Tiny Twinkle Inc v. Milkbarn LLC

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: Tiny Twinkle, Inc. (Delaware)
  • Defendant: Milkbarn, LLC and Milkbarn Kids, LLC (Tennessee)
  • Plaintiff's Counsel: Quarles & Brady LLP
• Case Identification: 2:26-cv-00193, D. Utah, 03/06/2026
• Venue Allegations: Venue is alleged to be proper in the District of Utah because the Defendant resides in the district, maintains a regular and established place of business in Lehi, Utah, and has allegedly committed acts of infringement there.
• Core Dispute: Plaintiff alleges that Defendant's "Ruffle Pocket Bib" product line infringes a design patent covering the ornamental appearance of a baby bib.
• Technical Context: The dispute is in the consumer baby products industry, where the ornamental design and aesthetic appeal of products are significant factors in purchasing decisions.
• Key Procedural History: The complaint alleges that Plaintiff provided Defendant with actual notice of the asserted patent and its alleged infringement via a cease and desist letter prior to filing suit, which forms the basis for the willfulness allegation.

Case Timeline

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

• Patent Identification: U.S. Patent No. D923,919, "BIB", issued July 6, 2021 (the "'919 Patent").

U.S. Patent No. D923,919 - "BIB"

The Invention Explained

• Problem Addressed: As a design patent, the '919 Patent does not solve a technical problem but instead protects a specific ornamental design for an article of manufacture Compl. ¶12 '919 Patent, claim The purpose is to protect a unique aesthetic in the competitive market for baby products.
• The Patented Solution: The patent protects the unique visual appearance of a baby bib, as depicted in its figures '919 Patent, claim The central ornamental features are the bib's overall shape and contour, combined with distinctive, ruffled fabric pieces that extend from the shoulder straps down along the arm openings '919 Patent, Figs. 1, 3, 5 The claim covers the design "as shown and described," meaning the collection of figures as a whole defines the protected aesthetic '919 Patent, claim '919 Patent, description
• Technical Importance: The design's importance lies in its potential to create a distinct visual impression for consumers, serving as a market differentiator for Plaintiff's products Compl. ¶12

Key Claims at a Glance

• The patent asserts a single claim for "The ornamental design for a bib, as shown and described" '919 Patent, claim
• The core ornamental features that constitute the claimed design include:
  • The overall shape, contour, and proportions of the bib's main body.
  • The particular configuration of ruffled fabric along the arm openings.
  • The shape of the neck opening and the corresponding shoulder closure mechanism.

III. The Accused Instrumentality

Product Identification

The accused products are Defendant Milkbarn's "Ruffle Pocket Bib" line of baby bibs Compl. ¶1

Functionality and Market Context

The accused products are baby bibs intended for use by babies and toddlers Compl. ¶11 The complaint focuses on the ornamental features of the bibs, alleging they embody a design that is "substantially similar to the claimed ornamental design" of the '919 Patent Compl. ¶16 The complaint includes several photographs of the accused bibs, highlighting their overall shape and the presence of ruffles along the arm openings. The complaint provides a side-by-side comparison of a perspective view of the patented design and the accused product to illustrate the alleged similarities Compl. p. 5

IV. Analysis of Infringement Allegations

Design patent infringement is assessed from the perspective of an "ordinary observer." The complaint alleges that such an observer would be deceived into believing the accused product is the same as the patented design, pointing to similarities in the upper portion, ornamental ruffles, strap closure, and overall shape Compl. p. 5 The complaint presents several visual comparisons to support its allegations, including a front view of the accused bib next to Figure 3 of the patent Compl. p. 6

'919 Patent Infringement Allegations

Identified Points of Contention

• Scope Questions: The central issue will be whether the "overall visual appearance" of the accused bib is "substantially the same" as the claimed design in the eye of an ordinary observer familiar with the prior art Compl. p. 5 The analysis may focus on whether differences, such as the surface patterns on the accused products (e.g., tulips, cherries) or the presence of a pocket, are sufficient to distinguish the designs in the mind of that observer. The complaint includes a comparison of a rear view of the accused product to Figure 26 of the patent, which depicts a version of the design with a pocket Compl. p. 8
• Technical Questions: A factual question may arise regarding the visual impact of the disclaimers in some of the patent's embodiments. The patent specification notes that broken lines (depicting features like stitching) "form no part of the claimed design" '919 Patent, description The extent to which these disclaimed elements affect the overall visual impression when comparing the accused product to the claimed design may become a point of dispute.

V. Key Claim Terms for Construction

In design patent cases, the "claim" is the visual design itself as depicted in the drawings. The controlling "term" for construction is the claim's boilerplate language.

• The Term: "The ornamental design for a bib, as shown and described." '919 Patent, claim
• Context and Importance: The construction of this phrase-meaning, the interpretation of the patent's drawings as a whole-will define the scope of protection and be dispositive of the infringement question. The dispute will center on what specific visual elements are encompassed by the drawings and the degree of similarity required for infringement.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: A party may argue that the multiple embodiments shown in the patent (e.g., with and without pockets, with different stitching representations) demonstrate that the core protected design is the general configuration and overall visual impression, particularly the combination of the bib shape and the ruffled sleeves, rather than the precise details of any single figure '919 Patent, Figs. 1-48
  • Evidence for a Narrower Interpretation: A party could argue that each figure and embodiment shows a specific, distinct design and that the claim should be narrowly limited to the exact proportions and contours depicted. The explicit disclaimer of stitching shown in broken lines could be used to argue that the scope of protection is confined only to the elements shown in solid lines, narrowing the overall protected design '919 Patent, description

VI. Other Allegations

• Indirect Infringement: The complaint does not plead specific facts to support claims for either induced or contributory infringement. The sole count is for direct infringement pursuant to 35 U.S.C. § 271(a) Compl. ¶20
• Willful Infringement: The complaint alleges that Defendant's infringement is willful, deliberate, and intentional Compl. ¶18 This allegation is based on Plaintiff having provided Defendant with pre-suit notice of the '919 Patent and the alleged infringement via a cease and desist letter dated November 25, 2025, after which Defendant allegedly continued its infringing activities Compl. ¶17

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

The resolution of this dispute will likely depend on the court's answers to two primary questions:

• A core issue will be one of design scope: Under the "ordinary observer" test, is the overall visual impression of Defendant's "Ruffle Pocket Bib" substantially the same as the ornamental design claimed in the '919 Patent? This will require a holistic comparison that considers both the similarities in shape and ruffles and any potential differences in surface ornamentation, proportions, or features like pockets.
• A second key question will relate to willfulness: Did the Defendant's continued sale of the accused products after receiving a cease and desist letter on November 25, 2025, constitute willful infringement? The answer will depend on the objective strength of the infringement case and Defendant's subjective intent.