Compl. ¶3, ¶8). The complaint includes several figures from the patent itself, such as the perspective view in Figure 1, to establish the appearance of the claimed design (Compl. ¶8).

  • Identified Points of Contention:
    • Evidentiary Question: A central question will be factual: once evidence of the accused products is presented, will their design be considered "substantially the same" as the ’642 Patent's design from the perspective of an ordinary observer? The outcome will depend on a side-by-side comparison of the actual products with the patent's drawings.
    • Scope Question: The complaint targets a broad network of sellers and "Infringing Products" (Compl. ¶3, ¶10). This raises the question of whether all accused products sold by the various Defendants are visually identical. If there are variations among the accused products, separate infringement analyses may be necessary for each distinct design.

V. Key Claim Terms for Construction

The complaint does not provide sufficient detail for analysis of specific claim terms for construction. In a design patent case, claim construction is generally limited to describing the claimed design in words, as the figures themselves define the scope of the claim. The single claim—"The ornamental design for a hair styling and hair care apparatus, as shown and described"—does not contain technical terms that are likely to be the subject of a significant construction dispute. The core of the case will likely turn on the application of the "ordinary observer" infringement test rather than the definition of a specific word.

VI. Other Allegations

  • Indirect Infringement: The complaint alleges that the Defendants are "working in active concert" and acting "jointly and severally" to manufacture, import, and sell the Infringing Products (Compl. ¶21). The prayer for relief also seeks to enjoin any "aiding, abetting, contributing to, or otherwise assisting anyone" in infringing, which supports a theory of liability for indirect infringement (Compl. p. 12).
  • Willful Infringement: Willfulness is explicitly pleaded (Compl. ¶22). The complaint alleges that Defendants act "knowingly and willfully" and points to their alleged use of multiple fictitious aliases, offshore accounts, and other tactics as evidence of an intent to conceal their activities and evade enforcement of Dyson's patent rights (Compl. ¶17, ¶19, ¶21).

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

  • A core issue will be one of visual comparison: will the specific ornamental designs of the accused products, once presented to the court, be "substantially the same" as the design depicted in the ’642 Patent’s figures when viewed through the eyes of an ordinary observer?
  • A second key question will be scope and enforcement: given that the defendants are a large and allegedly shifting network of foreign online sellers, can the plaintiff effectively obtain evidence and enforce a potential judgment against all parties making and selling the various accused products?
  • Finally, a central evidentiary question for willfulness and damages will be whether the plaintiff can prove that the defendants acted as an interrelated concert of actors with knowledge of the patent, as alleged, rather than as independent, unrelated infringers.