DCT

5:26-cv-00279

ABC IP LLC v. Farrington

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I. Executive Summary and Procedural Information

  • Parties & Counsel:
  • Case Identification: 5:26-cv-00279, E.D. Ky., 07/23/2026
  • Venue Allegations: Venue is asserted on the basis that the Defendant resides in, has committed acts of infringement in, and maintains a regular and established place of business within the Eastern District of Kentucky.
  • Core Dispute: Plaintiffs allege that Defendant's "Super Safety," "Atrius Selector," and "Disruptor" firearm trigger modification products infringe nine U.S. patents related to forced reset trigger mechanisms.
  • Technical Context: The technology pertains to trigger mechanisms for semi-automatic firearms, specifically "forced reset triggers," which use the energy from the firearm's cycling action to reset the trigger, enabling a faster rate of fire compared to standard designs.
  • Key Procedural History: The complaint asserts that Plaintiff Rare Breed has used the "FRT" trademark since at least 2020 to identify its unique trigger systems, which it alleges has become uniquely identified with its products.

Case Timeline

Date Event
2017-09-29 Earliest Priority Date for '223 Patent
2019-12-24 '223 Patent Issued
2020-01-01 Plaintiffs' use of FRT mark begins (at least as early as)
2021-11-05 Earliest Priority Date for '784 Patent
2022-01-10 Earliest Priority Date for '003, '336, '807, '403 Patents
2022-09-08 Earliest Priority Date for '247 and '159 Patents
2023-03-21 FRT-15 Trademark Registration Date
2023-08-15 '003 Patent Issued
2023-12-04 Earliest Priority Date for '538 Patent
2024-07-09 '784 Patent Issued
2024-07-16 '247 Patent Issued
2024-07-16 '336 Patent Issued
2025-04-15 '807 Patent Issued
2026-01-20 '538 Patent Issued
2026-03-17 '159 Patent Issued
2026-05-26 '403 Patent Issued
2026-07-23 Complaint Filed

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

U.S. Patent No. 12,038,247 - Firearm Trigger Mechanism

Issued July 16, 2024

The Invention Explained

  • Problem Addressed: Standard semi-automatic triggers use a disconnector to ensure only one shot is fired per trigger pull, which limits the potential rate of fire because a user cannot manually release and reset the trigger faster than the firearm's mechanical cycle Compl. ¶¶24-25 The patent background notes that prior art attempts to increase the rate of fire, such as "bump firing," are often unreliable or complex U.S. 12,038,247, col. 1:40-54
  • The Patented Solution: The invention is a trigger mechanism featuring a "three position" safety selector that allows operation in a standard semi-automatic mode or a "forced reset" mode U.S. 12,038,247, abstract In the forced reset mode, a cam, rotated by the rearward movement of the bolt carrier, forces the trigger member back to its set position, while a locking bar prevents the trigger from being pulled again until the bolt carrier is safely back in battery Compl. ¶27 U.S. 12,038,247, col. 9:49-65 This allows the user to fire again immediately upon the action closing, without needing to manually release the trigger.
  • Technical Importance: The invention provides a "drop-in" module that enables an accelerated rate of semi-automatic fire in common firearm platforms like the AR-15, offering a selectable mode of operation beyond standard functionality U.S. 12,038,247, col. 2:20-25

Key Claims at a Glance

  • The complaint asserts independent claim 15 Compl. ¶56
  • The essential elements of claim 15 include:
    • A firearm trigger mechanism comprising a hammer, a trigger member, a disconnector, and a cam.
    • The hammer, trigger member, and disconnector are adapted to be mounted in a fire control pocket and have standard interacting features (sear, hooks, pivots).
    • The cam is movable between a first position and a second position.
    • In the second position, the cam lobe "forces said trigger member towards said set position."
    • The claim outlines two modes: a "standard semi-automatic mode" where the user must manually release the trigger, and a "forced reset semi-automatic mode" where the cam's position prevents the disconnector from catching the hammer, allowing the user to fire again without manual release once the bolt is in battery.
  • The complaint reserves the right to assert other claims Compl. ¶56

U.S. Patent No. 12,031,784 - Adapted Forced Reset Trigger

Issued July 9, 2024

The Invention Explained

  • Problem Addressed: The patent's background explains that prior forced reset triggers, such as the one described in U.S. Patent No. 10,514,223, face "geometric limitations" when adapted to different firearm platforms (e.g., an AR-10 versus an AR-15), where the dimensions and spacing of components like the bolt carrier and trigger mechanism differ U.S. 12,031,784, col. 1:30-54 An extended locking member tall enough to be actuated by an AR-10 bolt carrier would interfere with the carrier as it cycles rearward.
  • The Patented Solution: The invention introduces a trigger member locking device with a "deflectable extension" U.S. 12,031,784, abstract This locking member has a body portion and an upwardly extending portion that is "separately movable" between an extended and a deflected position U.S. 12,031,784, col. 5:3-9 This design allows the extension to be actuated by the bolt carrier's forward movement but also to fold or deflect out of the way to avoid interference as the bolt carrier cycles to the rear.
  • Technical Importance: This innovation allows the forced reset trigger concept to be adapted for use in "multiple and varied semi-automatic firearm designs" beyond the standard AR-15 platform by overcoming the geometric constraints of prior designs Compl. ¶28

Key Claims at a Glance

  • The complaint asserts independent claim 1 Compl. ¶72
  • The essential elements of claim 1 include:
    • An extended trigger member locking device for a forced reset trigger mechanism.
    • A locking member movable between a first (locked) and second (unlocked) position.
    • The locking member includes a "generally upward extension portion" to make contact with the bolt carrier.
    • Crucially, the locking member has a body portion that is movably supported and an "upwardly extending deflectable portion that is separately movable relative to the body portion between an extended position and a deflected position."
  • The complaint reserves the right to assert other claims Compl. ¶72

Multi-Patent Capsules

  • U.S. Patent No. 12,529,538, Safety Mechanism for Firearm, Issued January 20, 2026

    • Technology Synopsis: The patent describes a safety mechanism for a firearm that employs a cam selector, a lever, and a trigger Compl. ¶29 The cam selector has multiple recesses and operates in three modes: a standard semi-automatic mode, an "active reset" mode where the cam forces the trigger to reset, and a safe mode that prevents the trigger from being pulled Compl. ¶29 U.S. 12,529,538, abstract
    • Asserted Claims: Independent claim 1 Compl. ¶87
    • Accused Features: The "Super Safety" product Compl. ¶87

  • U.S. Patent No. 12,578,159, Firearm Trigger Mechanism, Issued March 17, 2026

    • Technology Synopsis: This patent discloses a firearm trigger mechanism operable in two modes: a standard semi-automatic mode and a "forced reset" semi-automatic mode Compl. ¶103 The mechanism uses a cam, rotated by the cycling of the firearm's action, to move the trigger member to its reset position Compl. ¶27
    • Asserted Claims: Independent claim 1 Compl. ¶101
    • Accused Features: The "Super Safety" and "Atrius Selector" products Compl. ¶101

  • U.S. Patent No. 10,514,223, Firearm Trigger Mechanism, Issued December 24, 2019

    • Technology Synopsis: The patent describes a device where the cycling of the firearm's action causes hammer contact with the trigger member, which "forcefully reset[s] the hammer and trigger member" Compl. ¶30 A locking bar is included to prevent the trigger from being pulled until the bolt carrier has returned to the in-battery position Compl. ¶30
    • Asserted Claims: Independent claim 4 Compl. ¶116
    • Accused Features: The "Disruptor" product Compl. ¶116

  • U.S. Patent No. 11,724,003, Firearm Trigger Mechanism, Issued August 15, 2023

    • Technology Synopsis: This patent describes a trigger device that can be selected to operate in two modes: a standard disconnector semi-automatic mode and a forced reset semi-automatic mode Compl. ¶31 It is part of a family of patents describing a similar dual-mode operation.
    • Asserted Claims: Independent claim 4 Compl. ¶130
    • Accused Features: The "Disruptor" product Compl. ¶130

  • U.S. Patent No. 12,036,336, Firearm Trigger Mechanism, Issued July 16, 2024

    • Technology Synopsis: This patent claims a trigger device with two selectable modes of operation: a standard disconnector semi-automatic mode and a forced reset semi-automatic mode Compl. ¶31 It shares a similar operational description with the '003, '807, and '403 patents.
    • Asserted Claims: Independent claim 3 Compl. ¶144
    • Accused Features: The "Disruptor" product Compl. ¶144

  • U.S. Patent No. 12,274,807, Firearm Trigger Mechanism, Issued April 15, 2025

    • Technology Synopsis: This patent also describes a trigger device that can operate in two distinct modes: a standard disconnector semi-automatic mode and a forced reset semi-automatic mode Compl. ¶31
    • Asserted Claims: Independent claim 1 Compl. ¶157
    • Accused Features: The "Disruptor" product Compl. ¶157

  • U.S. Patent No. 12,636,403, Firearm Trigger Mechanism, Issued May 26, 2026

    • Technology Synopsis: This patent covers a similarly operating device that can be selected to operate in either a standard disconnector semi-automatic mode or a forced reset semi-automatic mode Compl. ¶31
    • Asserted Claims: Independent claim 38 Compl. ¶171
    • Accused Features: The "Super Safety," "Atrius Selector," and "Disruptor" products Compl. ¶171

III. The Accused Instrumentality

Product Identification

The accused instrumentalities are the "Super Safety," "Atrius Selector," and "Disruptor" products marketed by Defendant Compl. ¶¶33-44

Functionality and Market Context

The complaint alleges these products are aftermarket trigger mechanisms for AR-pattern firearms that embody the "forced reset trigger" technology claimed in the asserted patents (Compl. ¶¶26; Compl. ¶34; Compl. ¶38; Compl. ¶42). They are offered for sale in various configurations, including as partial kits, complete kits for user installation, and pre-installed in lower receivers or complete firearms Compl. ¶35 Compl. ¶39 The complaint alleges these devices provide the user with selectable modes of fire, including a standard semi-automatic mode and a "forced reset" mode that accelerates the firing sequence (Compl. ¶¶37; Compl. ¶41; Compl. ¶45). The complaint provides a product photograph of the "Super Safety Trigger - Curved," showing the trigger, selector, and associated components sold as a kit Compl. ¶36

IV. Analysis of Infringement Allegations

12,038,247 Patent Infringement Allegations

Claim Element (from Independent Claim 15) Alleged Infringing Functionality Complaint Citation Patent Citation
A firearm trigger mechanism comprising: a hammer... a trigger member... a disconnector... and a cam... The complaint alleges the Super Safety, when installed, is a forced reset trigger mechanism with a hammer, trigger, disconnector, and cam (Compl. ¶58). A plaintiff-generated rendering shows these color-coded components assembled in a receiver (Compl. p. 16). ¶58 col. 10:25-30
said cam being movable between a first position and a second position, in said second position said cam lobe forces said trigger member towards said set position, The accused Super Safety cam is alleged to be movable between two positions. In the second position ("forced reset semi-automatic mode"), the cam lobe allegedly forces the trigger member toward its set position, as shown in a provided diagram (Compl. p. 20). ¶58 col. 10:48-52
whereupon in a standard semi-automatic mode... said cam is in said first position, rearward movement of the bolt carrier causes rearward pivoting of said hammer such that said disconnector hook catches said hammer hook... at which time a user must manually release said trigger member... In standard mode, the cam is in the first position, and rearward bolt carrier movement allegedly causes the disconnector to catch the hammer. The user must then manually release the trigger to reset the mechanism and fire again (Compl. p. 22). ¶58 col. 10:53-65
and whereupon in a forced reset semi-automatic mode, said cam is in said second position, rearward movement of the bolt carrier causes rearward pivoting of said hammer such that said disconnector hook is prevented from catching said hammer hook, and thereafter... the user can pull said trigger member to fire the firearm. In forced reset mode, the cam is in the second position, which allegedly prevents the disconnector from catching the hammer. This allows the user to pull the trigger to fire again without a manual release once the bolt carrier is in battery (Compl. pp. 23-24). ¶58 col. 10:66-col. 11:7

12,031,784 Patent Infringement Allegations

Claim Element (from Independent Claim 1) Alleged Infringing Functionality Complaint Citation Patent Citation
In a forced reset trigger mechanism, an extended trigger member locking device, comprising: a locking member that is movable between a first position in which it locks a trigger against pulling movement and a second position where it does not restrict movement... The complaint alleges the accused Super Safety functions as an extended trigger member locking device with a locking member that moves between a locked and an unlocked position (Compl. p. 38). Plaintiff-generated diagrams illustrate this locked first position and unlocked second position (Compl. p. 39). ¶74 col. 5:1-9
the locking member configured to be movably supported by a frame and including a generally upward extension portion configured to make actuating contact with a surface of the bolt carrier... The Super Safety is allegedly supported by the firearm's frame (lower receiver) and has an upward extending lever arm configured to make contact with the bolt carrier, which causes the locking member to move from the first to the second position (Compl. p. 40). ¶74 col. 5:10-15
the locking member having a body portion that is movably supported and an upwardly extending deflectable portion that is separately movable relative to the body portion between an extended position and a deflected position. The Atrius Selector is alleged to have a body portion supported by the receiver and a "separately movable" deflectable lever arm. A diagram shows the lever arm in an extended (red) and deflected (yellow) position, illustrating its separate travel relative to the body (Compl. p. 46). ¶75 col. 5:16-21

Identified Points of Contention

  • Scope Questions: For the '247 Patent, a central issue may be whether the term "forces said trigger member" requires a specific type or degree of mechanical action that is distinct from the operation of the accused products.
  • Technical Questions: For the '784 Patent, a key technical question will be whether the accused products' locking mechanisms possess a portion that is "separately movable" as defined by the claim. The dispute may focus on whether the accused mechanism, which may be a single, flexible component, meets the claim's requirement for a distinct "body portion" and a "deflectable portion" that moves relative to it, as distinguished from a unitary component that simply flexes.

V. Key Claim Terms for Construction

  • Term from '247 Patent: "forces said trigger member towards said set position" (Claim 15)

    • Context and Importance: This term is the core of the "forced reset" concept. The definition will determine the nature of the interaction required between the cam and the trigger. Practitioners may focus on this term because the infringement analysis depends on whether the accused cam's interaction with the trigger constitutes "forcing" it to reset, as opposed to merely assisting or enabling a reset.
    • Intrinsic Evidence for a Broader Interpretation: The patent specification describes the interaction in general terms, stating that "contact between a rear surface... of the hammer... and a contact surface... of the trigger member... forces the trigger to pivot... toward and to its reset position" U.S. 12,038,247, col. 9:33-38 This general language may support an interpretation that covers any mechanical action that causes the reset.
    • Intrinsic Evidence for a Narrower Interpretation: The specific embodiment illustrated in the figures, such as Figure 9C, shows a direct, positive mechanical contact where the hammer's rotation cams the trigger member back into the set position U.S. 12,038,247, Fig. 9C A defendant may argue this limits the term to a direct, non-yielding push, as opposed to a more passive interaction.

  • Term from '784 Patent: "separately movable" (Claim 1)

    • Context and Importance: This term distinguishes the invention from prior art locking bars that were single, rigid components. The case may turn on whether the accused device's lever arm is "separately movable" from its body.
    • Intrinsic Evidence for a Broader Interpretation: The patent's summary of the invention states the device has an upward extension portion that is "separately movable relative to the body portion between an extended position and a deflected position" U.S. 12,031,784, col. 1:63-67 This language could be argued to encompass any design where one part of the locking member can move (e.g., flex or bend) without causing movement of the entire component.
    • Intrinsic Evidence for a Narrower Interpretation: The embodiments shown in Figures 2-4 and 8-10 of the patent depict a distinct body portion and a separate extension portion connected by a physical pivot pin U.S. 12,031,784, Fig. 2 U.S. 12,031,784, Fig. 8 A defendant may argue that "separately movable" requires this two-piece, hinged construction, and does not read on a single, flexible component.

VI. Other Allegations

  • Indirect Infringement: The complaint alleges both induced and contributory infringement for all asserted patents.
    • Inducement: The allegations are based on Defendant taking active steps to encourage infringement, specifically by providing promotional materials and installation guides on its website that instruct customers on how to install and use the accused products in an infringing manner with AR-15 firearms Compl. ¶61 Compl. ¶76 Compl. ¶105 Compl. ¶119 Compl. ¶133 Compl. ¶147 Compl. ¶160 Compl. ¶176
    • Contributory Infringement: The allegations are based on the sale of components (e.g., the cam or lever arm) that are "specially designed and adapted to be used in a fire control unit to forcibly reset a trigger mechanism" and are "not suitable for substantial noninfringing use" Compl. ¶63 Compl. ¶78 Compl. ¶92 Compl. ¶107 Compl. ¶121 Compl. ¶135 Compl. ¶149 Compl. ¶162 Compl. ¶178
  • Willful Infringement: The complaint alleges willful infringement for all asserted patents, stating that Defendant "has known or should have known" that its actions constituted infringement and "could not reasonably or subjectively believe that the patent is invalid" Compl. ¶64 Compl. ¶79 Compl. ¶93 Compl. ¶108 Compl. ¶122 Compl. ¶136 Compl. ¶150 Compl. ¶163 Compl. ¶179 This allegation is asserted to support a claim for enhanced damages under 35 U.S.C. § 284.

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

  • A central technical question for the infringement analysis will be one of mechanical operation: Do the accused "Super Safety," "Atrius Selector," and "Disruptor" products, when installed, replicate the precise sequence of operations and interactions between the hammer, trigger, disconnector, and cam/locking members as recited in the asserted claims, or is there a functional mismatch that could support a non-infringement defense?
  • A core issue of claim construction will be one of structural scope, particularly for the '784 patent: can the term "separately movable," which is key to adapting the technology for different firearm platforms, be interpreted to cover a single, flexible component, or is it limited by the patent's disclosure to a multi-piece, hinged assembly, a distinction that could be dispositive for infringement?
  • A key evidentiary question will be one of culpability: What evidence will be presented to establish that the Defendant possessed pre-suit or post-suit knowledge of the asserted patents and either proceeded with its activities despite an objectively high likelihood of infringement or lacked a reasonable, good-faith belief in non-infringement or invalidity, which will be critical for Plaintiffs' claim for willful infringement and potential enhanced damages?
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