DCT

1:26-cv-01400

Belwith Products LLC v. Menard Inc

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I. Executive Summary and Procedural Information

  • Parties & Counsel:
  • Case Identification: Belwith Products, LLC v. Menard, Inc., 1:26-cv-01400, W.D. Mich., 04/29/2026
  • Venue Allegations: Venue is asserted based on Plaintiff's principal place of business being in the district, Defendant's operation of retail stores in the district, and the occurrence of alleged acts of infringement within the district.
  • Core Dispute: Plaintiff alleges that Defendant's sale of "Mastercraft" branded cabinetry hardware infringes seven of Plaintiff's design patents, in addition to claims of trademark infringement, copyright infringement, and unfair competition.
  • Technical Context: The dispute concerns the ornamental designs of decorative cabinet hardware, specifically pulls and knobs, a market where aesthetic design is a key differentiator.
  • Key Procedural History: The complaint notes a related, pending case between the same parties (Case No. 1:22-cv-335) concerning breach of contract and conversion over display cabinets. The current dispute arises from conduct that allegedly occurred both during and after a contractual relationship governed by "Vendor Compliance Program Letters" (VCPLs), which terminated on March 31, 2021.

Case Timeline

Date Event
2005-11-30 Priority Date for D''925 Patent
2007-02-13 Priority Date for D''981 Patent
2008-04-08 U.S. Design Patent D565,925 ('925 Patent) Issued
2008-07-10 Priority Date for D''095 Patent
2009-03-10 U.S. Design Patent D587,981 ('981 Patent) Issued
2009-07-06 Priority Date for D''797 Patent
2009-09-15 U.S. Design Patent D600,095 ('095 Patent) Issued
2010-02-12 Priority Date for D''668 Patent
2010-03-16 U.S. Design Patent D611,797 ('797 Patent) Issued
2010-12-28 U.S. Design Patent D629,668 ('668 Patent) Issued
2019-02-13 Priority Date for D''584 Patent
2020-03-31 U.S. Design Patent D879,584 ('584 Patent) Issued
2021-02-04 Priority Date for D''407 Patent
2021-03-31 VCPL Termination Date
2022-04-07 Related litigation Menards I filed
2023-05-30 U.S. Design Patent D987,407 ('407 Patent) Issued
2026-04-29 Complaint Filing Date

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

U.S. Design Patent No. D879,584 - Cabinet Handle

  • Issued: March 31, 2020

The Invention Explained

  • Problem Addressed: Design patents protect ornamental appearance rather than solving a technical problem. The goal is to create a new, original, and ornamental design for an article of manufacture, in this case, a cabinet handle D'584 Patent, title
  • The Patented Solution: The patent claims the ornamental design for a cabinet handle as depicted in its figures D'584 Patent, Claim D'584 Patent, FIGS. 1-7 The design is characterized by a minimalist and geometric aesthetic, featuring a straight, bar-like pull with a flat top and face, connected to two perpendicular, block-shaped posts. The transition from the posts to the main pull is a distinct chamfered surface D'584 Patent, FIG. 1
  • Technical Importance: The complaint asserts that Belwith has built a reputation over 130 years for "top quality and design for cabinetry hardware," suggesting that unique, proprietary designs are central to its market position and goodwill Compl. ¶2

Key Claims at a Glance

  • The complaint asserts the single claim of the patent Compl. ¶¶115-121
  • The claim is for: "The ornamental design for a cabinet handle, as shown and described" D'584 Patent, Claim Unlike a utility patent, a design patent claim consists of a single claim for the design as a whole, which is defined by the drawings.

U.S. Design Patent No. D987,407 - Cabinet Handle

  • Issued: May 30, 2023

The Invention Explained

  • Problem Addressed: The patent seeks to protect a new, original, and ornamental design for a cabinet handle D'407 Patent, title
  • The Patented Solution: The patent claims the specific ornamental design for a cabinet handle shown in the application's drawings D'407 Patent, Claim D'407 Patent, FIGS. 1-7 The design consists of a slender, rounded bar-style pull with a flat top surface. The pull connects to two cylindrical posts, and the ends of the bar flare slightly outward where they meet the posts, creating a soft, transitional curve D'407 Patent, FIG. 1 D'407 Patent, FIG. 2
  • Technical Importance: This design is part of Belwith's portfolio of intellectual property which it alleges Menards has copied in an "attempt to capitalize on that success" Compl. ¶2

Key Claims at a Glance

  • The complaint asserts the single claim of the patent Compl. ¶¶124-130
  • The claim is for: "The ornamental design for a cabinet handle, as shown and described" D'407 Patent, Claim The scope of protection is defined by the visual appearance illustrated in the patent's figures.

Other Asserted Patents

  • Multi-Patent Capsule: U.S. Design Patent No. D629,668

    • Patent Identification: D629,668, Cabinet Handle, issued December 28, 2010 Compl. ¶70
    • Technology Synopsis: The patent claims an ornamental design for a cabinet handle featuring a gently arched pull with a flattened top surface, which connects to two cylindrical end posts D'668 Patent, FIG. 1
    • Asserted Claims: Claim 1 Compl. ¶137
    • Accused Features: Mastercraft® 3" and 3-3/4" cabinet pulls (SKU# 4883455, 4880573, and 4880567) are accused of infringing the '668 Patent Compl. ¶137

  • Multi-Patent Capsule: U.S. Design Patent No. D611,797

    • Patent Identification: D611,797, Cabinet Pull, issued March 16, 2010 Compl. ¶70
    • Technology Synopsis: The patent claims an ornamental design for a cabinet pull with a smooth, arched handle connecting to two flared, disc-shaped bases D'797 Patent, FIG. 1
    • Asserted Claims: Claim 1 Compl. ¶146
    • Accused Features: Mastercraft® 3" cabinet pulls (SKU# 4880560, 4880556, and 4880690) are accused of infringing the '797 Patent Compl. ¶146

  • Multi-Patent Capsule: U.S. Design Patent No. D565,925

    • Patent Identification: D565,925, Cabinet Handles, issued April 8, 2008 Compl. ¶70
    • Technology Synopsis: The patent claims an ornamental design for a cabinet knob with a rectangular top surface and a flared, tapered base D'925 Patent, FIG. 1 D'925 Patent, FIG. 3
    • Asserted Claims: Claim 1 Compl. ¶155
    • Accused Features: Various Mastercraft® cabinet knobs are accused of infringing the '925 Patent Compl. ¶155

  • Multi-Patent Capsule: U.S. Design Patent No. D600,095

    • Patent Identification: D600,095, Cabinet Handle, issued September 15, 2009 Compl. ¶70
    • Technology Synopsis: The patent claims an ornamental design for a cabinet handle featuring a pull with a subtle twist or wave-like curvature along its length D'095 Patent, FIG. 1
    • Asserted Claims: Claim 1 Compl. ¶164
    • Accused Features: Mastercraft® 4" cabinet pulls (SKU# 4880308) are accused of infringing the '095 Patent Compl. ¶164

  • Multi-Patent Capsule: U.S. Design Patent No. D587,981

    • Patent Identification: D587,981, Cabinet Handle, issued March 10, 2009 Compl. ¶70
    • Technology Synopsis: The patent claims an ornamental design for a round cabinet knob with a textured top surface that appears as concentric or spiraling rings D'981 Patent, FIG. 1 D'981 Patent, FIG. 2
    • Asserted Claims: Claim 1 Compl. ¶173
    • Accused Features: Mastercraft® 1-1/2" cabinet knobs (SKU# 4880730) are accused of infringing the '981 Patent Compl. ¶173

III. The Accused Instrumentality

Product Identification

The accused instrumentalities are various "knock-off" Mastercraft®-branded and unbranded cabinet pulls and knobs sold by Defendant Menards in its retail stores and online (Compl. ¶¶1; Compl. ¶73).

Functionality and Market Context

The products are decorative hardware used to open cabinet doors and drawers Compl. ¶1 The complaint alleges that Menards, a large home improvement retailer, began selling these "copycat products of inferior quality" after a long-term exclusive supplier relationship with Belwith ended (Compl. ¶¶2; Compl. ¶5; Compl. ¶10). A core allegation is that Menards sold these accused products from Belwith's own display cabinets, sometimes commingling them in the same drawer with genuine Belwith products, creating consumer confusion as to source and origin (Compl. ¶¶2; Compl. ¶41; Compl. ¶42). The complaint provides photographic evidence of accused Mastercraft® pulls mixed with Belwith's Hickory Hardware® pulls in a single display drawer Compl. p. 11

IV. Analysis of Infringement Allegations

The standard for design patent infringement is whether an "ordinary observer," familiar with the prior art, would be deceived into purchasing the accused product believing it to be the patented design. The analysis focuses on the overall visual similarity.

The complaint includes a side-by-side visual comparison of an accused Mastercraft® pull and figures from the D'584 Patent, alleging they are "virtually identical" Compl. p. 22

D'584 Patent Infringement Allegations

Claim Element (from Claim 1) Alleged Infringing Functionality Complaint Citation Patent Citation
The ornamental design for a cabinet handle, as shown and described. The accused Mastercraft® 5-1/16" cabinet pull (SKU# 4881854) is alleged to have a design that is "substantially similar" to the patented design in the eye of an ordinary observer, featuring a similar geometric bar-shaped pull and blocky support posts. ¶119 D'584 Patent, FIGS. 1-7

The complaint also provides a side-by-side comparison for the D'407 patent, showing two accused Mastercraft® pulls next to figures from the patent Compl. p. 23

D'407 Patent Infringement Allegations

Claim Element (from Claim 1) Alleged Infringing Functionality Complaint Citation Patent Citation
The ornamental design for a cabinet handle, as shown and described. The accused Mastercraft® 5" and 3-3/4" cabinet pulls (SKU# 4881696, 4881699, and 4881687) are alleged to have designs that are "substantially similar" to the patented design, including a visually similar slender, rounded pull with flared ends. ¶128 D'407 Patent, FIGS. 1-7
  • Identified Points of Contention:
    • Scope Questions: A primary question for the court will be the scope of each patented design in light of the prior art in the field of cabinet hardware. The analysis will turn on whether the accused Mastercraft® products are "substantially similar" to the patented designs as a whole, not whether they differ in minor, trivial details. The outcome will depend on the overall visual impression created by both the patented and accused designs.
    • Technical Questions: The central evidentiary question will be a direct visual comparison. What evidence will be presented to establish what an "ordinary observer" in this market perceives? Does the side-by-side comparison presented in the complaint Compl. pp. 22-26 show a degree of similarity that would lead an ordinary observer, familiar with other cabinet pulls, to believe the accused product is the same as the patented one?

V. Key Claim Terms for Construction

In design patent litigation, formal claim construction is rare, as the claim is understood to be the design itself as depicted in the drawings. However, the scope of the visual impression protected by the claim is always at issue.

  • The Term: "The ornamental design for a...handle, as shown and described."
  • Context and Importance: This phrase constitutes the entirety of the claim in each asserted design patent. The interpretation of the visual scope of the "design as shown" is the central issue that will determine infringement. Practitioners may focus on this because the entire infringement case rests on the comparison between the visual impression created by the patent's figures and that of the accused products.
  • Intrinsic Evidence for Interpretation:
    • Evidence for a Broader Interpretation: A party arguing for a broader interpretation may emphasize that the claim is for the overall "ornamental design," not a checklist of features. They could argue that any product that captures the overall aesthetic and visual impression of the drawings infringes, even if there are minor dimensional or proportional differences. The solid lines in the figures define the claimed design D'584 Patent, FIGS. 1-7
    • Evidence for a Narrower Interpretation: A party arguing for a narrower interpretation may focus on specific details and contours depicted in the solid lines of the drawings, arguing that the patent protects only the precise aesthetic shown. The phrase "as shown" could be argued to limit the claim strictly to the illustrations. Further, any elements shown in broken lines, such as the mounting holes in the D'584 patent, are explicitly not part of the claimed design, which narrows the scope to only the visible, ornamental surfaces D'584 Patent, FIG. 7 D'584 Patent, Description

VI. Other Allegations

  • Indirect Infringement: The complaint does not allege indirect infringement (inducement or contributory infringement). The patent counts are for direct infringement under 35 U.S.C. § 271, based on Menards' alleged acts of using, selling, offering for sale, and/or importing the accused products Compl. ¶119 Compl. ¶128
  • Willful Infringement: The complaint explicitly alleges that Menards' infringement of all seven design patents was and is willful Compl. ¶122 Compl. ¶131 Compl. ¶140 Compl. ¶149 Compl. ¶158 Compl. ¶167 Compl. ¶176 The basis for willfulness is described as "deliberate infringement without any reasonable justification" Compl. ¶123 Compl. ¶132 The long-standing prior business relationship between the parties may be used to argue that Menards was aware of Belwith and its proprietary designs Compl. ¶¶10-12

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

  • Visual Similarity and the Ordinary Observer: The core of the patent case will be the "ordinary observer" test. A key question is whether the accused Mastercraft® designs are substantially similar to Belwith's patented designs in the eyes of an observer familiar with the prior art for cabinet hardware. This will require a detailed visual comparison focused on overall aesthetic impression rather than minute differences.
  • Impact of Retail Practices on Confusion: A significant factual issue, overlapping the patent and trademark claims, will be Menards' in-store marketing. The court will have to consider whether the alleged practice of selling "knock-off" hardware from Belwith's own branded display cabinets Compl. ¶¶40-42 creates a likelihood of consumer confusion that goes beyond the design similarity itself and supports the unfair competition and trademark allegations.
  • Damages and Total Profits: Should infringement be found, a central question will be the measure of damages. For design patents, 35 U.S.C. § 289 allows for the award of the infringer's "total profit." The case may therefore involve a significant dispute over the calculation of Menards' profits attributable to the allegedly infringing designs.
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