Shenzhen Hongcheng Youpin Co Ltd v. Individuals Corps Ltd

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: Shenzhen Hongcheng Youpin Co., Ltd. (Shenzhen, China)
  • Defendant: The Individuals, Corporations, Limited Liability Companies, Partnerships, and Unincorporated Associations Identified on Schedule "A" Hereto (People's Republic of China or other foreign jurisdictions)
  • Plaintiff's Counsel: Law Office of Cole Carlson
• Case Identification: 1:26-cv-24612, S.D. Fla., 07/06/2026
• Venue Allegations: Venue is alleged to be proper because the defendants are not residents of the United States and may be sued in any judicial district. Additionally, the complaint alleges that a substantial part of the events giving rise to the claim, namely the offering for sale and selling of accused products, occurred within the district.
• Core Dispute: Plaintiff alleges that Defendants' inflatable pool float chair products sold through online storefronts infringe a U.S. design patent for a "Floating Chair."
• Technical Context: The dispute is in the consumer recreational goods sector, specifically concerning the ornamental design of inflatable accessories for swimming pools.
• Key Procedural History: The complaint is filed against a number of unidentified defendants, whose identities are provided in a "Schedule A" that the plaintiff contemporaneously moved to file under seal. This procedural posture is common in actions targeting numerous online sellers, often based overseas, and is intended to prevent the dissipation of assets before relief can be obtained.

Case Timeline

Date	Event
2022-04-06	U.S. Patent No. D1,023,208 Application Filing / Priority Date
2024-04-16	U.S. Patent No. D1,023,208 Issued
2026-07-06	Complaint Filing Date

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

U.S. Design Patent No. D1,023,208 - "Floating Chair"

• Patent Identification: U.S. Design Patent No. D1,023,208 S, titled "Floating Chair," issued on April 16, 2024 Compl. ¶11

The Invention Explained

• Problem Addressed: Design patents protect ornamental appearance rather than functional utility. The implicit problem addressed is the creation of a new, original, and ornamental appearance for a floating chair that is aesthetically distinguishable from prior designs Compl. ¶13
• The Patented Solution: The patent claims the specific ornamental design for a floating chair as depicted in its figures '208 Patent, CLAIM Compl. ¶13 The design consists of a U-shaped inflatable body with a backrest connecting two prominent, cylindrical armrests, between which a seat is slung '208 Patent, Figs. 1, 6 The armrests each feature a circular recess on their top surface '208 Patent, Fig. 6 Notably, the patent states that broken lines illustrate portions of the chair that form no part of the claimed design, which includes the pattern on the seat surface '208 Patent, DESCRIPTION '208 Patent, Fig. 1
• Technical Importance: The complaint alleges that products embodying the patented design have achieved "commercial success and consumer recognition" Compl. ¶14

Key Claims at a Glance

• Design patents contain a single claim, which is pictorial in nature. The complaint asserts this single claim Compl. ¶13 Compl. ¶19
• The claim is for "The ornamental design for a floating chair, as shown and described" '208 Patent, CLAIM The scope of this claim is defined by the solid lines in Figures 1 through 7 of the patent. The key visual elements defined by the solid lines include:
  • The overall U-shaped configuration of the inflatable body.
  • The general shape of the slung seat area.
  • The shape and placement of the cylindrical armrests with circular recesses.
  • The profile and curvature of the backrest.

III. The Accused Instrumentality

Product Identification

• The complaint identifies the accused instrumentalities as "inflatable pool float chair products" sold by the defendants Compl. ¶2, collectively referred to as the "Accused Products" Compl. ¶15

Functionality and Market Context

• The complaint describes the Accused Products as items sold through "commercial Internet stores" on the "Amazon.com marketplace" Compl. ¶5
• It is alleged that the defendants are "sophisticated online sellers" who target the same consumer base and product categories as the plaintiff Compl. ¶17 The complaint also alleges that defendants operate from the People's Republic of China or other foreign jurisdictions and conceal their identities to evade enforcement Compl. ¶3 Compl. ¶6

IV. Analysis of Infringement Allegations

The complaint does not contain a claim chart but alleges that infringement is evident by applying the "ordinary observer" test Compl. ¶22 The core of the infringement allegation is that the Accused Products "embody designs that are substantially the same as the ornamental design claimed in the '208 Patent" Compl. ¶16 The complaint asserts that this resemblance is sufficient "to deceive an ordinary observer" into purchasing an Accused Product under the belief that it is the patented design Compl. ¶16 The complaint references side-by-side visual comparisons in a "Schedule A" and/or "Exhibit 2" Compl. ¶16; however, these exhibits were not included with the provided complaint document. No probative visual evidence provided in complaint.

The primary point of contention in a design patent case is typically a factual dispute over the degree of similarity between the patented design and the accused product. The legal test is whether "an ordinary observer, giving such attention as a purchaser usually gives, would be deceived" into believing the accused product is the same as the patented design, when considering the designs in the context of the prior art Compl. ¶22 The analysis will therefore hinge on a visual comparison of the overall appearance of the Accused Products against the figures in the '208 Patent.

V. Key Claim Terms for Construction

In design patent litigation, formal claim construction of terms is less common than in utility patent cases, as the claim's scope is primarily defined by the drawings. However, the interpretation of the visual scope of the claim is central.

• The Term: "ornamental design for a floating chair, as shown and described" '208 Patent, CLAIM
• Context and Importance: The entire dispute rests on the visual scope of this "picture claim." The central issue is not the definition of a word, but the boundaries of the claimed aesthetic. Practitioners will focus on how the disclaimer of features shown in broken lines affects the overall comparison and what level of deviation from the solid-line drawings is permissible before a competing design is no longer "substantially the same."
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: A party might argue that the claim covers the overall visual impression and aesthetic concept of the chair-a U-shaped float with a slung seat and prominent armrest-cupholders. The claim text itself is broad, simply referencing the design "as shown and described" '208 Patent, CLAIM
  • Evidence for a Narrower Interpretation: The patent explicitly disclaims the pattern shown on the seat surface via the use of broken lines, stating they "form no part of the claimed design" '208 Patent, DESCRIPTION A party could argue this narrows the claim to the specific shapes and proportions of the solid-line features only (the main body, armrests, and overall seat outline), and that the design provides no protection for any particular seat pattern. This could allow an accused product with a different overall shape to escape infringement, even if it has a similar seat pattern.

VI. Other Allegations

• Indirect Infringement: The complaint does not plead specific facts to support claims for induced or contributory infringement, focusing its allegations on direct infringement by the defendants for making, using, importing, offering to sell, and selling the Accused Products Compl. ¶21
• Willful Infringement: The complaint alleges that the defendants' infringement is "knowingly and willfully" infringing Compl. ¶17 and has been "deliberate and willful" Compl. ¶23 The factual basis for this allegation appears to be an inference drawn from the defendants' status as "sophisticated online sellers" who allegedly "copy Plaintiff's patented design" and "conceal their identities" to avoid enforcement Compl. ¶17

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

1. The Ordinary Observer Test: Will an ordinary observer, familiar with the prior art for floating chairs, be deceived into believing the defendants' products are the same as the patented design? This factual question will require a side-by-side comparison of the overall visual appearance of the accused products with the drawings in the '208 Patent.

2. Scope of the Design Claim: How does the disclaimer of the seat pattern (via broken lines) impact the scope of the design patent? A central issue will be whether infringement requires matching the overall U-shaped configuration depicted in solid lines, or if variations in that shape can be overcome by other aesthetic similarities.

3. Enforcement Feasibility: Beyond the merits of infringement, a significant practical question is whether the plaintiff can successfully identify, serve, and enforce a potential judgment against the numerous, allegedly foreign-based and pseudonymous online sellers that are the targets of this action Compl. ¶7