2:26-cv-01836
Miir Holdings LLC v. Tesla Inc
I. Executive Summary and Procedural Information
- Parties & Counsel:
- Plaintiff: MiiR Holdings, LLC (Washington)
- Defendant: Tesla, Inc. (Texas)
- Plaintiff's Counsel: K&L Gates LLP
- Case Identification: 2:26-cv-01836, W.D. Wash., 05/28/2026
- Venue Allegations: Venue is alleged to be proper in the Western District of Washington because Defendant transacts business in the district, has regular and established places of business including retail and service centers, and because Plaintiff's principal place of business is in the district.
- Core Dispute: Plaintiff alleges that the lid of Defendant's "On The Road Tumbler" infringes a design patent, and that the tumbler's overall appearance infringes Plaintiff's trade dress rights.
- Technical Context: The dispute is in the competitive consumer market for premium, reusable stainless-steel drinkware, where ornamental design and brand identity are key market differentiators.
- Key Procedural History: The complaint does not mention any prior litigation between the parties, Inter Partes Review (IPR) proceedings related to the patent-in-suit, or prior licensing history.
Case Timeline
| Date | Event |
|---|---|
| 2011 | Plaintiff allegedly began use of its "Vertical Logo Placement Trade Dress" |
| 2021-05-25 | U.S. Design Patent No. D1,015,803 application filed |
| 2022-01-26 | Plaintiff allegedly began use of its "Product Shape Trade Dress" |
| 2024-02-27 | U.S. Design Patent No. D1,015,803 issued |
| 2026-05-28 | Complaint filed |
II. Technology and Patent(s)-in-Suit Analysis
- Patent Identification: U.S. Design Patent No. D1,015,803, titled "Lid for Cup", issued on February 27, 2024 (the "'803 Patent").
The Invention Explained
- Problem Addressed: The complaint asserts Plaintiff was established to address a need in the drinkware industry for "accessible, beautifully designed, reusable water bottles" Compl. ¶11 Design patents protect new, original, and ornamental designs for articles of manufacture, addressing the aesthetic rather than functional aspects of a product.
- The Patented Solution: The '803 Patent claims the specific ornamental design for a cup lid, as depicted in the patent's figures Compl. Ex. 1 The claimed design, shown in solid lines, consists of a cylindrical body with a smooth upper portion, a threaded lower portion, and a top surface featuring two parallel raised bars within a circular depression '803 Patent, FIGS. 1-7 The patent explicitly disclaims elements shown in broken lines, indicating they are not part of the protected design '803 Patent, description
- Technical Importance: In the premium consumer goods space, a distinctive ornamental design serves to differentiate a product from competitors and can be a significant driver of brand recognition and commercial success Compl. ¶¶2, 13
Key Claims at a Glance
- The complaint asserts infringement of Claim 1, which is the only claim in the '803 Patent Compl. ¶59
- As is typical for a design patent, the single claim protects the "ornamental design for a lid for cup, as shown and described" '803 Patent, claim The scope of the claim is defined by the visual appearance of the lid as depicted in the solid lines of Figures 1 through 7 of the patent.
III. The Accused Instrumentality
Product Identification
The accused instrumentality is Defendant's "On The Road Tumbler" product, specifically the lid component Compl. ¶36
Functionality and Market Context
The complaint identifies the "On The Road Tumbler" as a stainless-steel drinkware product offered for sale on Defendant's website and in its retail stores Compl. ¶36 Compl. ¶37 The complaint alleges that this product is sold in overlapping channels of trade and marketed to the same class of purchasers as Plaintiff's drinkware Compl. ¶48 The complaint provides an image comparing the Plaintiff's "12 Ounce Traveler Tumbler" with the Defendant's "14 Ounce On The Road Tumbler," alleging infringement of Plaintiff's trade dress in addition to the patent claim against the lid Compl. p. 12
IV. Analysis of Infringement Allegations
The infringement test for a design patent is the "ordinary observer" test, which asks whether an ordinary observer, familiar with the prior art, would be deceived into purchasing the accused product believing it to be the patented one. The complaint alleges that the accused lid is "substantially the same" as the patented design Compl. ¶38 The complaint provides side-by-side photographic comparisons to support this allegation, such as a perspective view from the patent drawing against a photograph of the accused lid Compl. p. 9
'803 Patent Infringement Allegations
| Claim Element (from Independent Claim 1) | Alleged Infringing Functionality | Complaint Citation | Patent Citation |
|---|---|---|---|
| The ornamental design for a lid for cup, as shown and described. | The complaint alleges that in the eyes of an ordinary observer, the design of Defendant's "On The Road Tumbler lid" is substantially the same as the claimed design. The allegation is based on the "overall impression" created by the shape, silhouette, and configuration of the lid, which is visually compared to the patent drawings. | ¶38; ¶39; ¶61 | '803 Patent, FIGS. 1-7 |
Identified Points of Contention
- Scope Questions: The central issue will be the visual comparison of the two designs as a whole. A key question is whether the overall appearance of the accused lid is "substantially the same" as the patented design. The outcome will depend on whether the similarities in the overall form and proportions outweigh any perceived differences.
- Technical Questions: A potential point of dispute may arise from the different surface ornamentation on the top of the lids. The patent drawings show two parallel raised bars '803 Patent, FIG. 6, while the accused product features Defendant's "T" logo, as depicted in the complaint's visual comparison Compl. p. 10 The court will have to determine whether this difference is significant enough to create a different overall visual impression for the ordinary observer, or if it is a minor variation on a substantially similar underlying design.
V. Key Claim Terms for Construction
In design patent litigation, the patented design is typically defined by the drawings themselves, and formal claim construction of words is less central than in utility patent cases. The primary focus is the visual comparison of the claimed design and the accused product.
- The Term: "lid for cup"
- Context and Importance: This term identifies the article of manufacture to which the ornamental design is applied. Its construction is unlikely to be a point of significant dispute. The case will almost certainly turn on the application of the "ordinary observer" test to the visual features of the designs, rather than a debate over the definition of "lid for cup." Practitioners will focus on the holistic visual comparison rather than parsing claim language.
- Intrinsic Evidence for Interpretation: The patent specification and drawings consistently show a lid designed for a beverage container. The title is "Lid for Cup" '803 Patent, title, and the figures depict an object with threading and a top surface consistent with that function '803 Patent, FIGS. 1-7 There is no evidence in the patent to suggest a broader or narrower scope for the article of manufacture itself.
VI. Other Allegations
Willful Infringement
The complaint alleges that Defendant's infringement was "willful, wanton and deliberate" and seeks enhanced damages under 35 U.S.C. § 284 Compl. p. 18, prayer f The complaint alleges that Defendant had knowledge of Plaintiff's "prior designs" and "Product Configuration Trade Dress" because it had "purchased and/or considered purchasing products from Plaintiff in the past" Compl. ¶41 Compl. ¶50 The complaint does not, however, allege specific facts demonstrating that Defendant had pre-suit knowledge of the '803 Patent itself.
VII. Analyst's Conclusion: Key Questions for the Case
- A central question will be one of visual comparison: In applying the ordinary observer test, will the accused lid's overall shape, proportions, and configuration be deemed substantially similar to the patented design, or will differences in surface details-specifically the Defendant's "T" logo on the top surface compared to the parallel bars shown in the patent's drawings-be sufficient to create a distinct overall visual impression?
- A key evidentiary question will be one of deception: Would an ordinary observer, giving the attention a purchaser of drinkware usually gives, be induced to purchase Defendant's product believing it to be Plaintiff's, based on the similarity of the lid designs? The court's analysis will likely be heavily influenced by the side-by-side visual evidence presented by the parties.