DCT

1:23-cv-15901

Dyson Technology Ltd v. Partnerships Unincorp Associations

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, on information and belief)
    • Plaintiff’s Counsel: Greer, Burns & Crain, Ltd.
  • Case Identification: 1:23-cv-15901, N.D. Ill., 11/13/2023
  • Venue Allegations: Venue is alleged based on Defendants' operation of interactive e-commerce stores that directly target and make sales to consumers in Illinois.
  • Core Dispute: Plaintiff alleges that Defendants’ unauthorized hair styling and hair care apparatus infringes a U.S. design patent covering the ornamental appearance of a Dyson hair care product.
  • Technical Context: The lawsuit concerns the personal hair care appliance market, where unique and distinctive ornamental product designs are significant brand identifiers and drivers of consumer recognition.
  • Key Procedural History: The complaint is filed against a collective of unidentified defendants, alleged to be operating under various online "Seller Aliases" from foreign jurisdictions like China. This procedural posture is common in anti-counterfeiting litigation against diffuse networks of online sellers.

Case Timeline

Date Event
2017-05-30 D'642 Patent Priority Date
2019-07-09 D'642 Patent Issue Date
2023-11-13 Complaint Filing Date

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

U.S. Design Patent No. D853,642 - “Hair styling and hair care apparatus,” issued July 9, 2019. (’642 Patent)

The Invention Explained

  • Problem Addressed: The complaint asserts that Dyson products have become "enormously popular and even iconic" due to their "unique and innovative design," making them "instantly recognizable" to the public (Compl. ¶5). The patent addresses the need for a novel ornamental appearance for a hair styling appliance that distinguishes it in the marketplace.
  • The Patented Solution: The patent protects the specific, non-functional, ornamental design for a hair styling apparatus (D’642 Patent, Claim). The design, as illustrated in the patent’s figures, consists of a wand-like apparatus with a long, cylindrical body, a tapered front end with fluted details, a specific arrangement of control buttons, a textured grip section near the rear, and a conical transition to the power cord (D’642 Patent, Figs. 1-7). The claim protects the overall visual impression created by this combination of features.
  • Technical Importance: The complaint alleges that such distinctive designs are broadly recognized by consumers and have come to be associated with the quality and innovation expected from the Dyson brand (Compl. ¶8).

Key Claims at a Glance

  • Design patents contain a single claim. The asserted claim is: "The ornamental design for a hair styling and hair care apparatus, as shown and described" (’642 Patent, Claim).
  • The "elements" of a design claim are the visual features depicted in the patent's drawings. The core visual features of the ’642 Patent design include:
    • The overall configuration and proportions of the elongated, wand-like body.
    • The tapered front end with its particular surface ornamentation.
    • The specific placement and shape of the buttons on the main body.
    • The textured, knurled pattern on the rear grip section.
    • The shape of the transition from the body to the power cord.

III. The Accused Instrumentality

Product Identification

The accused instrumentalities are "unauthorized and unlicensed" hair styling and hair care apparatuses, referred to as the "Infringing Products" (Compl. ¶3).

Functionality and Market Context

The complaint alleges that Defendants are e-commerce store operators who make, use, offer for sale, sell, and/or import the Infringing Products through online marketplace platforms such as Amazon, eBay, AliExpress, and Temu (Compl. ¶3, ¶12). These e-commerce stores are allegedly designed to appear to consumers as authorized retailers, using content and images that make it difficult to distinguish them from genuine channels (Compl. ¶15). The complaint further alleges that the Defendants operate under multiple fictitious aliases to conceal their identities and evade enforcement actions (Compl. ¶11, ¶18). The complaint provides a perspective view of the patented design, identified as FIG. 1, to illustrate the overall appearance of the hair styling apparatus that is allegedly infringed. (Compl. p. 4).

IV. Analysis of Infringement Allegations

The complaint does not contain a claim chart exhibit. The infringement theory is presented narratively.

The complaint alleges that Defendants are infringing the ’642 Patent by "making, using, offering for sale, selling, and/or importing into the United States for subsequent sale or use Infringing Products that infringe directly and/or indirectly the ornamental design claimed in the Dyson Design" (Compl. ¶25). The core of the allegation is that the accused products incorporate the patented design, creating a visual appearance that is substantially the same as that shown in the figures of the ’642 Patent (Compl. ¶3, ¶8). The legal test for design patent infringement is whether, in the eye of an ordinary observer, the accused design is substantially the same as the claimed design, such that the observer would be deceived into purchasing the accused product believing it to be the patented one. The complaint asserts that the Infringing Products, an example of which is referenced in Exhibit 1 (not provided with the filed complaint), meet this standard (Compl. ¶3).

  • Identified Points of Contention:
    • Scope Questions: In design patent cases, the central question is one of visual scope: Is the overall ornamental appearance of the accused products "substantially the same" as the design claimed in the ’642 Patent? The dispute will focus on whether any visual differences between the accused products and the patent's drawings are significant enough to be noticed by an ordinary observer, thereby avoiding infringement.
    • Technical Questions: A key evidentiary question will be establishing the precise appearance of the accused products. As the complaint does not include images of the actual Infringing Products, the case will depend on evidence produced during discovery to allow for a side-by-side visual comparison against the drawings of the ’642 Patent (D’642 Patent, Figs. 1-7).

V. Key Claim Terms for Construction

Claim construction is generally not performed for design patents because the claim is understood to be defined by the drawings rather than by words. The analysis is a visual comparison of the claimed design as a whole with the accused product.

  • The Term: "The ornamental design for a hair styling and hair care apparatus, as shown and described."
  • Context and Importance: The scope of this "claim" is the entire case. The infringement analysis depends entirely on the visual comparison between the accused products and the design shown in the patent's figures. Practitioners may focus on the question of whether the design should be viewed holistically for its overall impression or whether specific, individual features shown in the drawings must be replicated exactly.
  • Intrinsic Evidence for Interpretation:
    • Evidence for a Broader Interpretation: A party arguing for a broader scope would contend that the claim protects the overall visual impression of the design as shown in the figures (’642 Patent, Figs. 1-7). They would argue that minor deviations in individual features that do not change the overall aesthetic should not defeat a finding of infringement.
    • Evidence for a Narrower Interpretation: A party arguing for a narrower scope would contend that the claim is limited to the exact design shown in the solid lines of the drawings. They would emphasize that specific features—such as the precise fluting on the tip, the exact shape of the buttons, or the particular knurled texture of the grip—are all essential limitations of the claim, and any product that omits or alters them does not infringe (’642 Patent, Figs. 1-7).

VI. Other Allegations

  • Indirect Infringement: The complaint alleges that Defendants have "jointly and severally, knowingly and willfully offered for sale, sold, and/or imported... the same product that infringes directly and/or indirectly the Dyson Design" (Compl. ¶21). The prayer for relief also seeks to enjoin aiding and abetting or contributing to infringement (Compl. Prayer ¶1(b)). These allegations are based on the theory that Defendants operate as a coordinated network, but the complaint does not plead specific facts to support distinct legal theories of induced or contributory infringement beyond the direct infringement by the sellers themselves.
  • Willful Infringement: Willfulness is explicitly alleged (Compl. ¶22). The complaint asserts that "Defendants are working in active concert to knowingly and willfully manufacture, import, distribute, offer for sale, and sell Infringing Products" (Compl. ¶21). This allegation may be supported by claims that Defendants use tactics such as fictitious aliases and offshore accounts to consciously evade detection and enforcement, suggesting a disregard for Plaintiff's patent rights (Compl. ¶17-20).

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

  • A core issue will be one of visual comparison: As the complaint does not provide images of the accused products, the case will turn on evidence establishing their actual appearance and whether an ordinary observer would find them substantially the same as the design claimed in the ’642 Patent.
  • A second key issue is procedural and jurisdictional: The case's viability depends on Plaintiff's ability to successfully identify, serve, and establish personal jurisdiction over the anonymous and allegedly foreign entities operating behind the various "Seller Aliases" identified in the complaint.
  • Finally, a central legal question will be the effective scope of the design: The court will need to determine how holistically to view the patented design and how to weigh any minor differences between the accused products and the specific ornamental features depicted in the patent’s drawings.