Shenzhen Kean Silicone Product Co Ltd v. Hong Kong Yueran Trading Ltd

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: Shenzhen Kean Silicone Product Co., Ltd. (China)
  • Defendant: Hong Kong Yueran Trading Limited (Hong Kong SAR, China)
  • Plaintiff's Counsel: Avek IP, LLC
• Case Identification: 1:26-cv-10237, N.D. Ill., 08/25/2026
• Venue Allegations: Venue is alleged to be proper based on Defendant's operation of a fully interactive e-commerce webstore through which it offers to sell, and has allegedly sold and shipped, the accused products to consumers within the Northern District of Illinois.
• Core Dispute: Plaintiff alleges that Defendant's travel bottle products infringe a design patent for the ornamental appearance of a container.
• Technical Context: The dispute centers on the ornamental design of a small, portable container intended for travel-size quantities of liquids like shampoo.
• Key Procedural History: The complaint alleges a prior business relationship where Defendant's predecessor was an exclusive distributor for Plaintiff's products under a Non-Disclosure Agreement and a Distribution Agreement. Plaintiff alleges that Defendant's predecessor then drastically reduced its orders of genuine products while continuing to sell visually identical, but allegedly counterfeit, products sourced from a third party.

Case Timeline

Date	Event
2023-05-23	'520 Patent Priority Date
2023-06	Defendant's predecessor allegedly begins selling infringing products
2023-10-10	Plaintiff and Defendant's predecessor enter into distribution and non-disclosure agreements
2024-09	Period begins where Defendant's predecessor's order volume allegedly drops significantly
2025-07-08	U.S. Design Patent No. D1,082,520 issues
2026-06	Ownership of Defendant's Amazon storefront allegedly changes
2026-08-25	Complaint Filed

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

U.S. Design Patent No. D1,082,520 - "Sorting Box"

• Patent Identification: U.S. Design Patent No. D1,082,520, "Sorting Box," issued July 8, 2025.

The Invention Explained

• Problem Addressed: While the patent is titled "Sorting Box," the complaint frames the utility of the embodied product as a travel bottle that allows users to carry small quantities of fluids Compl. ¶8 Design patents protect ornamental appearance, not utility, so the "problem" is one of aesthetics: creating a unique and appealing visual design for a container.
• The Patented Solution: The patent claims the ornamental design for an article of manufacture, characterized by a frustoconical body with a distinct upper collar and a slightly rounded base '520 Patent, Figs. 1-4 The most prominent feature is a series of swirling, diagonal grooves or ribs that wrap around the main surface of the body '520 Patent, Fig. 7 The claim protects the specific visual impression created by this combination of shape and surface ornamentation '520 Patent, claim
• Technical Importance: The complaint alleges the unique ornamental design is a key driver of consumer appeal for Plaintiff's travel bottle products Compl. ¶8

Key Claims at a Glance

• Design patents contain a single claim. The asserted claim is for "The ornamental design for a sorting box, as shown and described" '520 Patent, claim
• The essential visual elements of the claimed design include:
  • A generally cup-like, frustoconical overall shape.
  • A series of prominent, evenly-spaced diagonal ribs creating a swirling pattern on the main body.
  • A smooth, distinct collar at the top of the body.
  • A smooth, distinct band at the bottom of the body.

III. The Accused Instrumentality

Product Identification

• The complaint identifies the accused products as "Infringing Products" sold on Defendant's "Max.Y" storefront on Amazon.com Compl. ¶29 Specific products are identified by Amazon Standard Identification Numbers (ASINs), including B0CC4PNTWG, B0CC4N5LD6, and others Compl. ¶31

Functionality and Market Context

• The complaint alleges these products are travel bottles sold in various sizes and colors Compl. ¶31 The complaint provides a link to an Amazon product page for "Gemice 4-Pack Travel Containers for Toiletries" as an example of the infringing sales Compl. ¶29 The complaint includes a photograph of a yellow travel bottle, identified as "Defendant's Infringing Product," which shows a design that Plaintiff alleges is identical to the patented design Compl. p. 8

IV. Analysis of Infringement Allegations

The infringement test for a design patent is whether an "ordinary observer," giving such attention as a purchaser usually gives, would be deceived into purchasing the accused product supposing it to be the patented one. The complaint alleges the products are "identical in all respects material to the '520 Patent" Compl. ¶32

D1,082,520 Infringement Allegations

Claim Element (from the sole claim, as shown in the figures)	Alleged Infringing Functionality	Complaint Citation	Patent Citation
The overall ornamental appearance of the article	The complaint alleges the accused products are "so extensive[ly similar] that an ordinary observer... would be likely to purchase the Infringing Products supposing them to be the patented design."	¶34	'520 Patent, Figs. 1-8
A frustoconical body with a wider top and narrower base	The accused product depicted in the complaint has a cup-like, frustoconical shape.	¶33	'520 Patent, Fig. 1
A surface ornamentation of swirling, diagonal ribs	The accused product features a prominent pattern of swirling, diagonal ribs on its main body.	¶33	'520 Patent, Fig. 7
A distinct collar at the top and a distinct band at the base	The accused product shows a smooth upper section and a smooth lower base, visually separating them from the ribbed central body.	¶33	'520 Patent, Fig. 1

Identified Points of Contention

• Scope Questions: A primary question may be the relevance of the patent's title, "Sorting Box," when the accused product is marketed as a "Travel Container for Toiletries." A defendant may argue that the scope of the patent is limited to the "article of manufacture" identified in the title, and that a travel bottle for liquids is a different article. Plaintiff may counter that the title is immaterial and infringement is determined by comparing the ornamental designs, regardless of the article's name or use.
• Technical Questions: In design patent cases, the question is not technical but visual. The core question for the fact-finder will be whether the overall visual impression of the accused product is substantially the same as the claimed design. The side-by-side comparison provided in the complaint suggests a high degree of visual similarity Compl. p. 8

V. Key Claim Terms for Construction

In a design patent case, the "claim" is primarily the drawings. However, the title can become a point of contention regarding the scope of the "article of manufacture."

• The Term: "sorting box"
• Context and Importance: This term, from the patent's title, may be a central point of dispute because the accused product is a travel bottle for liquids, not a box for sorting items Compl. ¶8 Compl. ¶29 Practitioners may focus on this term because if a court determines that a "sorting box" and a "travel bottle" are fundamentally different articles of manufacture, it could impact the infringement analysis.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation (focus on design): A plaintiff would argue that the claim is for the "ornamental design... as shown," meaning the visual appearance is what is protected, and the title is merely a label that does not limit the design's application to other articles. The focus is on the visual deception of the ordinary observer.
  • Evidence for a Narrower Interpretation (focus on article): A defendant might argue that the claim is for a design for a sorting box, and that the scope of protection does not extend to different articles of manufacture like travel bottles. This argument could be supported by the patent's classification in Class 09-03, which relates to boxes and cases for storage '520 Patent, (51) LOC (15) Cl.

VI. Other Allegations

Indirect Infringement

• The complaint's primary focus is on direct infringement Compl. ¶39 However, the prayer for relief includes a request to enjoin "aiding, abetting, contributing to, or otherwise assisting anyone" in infringing, which suggests a potential, though undeveloped, allegation of indirect infringement Compl. Prayer A

Willful Infringement

• The complaint alleges "knowing and intentional infringement" Compl. ¶3 This allegation is supported by detailed factual claims that Defendant's predecessor had a prior distribution and non-disclosure agreement with Plaintiff, sold Plaintiff's authentic products, and therefore had direct knowledge of the product and its proprietary design before allegedly sourcing counterfeits Compl. ¶¶17-27 The complaint seeks treble damages, consistent with a willfulness claim Compl. ¶43

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

1. A core issue will be one of definitional scope: does the patent's claim to an ornamental design for a "sorting box" limit its scope, or can it be asserted against a visually similar "travel bottle," which may be considered a different article of manufacture? The court's treatment of the patent's title versus its drawings will be critical.
2. A key evidentiary question will be the application of the ordinary observer test: despite the high degree of visual similarity suggested by the complaint's photographic evidence, the case will depend on whether a fact-finder, considering the products in the context of the marketplace, would be deceived into purchasing the accused product believing it was the patented design.
3. A central question for damages will be willfulness: the complaint's narrative of a prior business relationship, followed by an alleged switch to counterfeit goods, provides a strong factual basis for pre-suit knowledge. The outcome of the willfulness allegation will likely have a significant impact on any potential monetary award.