DCT

2:22-cv-12730

Fenton Mobility Products Inc v. Pareto Aluminum Systems LLC

I. Executive Summary and Procedural Information

  • Parties & Counsel:
  • Case Identification: 2:22-cv-12730, E.D. Mich., 01/11/2023
  • Venue Allegations: Venue is alleged to be proper in the Eastern District of Michigan because the Defendant is incorporated in Michigan, has its principal place of business in the district, and regularly conducts business and derives substantial revenue from sales within the district.
  • Core Dispute: Plaintiff alleges that Defendant’s aftermarket vehicle seating systems, including its "ALFO" seat legs and bases, infringe a patent related to an integrable seat leg for connecting original equipment manufacturer (OEM) seats to floor track systems.
  • Technical Context: The technology concerns aftermarket hardware for vehicle upfitting, which allows for the retention and flexible positioning of OEM seats within vans and other vehicles using modular floor tracks.
  • Key Procedural History: The complaint alleges that Plaintiff provided Defendant with notice of the alleged infringement via a letter dated October 26, 2021, over a year before the original complaint was filed. This pre-suit notice is asserted as a basis for willful infringement.

Case Timeline

Date Event
2017-10-05 '867 Patent Priority Date
2020-04-21 U.S. Patent No. 10,625,867 Issued
2021-10-26 Plaintiff allegedly sent pre-suit notice letter to Defendant
2023-01-11 First Amended Complaint Filed

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

U.S. Patent No. 10,625,867 - "INTEGRABLE SEAT LEG"

The Invention Explained

  • Problem Addressed: The patent’s background section notes that when installing versatile aftermarket floor track systems in vehicles, the original equipment manufacturer (OEM) seats are typically removed and discarded in favor of new, compatible seats (’867 Patent, col. 2:1-6). This process is described as creating waste and unnecessary expense.
  • The Patented Solution: The invention is an "integrable seat leg" designed to be secured directly to a vehicle's original OEM seat. This adapter leg then allows the OEM seat, which was not designed for a track system, to be removably connected to various types of aftermarket floor tracks (’867 Patent, col. 2:7-9, Fig. 3). The leg includes specific engaging members on its bottom surface to lock into the track apertures and through-bores on its vertical surface to fasten to the OEM seat’s existing structure (’867 Patent, col. 4:8-15).
  • Technical Importance: The invention aims to provide a solution that combines the flexibility of aftermarket track systems with the quality and safety standards of OEM seats, reducing waste and cost for vehicle modifiers (’867 Patent, col. 2:7-9).

Key Claims at a Glance

  • The complaint asserts infringement of claims 9-10 and 17-20 (Compl. ¶38). This analysis focuses on the underlying independent claims.
  • Independent Claim 1 (Apparatus): An integrable seat leg comprising:
    • a vertical member operatively arranged to be secured to the seat, including a front/rear end, first/second side surfaces, and top/bottom surfaces
    • one or more engaging members extending from the bottom surface, arranged to engage apertures in a track
    • at least one protrusion extending from one of the side surfaces
  • Independent Claim 12 (Apparatus): An integrable seat leg comprising:
    • a vertical member with various surfaces
    • one or more engaging members extending from the bottom surface to engage a track
    • one or more through-bores near the top surface to secure the leg to the seat
    • at least one flange extending from a side surface
    • at least one protrusion extending from a side surface
  • Independent Claim 18 (Method): A method for creating an integrable OEM seat, comprising:
    • removing an OEM seat from a vehicle
    • installing a track system on the vehicle floor
    • securing an integrable seat leg (as described in the patent) to the OEM seat
    • securing the integrable seat leg to the track system by engaging the members with the apertures
  • The complaint reserves the right to assert additional claims (Compl. ¶134).

III. The Accused Instrumentality

Product Identification

  • Defendant’s "ALFO" floor track systems and associated seat attachment components, specifically identified as the "Infringing Seat Legs," which include the "quick release 'ALFO' Seat Base" and "ALFO" Seat Legs (Compl. ¶6, ¶27, ¶35).

Functionality and Market Context

  • The complaint alleges that the accused ALFO system is an aftermarket vehicle flooring and seat attachment system that allows OEM seats to be removably connected to a floor track system (Compl. ¶5-6). The complaint provides images and references to installation instructions that allegedly show the ALFO products being used to retrofit vehicles, such as those from Ford Motor Company, by first removing the OEM seats and then reinstalling them using the accused seat legs and bases on the new track flooring (Compl. ¶19, ¶21, ¶79). A photo from the Defendant's website shows the accused "Seat Legs" being sold as "single," "double," and "triple" versions, suggesting they are marketed for different OEM seat configurations (Compl. ¶33-34).

IV. Analysis of Infringement Allegations

The complaint provides numerous annotated photographs to map elements of the asserted claims to features of the accused products.

’867 Patent Infringement Allegations (based on Claim 9)

Claim Element (from Independent Claim 1 and Dependent Claim 9) Alleged Infringing Functionality Complaint Citation Patent Citation
An integrable seat leg for an original equipment manufacturer seat, comprising: The complaint identifies Pareto’s "quick release 'ALFO' Seat Base" as the infringing "integrable seat leg." (Compl. p. 14, Fig.) ¶41, ¶43-44 col. 2:10-14
a vertical member operatively arranged to be secured to the seat... The main frame of the ALFO Seat Base is identified as the "vertical member." (Compl. p. 14, Fig.) ¶45 col. 3:58-61
one or more engaging members extending from the bottom surface... operatively arranged to engage one or more respective apertures in track Components on the bottom of the ALFO Seat Base that insert into the floor track are identified as the "engaging members." A still from a video shows these members engaged with the track apertures. (Compl. p. 18, Fig.) ¶49, ¶51 col. 4:3-10
wherein the one or more engaging members comprise one or more hemispherical discs. The complaint identifies specific components of the engaging members as "hemispherical discs." (Compl. p. 20, Fig.) ¶52, ¶55 col. 6:15-16
at least one protrusion extending from one of the first side surface and the second side surface The complaint identifies structural elements extending from the sides of the ALFO Seat Base as the claimed "protrusion." (Compl. p. 18, Fig.) ¶50 col. 4:31-35

’867 Patent Infringement Allegations (based on Method Claim 18)

Claim Element (from Independent Claim 18) Alleged Infringing Functionality Complaint Citation Patent Citation
removing an original equipment manufacturer seat from a vehicle; The complaint cites Defendant's pre-installation instructions, which allegedly direct users to first "uninstall the seats." ¶19, ¶73 col. 2:35-40
installing a track system on a floor of the vehicle... An image from Defendant's brochure is marked up to show the "Track System" and "Frame" of the ALFO system installed on a vehicle floor. (Compl. p. 30, Fig.) ¶24, ¶76 col. 2:37-38
securing an integrable seat leg to the original equipment manufacturer seat... The complaint alleges that Defendant's instructions and marketing materials, such as a brochure stating "DO NOT THROW AWAY Re-Use Ford seats on ALFO system," direct the securing of the accused seat legs to OEM seats. ¶21, ¶79, ¶82 col. 2:40-45
securing the integrable seat leg to the track system by engaging the one or more engaging members with the one or more apertures. The complaint cites videos and images allegedly showing the ALFO Seat Base's engaging members being inserted into and engaging with the track apertures. ¶99-100, ¶107 col. 2:47-51

Identified Points of Contention

  • Scope Question: A central question may be whether the accused "ALFO Seat Base," which appears as a substantial welded frame, falls within the scope of the term "integrable seat leg" as used in the patent. The patent figures depict a more plate-like structure, which may create a potential mismatch for the court to resolve.
  • Technical Question: Infringement of claim 9 requires the engaging members to comprise "hemispherical discs." The dispute may turn on whether the specific components of the accused ALFO system identified by the Plaintiff (Compl. p. 20, fig.) meet this geometric limitation, which will likely require expert testimony and claim construction.
  • Method Infringement Question: For method claim 18, a key issue will be whether the evidence from Defendant's website and marketing materials is sufficient to prove that Defendant’s customers directly infringe by performing all steps of the claimed method, and whether Defendant's instructions demonstrate the specific intent required for inducement.

V. Key Claim Terms for Construction

  • The Term: "integrable seat leg"

    • Context and Importance: This term appears in the preamble of all independent claims and is the title of the invention. Its construction is fundamental to the infringement analysis. Defendant may argue its accused "ALFO Seat Base" is a distinct type of structure (e.g., a "frame" or "base") and not a "leg," seeking to design around the patent.
    • Intrinsic Evidence for Interpretation:
      • Evidence for a Broader Interpretation: The Summary section describes the invention as "an integrable seat leg for an original equipment manufacturer seat" and focuses on the function of allowing an OEM seat to be used with a track system, suggesting the term could encompass any structure that performs this specific function (’867 Patent, col. 2:10-12).
      • Evidence for a Narrower Interpretation: The detailed description and figures consistently depict the invention as a single, generally plate-like "vertical member" (20) with attached protrusions and flanges (e.g., ’867 Patent, Fig. 1). An argument could be made that the term "leg" itself imparts a structural limitation that is narrower than a full "base" or "frame."
  • The Term: "hemispherical discs" (from claim 9)

    • Context and Importance: This term adds a specific geometric limitation to the "engaging members" in dependent claim 9. Practitioners may focus on this term because its precise definition will determine infringement of this claim. If the accused device's engaging members are not "hemispherical discs," claim 9 is not infringed.
    • Intrinsic Evidence for Interpretation:
      • Evidence for a Broader Interpretation: The patent does not appear to provide an explicit definition for "hemispherical discs," which may support giving the term its plain and ordinary meaning to one of skill in the art.
      • Evidence for a Narrower Interpretation: The specification describes protrusions that are "generally hemispherical discs that extend perpendicularly from surface 224 to engage apertures 158 and channel 156 in L-track type floor track 150" (’867 Patent, col. 6:15-19). This explicit association with an "L-track" could be used to argue that the term is limited to structures designed for that specific track type.

VI. Other Allegations

  • Indirect Infringement: The complaint alleges active inducement of infringement under 35 U.S.C. § 271(b) (Compl. ¶126). The factual basis for this allegation includes Defendant’s website, installation instructions, marketing brochures, and videos, which allegedly instruct customers and third parties on how to perform the infringing steps of the patented method (Compl. ¶128, ¶73, ¶79).
  • Willful Infringement: Willfulness is alleged based on Defendant’s purported knowledge of the ’867 Patent since at least October 26, 2021, the date of a notice letter allegedly sent by Plaintiff (Compl. ¶129). The complaint alleges that Defendant’s continued infringement after receiving this notice has been "willful, deliberate, and/or in conscious disregard of the rights of Fenton Mobility" (Compl. ¶130).

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

  1. Definitional Scope: A core issue will be one of claim construction: does the accused "ALFO Seat Base," a multi-part frame, constitute an "integrable seat leg" as that term is defined by the patent, or is there a fundamental structural difference that places the accused product outside the scope of the claims?
  2. Technical Equivalence: A key evidentiary question will focus on the specific structures of the accused device. For example, do the track-engaging components of the ALFO system meet the precise "hemispherical discs" limitation of claim 9, or is there a technical mismatch in their geometry or function?
  3. Inducement and Willfulness: The case will likely examine the extent of Defendant’s knowledge and intent. Can Plaintiff prove, based on the alleged pre-suit notice letter and online instructional materials, that Defendant not only knew of the patent but also acted with the specific intent to encourage its customers' infringing acts, thereby supporting the claims for both induced and willful infringement?