DCT

2:26-cv-11005

Wonderfold Corp v. Empowerride LLC

Log In
Key Events
Complaint
complaint Intelligence

I. Executive Summary and Procedural Information

  • Parties & Counsel:
  • Case Identification: 2:26-cv-11005, C.D. Cal., 09/24/2026
  • Venue Allegations: Venue is alleged to be proper in the Central District of California because Defendants have purportedly committed acts of infringement, transacted business, and sold or offered to sell the accused products within the district, and because Plaintiff has suffered harm there.
  • Core Dispute: Plaintiff alleges that Defendant’s "Empowerride Navigator" stroller infringes a design patent covering the ornamental appearance of Plaintiff's stroller wagon.
  • Technical Context: The dispute is in the high-end children's product market, specifically for stroller wagons, where aesthetic and ornamental design are significant factors for consumers.
  • Key Procedural History: The complaint does not mention any prior litigation, Inter Partes Review (IPR) proceedings, or licensing history related to the patent-in-suit.

Case Timeline

Date Event
2019-04-25 '301 Patent Priority Date
2019 Wonderfold allegedly began selling its innovative stroller wagons
2022-06-21 U.S. Design Patent No. D955,301 issues
2026 Defendants allegedly began marketing and selling the accused stroller
2026-09-24 Complaint Filing Date

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

U.S. Patent No. D955,301 - "Stroller"

  • Patent Identification: U.S. Design Patent No. D955301 (the “’301 Patent”), titled “Stroller,” issued on June 21, 2022.

The Invention Explained

  • Problem Addressed: As a design patent, the ’301 Patent does not address a functional problem. Rather, it claims a new, original, and ornamental design for a stroller. The complaint asserts that this design was created to be unique and distinctive from other strollers on the market Compl. ¶22
  • The Patented Solution: The ’301 Patent protects the specific visual appearance of a stroller, as depicted in its figures D’301 Patent, FIGS. 1-8 The design consists of the overall configuration and ornamentation of a wagon-style stroller, characterized by a deep, rectangular carriage, a four-wheel configuration with smaller front wheels, a prominent handle at one end, and the specific shaping and arrangement of fabric and frame elements D’301 Patent, claim D’301 Patent, Description
  • Technical Importance: The complaint alleges the patented design is of significant commercial importance, serving to distinguish Wonderfold's products and signify the company's quality and reputation in the marketplace Compl. ¶9 Compl. ¶22

Key Claims at a Glance

  • The ’301 Patent contains a single claim for "The ornamental design for a stroller, as shown and described" D’301 Patent, claim
  • As is standard for design patents, the scope of the claim is defined by the solid lines in the patent's drawings D’301 Patent, FIGS. 1-8

III. The Accused Instrumentality

Product Identification

  • The accused product is the "Empowerride" or "Empowerride Navigator" stroller Compl. ¶20 Compl. ¶39

Functionality and Market Context

  • The complaint describes the accused product as a foldable stroller for children that directly competes with Wonderfold's products Compl. ¶39 The allegations center on the ornamental appearance of the Empowerride Navigator stroller, which is purported to copy the patented design Compl. ¶41 The complaint includes several images of the accused product, showing it to be a wagon-style stroller with a fabric body, a metal frame, four wheels, and a handle Compl. p. 18 Compl. p. 19 The complaint alleges that Defendants sell the Empowerride Navigator stroller in an effort to trade on the goodwill associated with the Wonderfold stroller design Compl. ¶40

IV. Analysis of Infringement Allegations

The central test for design patent infringement is whether, in the eye of an ordinary observer, the two designs are substantially the same, such that the observer would be deceived into purchasing the accused product believing it to be the patented one. The complaint repeatedly invokes this "ordinary observer" standard Compl. ¶42 Compl. ¶68 The complaint provides visual comparisons to support its infringement theory, one of which shows the patented design next to the accused Empowerride stroller Compl. p. 20

’301 Patent Infringement Allegations

Visual Feature of the Patented Design Alleged Infringing Feature of the Empowerride Stroller Complaint Citation Patent Citation
The overall ornamental design for a stroller, featuring a deep, rectangular, wagon-style carriage The Empowerride stroller is alleged to have a design that is "the same or substantially the same" as, and was "copied" from, the '301 patented design. ¶41; ¶44 col. 2:5-6
A perspective view showing the combination of the carriage, wheel configuration, and handle A side-by-side comparison is provided to show the alleged "substantial similarity" between the '301 patent's Figure 1 and the accused stroller. ¶44; ¶69 col. 2:5-6
A front view showing the profile of the carriage and a front-mounted fabric accessory A side-by-side comparison is provided showing the front profile of the accused stroller, which is alleged to be "substantially similar" to Figure 2 of the '301 patent. ¶69 col. 2:7
A side elevation view showing the proportions of the body, the wheel placement, and the handle structure A side-by-side comparison is provided to show the alleged resemblance between the side profile of the accused stroller and Figure 4 of the '301 patent. ¶55 col. 2:9
  • Identified Points of Contention:
    • Overall Similarity: The core issue for the court will be a visual one: does the total ornamental appearance of the Empowerride Navigator stroller create substantially the same visual impression as the design claimed in the '301 Patent? The complaint alleges the similarity is so great as to be "nearly identical" Compl. ¶42
    • Significance of Differences: The analysis may focus on whether any visual differences between the accused product and the patented design are sufficient to prevent an ordinary observer from being deceived. For example, the court may consider potential minor differences in handle shape, branding, or the precise proportions of the fabric and frame elements as depicted in the complaint's photographic evidence Compl. p. 19

V. Key Claim Terms for Construction

In design patent litigation, the claim is defined by the drawings rather than by textual limitations. As such, claim construction is typically not a central point of dispute. The complaint does not raise any issues of claim construction, and the case will likely focus on the direct visual comparison of the accused product to the patent's figures under the "ordinary observer" test.

VI. Other Allegations

  • Indirect Infringement: The complaint makes a general allegation of induced infringement Compl. ¶2 and seeks relief for direct and indirect infringement Compl. Prayer ¶A However, it does not plead specific facts detailing acts of inducement, such as providing instructions or encouragement to a third party to perform an infringing act, separate from the general allegation of selling the accused product.
  • Willful Infringement: The complaint alleges that Defendants' infringement was willful and deliberate Compl. ¶43 Compl. ¶73 The basis for this allegation is the assertion that Defendants copied the design of the '301 patent and that the risk of infringement was "so obvious that Defendants knew or should have known it" Compl. ¶44 Compl. ¶66 Compl. ¶69

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

This case appears to present a classic design patent dispute centered on the visual appearance of a consumer product. The key questions for the court will likely be:

  • Substantial Similarity: The primary question is one of visual comparison: Applying the ordinary observer test, is the overall ornamental design of the accused Empowerride Navigator stroller substantially the same as the design claimed in the '301 Patent? The resolution will depend on a holistic comparison of the designs, not a simple tally of similarities and differences.
  • Impact of Design Differences: A related evidentiary question will be whether the subtle differences in features such as the handle shape, logos, and other minor elements are sufficient to create a distinct overall visual impression, or if they are trivial details that do not alter the substantially similar appearance of the designs.
  • Evidence of Copying and Willfulness: A central factual question will be whether Plaintiff can prove its allegation that Defendants copied the patented design. Evidence of copying could be highly influential in both the infringement analysis and the determination of willfulness, which could expose Defendants to enhanced damages.