ABC IP LLC v. East Coast Cerakote LLC

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: ABC IP, LLC (Delaware); Rare Breed Triggers, Inc. (Texas); and RBTM LLC (Wyoming)
  • Defendant: East Coast Cerakote LLC (South Carolina) and Gavin Luzier (South Carolina)
  • Plaintiff's Counsel: Dority & Manning, P.A.; Wood Herron & Evans LLP
• Case Identification: 3:26-cv-02196, D.S.C., 06/04/2026
• Venue Allegations: Venue is asserted on the basis that Defendants reside in the District of South Carolina and/or have a regular and established place of business in the district.
• Core Dispute: Plaintiffs allege that Defendants' aftermarket firearm trigger systems infringe nine patents related to forced reset trigger mechanisms and also infringe Plaintiffs' "FRT" trademark.
• Technical Context: The technology at issue involves mechanical trigger assemblies, primarily for AR-15-style firearms, that use the energy from a firearm's cycling bolt carrier to reset the trigger, enabling a faster rate of semi-automatic fire than is possible with standard trigger mechanisms.
• Key Procedural History: The complaint alleges that the manufacturer of one of the accused products maintains an online "FRT Legal Library" containing copies of several of the asserted patents, which Plaintiffs may use to argue that Defendants had pre-suit knowledge of the patents, supporting the claim for willful infringement.

Case Timeline

Date	Event
2017-09-29	Priority Date for '223 Patent
2019-12-24	'223 Patent Issued
2020-01-01	Plaintiffs' Alleged First Use of FRT Mark
2021-11-05	Priority Date for '784 Patent
2022-01-10	Priority Date for '003, '336, '807, and '403 Patents
2022-09-08	Priority Date for '247 and '159 Patents
2023-08-15	'003 Patent Issued
2023-12-04	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
2026-06-04	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: In a standard semi-automatic firearm trigger, a disconnector holds the hammer after firing until the user manually releases the trigger Compl. ¶25 This user-dependent reset action limits the potential rate of fire and can lead to "hammer follow," where the hammer follows the bolt carrier forward without firing, leaving the firearm uncocked Compl. ¶25
• The Patented Solution: The invention is a firearm trigger device with selectable modes, including a "forced reset" mode Compl. ¶27 In this mode, the cycling of the firearm's action rotates a cam, which in turn physically forces the trigger member back to its reset position Compl. ¶27 This action ensures the trigger is reset by the firearm's mechanical cycle rather than by the user's finger, allowing for an accelerated rate of fire while preventing the trigger from being pulled again until the action is safely in battery Compl. ¶27
• Technical Importance: The technology provides a method for significantly accelerating the rate of semi-automatic fire through a purely mechanical solution that is distinct from pull/release triggers or illegal automatic conversion devices Compl. ¶27

Key Claims at a Glance

• The complaint asserts independent claim 15 Compl. ¶62
• Claim 15 recites a firearm trigger mechanism with two operational modes, comprising:
  • A hammer, trigger member, and disconnector that pivot within a receiver.
  • A movable cam with a cam lobe.
  • In a "standard semi-automatic mode," the cycling bolt carrier causes the disconnector to catch the hammer, requiring the user to manually release the trigger to fire again.
  • In a "forced reset semi-automatic mode," the cam is in a second position where the cam lobe forces the trigger member toward its set position, and the disconnector hook is prevented from catching the hammer, allowing the user to fire again once the bolt is in battery without manually releasing the trigger.
• The complaint reserves the right to assert other claims Compl. ¶62

U.S. Patent No. 12,031,784 - "Adapted Forced Reset Trigger," issued July 9, 2024

The Invention Explained

• Problem Addressed: The complaint notes that the invention overcomes "geometric limitations of prior art designs for use in multiple and varied semi-automatic firearm designs" Compl. ¶28 The patent specification explains that a locking bar in a forced reset trigger designed for one firearm platform (e.g., an AR-15) may be too short to be actuated by the bolt carrier of a different platform (e.g., an AR-10), or its extended length might interfere with the bolt carrier's movement '784 Patent, col. 1:19-44
• The Patented Solution: The patent describes an extended trigger locking mechanism that features a "deflectable extension" '784 Patent, abstract This extension is actuated by the forward movement of the bolt carrier to unlock the trigger, but it is also designed to "deflect or fold separately" to allow the forward portion of the bolt carrier to pass over it during the rearward part of its cycle without interference Compl. ¶28 '784 Patent, col. 2:48-54
• Technical Importance: This design allows forced reset trigger technology to be adapted for use across a wider variety of semi-automatic firearm platforms with different internal geometries and dimensions Compl. ¶28

Key Claims at a Glance

• The complaint asserts independent claim 1 Compl. ¶77
• Claim 1 recites an extended trigger member locking device for a forced reset trigger, comprising:
  • A locking member movable between a first (locked) position and a second (unlocked) position.
  • An upward extension on the locking member to make actuating contact with a bolt carrier.
  • The locking member has a movably supported body portion and an "upwardly extending deflectable portion that is separately movable relative to the body portion."
• The complaint reserves the right to assert other claims Compl. ¶77

Multi-Patent Capsule: U.S. Patent No. 12,529,538

• Patent Identification: U.S. Patent No. 12,529,538, "Safety Mechanism for Firearm," issued January 20, 2026.
• Technology Synopsis: The patent describes a safety mechanism employing a "cam selector" with multiple recesses that allows for three modes of operation Compl. ¶29 In a first mode, a trigger tail is movable; in a second mode, the trigger tail engages a different recess and is moved by a cam; in a third mode, the cam selector prevents the trigger from being pulled Compl. ¶29
• Asserted Claims: Claim 1 is asserted Compl. ¶92
• Accused Features: The "Super Safety" product is alleged to infringe Compl. ¶92

Multi-Patent Capsule: U.S. Patent No. 12,578,159

• Patent Identification: U.S. Patent No. 12,578,159, "Firearm Trigger Mechanism," issued March 17, 2026.
• Technology Synopsis: The patent is described as providing a "novel device for accelerating the firing sequence" of a semi-automatic firearm Compl. ¶27 The device uses a cam, rotated by the cycling action, to reset the trigger and prevent it from being pulled until the action is in-battery Compl. ¶27 It can be selected to operate in either a standard or a "forced reset" semi-automatic mode Compl. ¶27
• Asserted Claims: Claim 1 is asserted Compl. ¶106
• Accused Features: The "Super Safety" and "ARC-Fire" products are alleged to infringe Compl. ¶106

Multi-Patent Capsule: U.S. Patent No. 10,514,223

• Patent Identification: 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 action causes the hammer to contact the trigger member, forcefully resetting both Compl. ¶30 A locking bar prevents the user from pulling the trigger again until the bolt carrier has returned to its in-battery position Compl. ¶30
• Asserted Claims: Claim 4 is asserted Compl. ¶121
• Accused Features: The "Disruptor" product is alleged to infringe Compl. ¶121

Multi-Patent Capsule: U.S. Patent No. 11,724,003

• Patent Identification: U.S. Patent No. 11,724,003, "Firearm Trigger Mechanism," issued August 15, 2023.
• Technology Synopsis: This patent describes a device similar to the others, with the additional feature that it can be selected to operate in one of two modes: a standard disconnector semi-automatic mode or a forced-reset semi-automatic mode Compl. ¶31
• Asserted Claims: Claim 4 is asserted Compl. ¶135
• Accused Features: The "Disruptor" product is alleged to infringe Compl. ¶135

Multi-Patent Capsule: U.S. Patent No. 12,036,336

• Patent Identification: U.S. Patent No. 12,036,336, "Firearm Trigger Mechanism," issued July 16, 2024.
• Technology Synopsis: This patent describes a device with selectable modes: a standard disconnector semi-automatic mode and a forced-reset semi-automatic mode Compl. ¶31
• Asserted Claims: Claim 3 is asserted Compl. ¶149
• Accused Features: The "Disruptor" product is alleged to infringe Compl. ¶149

Multi-Patent Capsule: U.S. Patent No. 12,274,807

• Patent Identification: U.S. Patent No. 12,274,807, "Firearm Trigger Mechanism," issued April 15, 2025.
• Technology Synopsis: This patent is described as covering a device with two selectable operating modes: a standard disconnector semi-automatic mode and a forced-reset semi-automatic mode Compl. ¶31
• Asserted Claims: Claim 1 is asserted Compl. ¶163
• Accused Features: The "Disruptor" product is alleged to infringe Compl. ¶163

Multi-Patent Capsule: U.S. Patent No. 12,636,403

• Patent Identification: U.S. Patent No. 12,636,403, "Firearm Trigger Mechanism," issued May 26, 2026.
• Technology Synopsis: This patent is also described as covering a device with selectable standard and forced-reset semi-automatic operating modes Compl. ¶31
• Asserted Claims: Claim 38 is asserted Compl. ¶177
• Accused Features: The "Super Safety" and "ARC-Fire" products are alleged to infringe Compl. ¶177

III. The Accused Instrumentality

• Product Identification: The complaint identifies three accused product lines: the "(3-Position) 'Super Safety'," the "(3-Position) Partisan Disruptor," and the "(3-Position) 'ARC-Fire'" Compl. ¶¶34 Compl. ¶38 Compl. ¶46
• Functionality and Market Context: The accused products are aftermarket trigger systems for AR-15 pattern firearms, sold as standalone kits or pre-installed in firearms Compl. ¶¶35 Compl. ¶40 Compl. ¶47 The complaint alleges these products operate in multiple modes, including a "standard semiautomatic with disconnector" mode and a "forced reset semiautomatic with cam" mode, which can be switched by moving a safety selector Compl. ¶¶37 Compl. ¶42 The complaint provides a product image for the "Super Safety" kit, showing its various components Compl. ¶36, p. 9 The complaint alleges Defendants market these products using the "FRT" designation, which Plaintiffs claim as their trademark Compl. ¶¶55-57

IV. Analysis of Infringement Allegations

'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...and a disconnector...	The complaint shows Plaintiff-generated renderings of the Super Safety and ARC-Fire products installed in a firearm receiver, including a hammer, trigger member, and disconnector. This rendering depicts the interaction of the accused components Compl. ¶64, p. 17	¶64; ¶65	Patent specification not provided in complaint.
and a cam having a cam lobe and adapted to be movably mounted in the fire control mechanism pocket,	The Super Safety and ARC-Fire are alleged to include a component identified as a "cam with a cam lobe and lever" that is movably mounted in the fire control pocket.	¶64; ¶65	Patent specification not provided in complaint.
said cam being movable between a first position and a second position...	The accused cam is alleged to be movable between two positions corresponding to the different operating modes.	¶64; ¶65	Patent specification not provided in complaint.
whereupon in a standard semi-automatic mode, said cam is in said first position, rearward movement of the bolt carrier causes...said disconnector hook catches said hammer hook...at which time a user must manually release said trigger member to free said hammer...	In standard mode, the accused cam is in its first position, and the action cycling causes the disconnector to catch the hammer, requiring a manual trigger release by the user to reset and fire again.	¶64; ¶65	Patent specification not provided in complaint.
and whereupon in a forced reset semi-automatic mode, said cam is in said second position, rearward movement of the bolt carrier causes...said disconnector hook is prevented from catching said hammer hook...at which time the user can pull said trigger member to fire the firearm.	In forced reset mode, the accused cam is in its second position, which forces the trigger to reset and prevents the disconnector from catching the hammer, allowing the user to fire again without a manual release.	¶64; ¶65	Patent specification not provided in complaint.

• Identified Points of Contention:
  • Scope Questions: A central question may be the construction of the term "cam." The dispute will likely focus on whether the structure and operation of the accused "Super Safety" and "ARC-Fire" components fall within the scope of this term as used in the patent.
  • Technical Questions: An evidentiary question will be whether the accused products' components, in the "forced reset" mode, actually perform the dual functions required by the claim: forcing the trigger toward the set position and preventing the disconnector hook from catching the hammer hook.

'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... and a second position where it does not restrict movement...	The complaint alleges the Super Safety and ARC-Fire function as an extended trigger locking device, operating as a locking member with locked and unlocked positions.	¶79; ¶80	'784 Patent, col. 3:10-13
the locking member configured to be movably supported by a frame	The accused devices are alleged to be movably supported by the firearm's lower receiver, which functions as the frame.	¶79; ¶80	'784 Patent, col. 3:26-28
and including a generally upward extension portion configured to make actuating contact with a surface of the bolt carrier...	The accused devices are alleged to have an upward extending portion (lever arm) configured to make contact with the bolt carrier.	¶79; ¶80	'784 Patent, col. 3:39-42
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 complaint alleges the ARC-Fire product has a lever arm that is separately movable relative to its body, showing it in both extended and deflected states. A diagram illustrates the separate travel of this deflectable portion Compl. ¶80, p. 52	¶80	'784 Patent, col. 3:59-63

• Identified Points of Contention:
  • Scope Questions: The case may turn on the construction of "upwardly extending deflectable portion that is separately movable relative to the body portion." The dispute will likely involve whether the two-piece, pivoted construction of the accused ARC-Fire device meets this limitation, or if the term requires a different structure, such as one made of a flexible material.
  • Technical Questions: A key factual question will be whether the alleged "folding" or "deflecting" action of the accused devices Compl. ¶28 is functionally equivalent to the "separately movable" limitation of the claim, particularly in how it avoids interference with the bolt carrier's cycle.

V. Key Claim Terms for Construction

For U.S. Patent No. 12,038,247:

• The Term: "cam"
• Context and Importance: This term is the central structural element alleged to achieve the "forced reset." Its definition is critical, as infringement will depend on whether the accused multi-part "Super Safety Cam with Lobe and Lever" Compl. ¶64, p. 20 and similar ARC-Fire component constitute a "cam" as claimed.
• Intrinsic Evidence for Interpretation: The complaint does not provide the specification for the '247 patent. Analysis is based on the complaint's allegations and related patents.
  • Evidence for a Broader Interpretation: The complaint describes the function broadly as "a cam, rotated by cycling of the action, to move the trigger member to reset" Compl. ¶27, which could support an interpretation covering any rotating component that imparts motion to the trigger.
  • Evidence for a Narrower Interpretation: The complaint's own infringement chart labels the accused part as a "Cam with Lobe and Lever" Compl. ¶64, p. 20, suggesting a multi-component assembly. A defendant may argue that the term "cam" as used in the patent refers to a single, unitary component with a specific profile, not a multi-part lever assembly.

For U.S. Patent No. 12,031,784:

• The Term: "deflectable portion that is separately movable relative to the body portion"
• Context and Importance: This limitation defines the core novelty claimed in the '784 patent-the solution for adapting the locking mechanism to different firearm geometries. Practitioners may focus on this term because the infringement case for the ARC-Fire product appears to hinge on whether its pivoted lever arm qualifies as a "deflectable portion that is separately movable."
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The claim uses the general term "movable," which could be argued to encompass a wide range of movements, including pivoting, sliding, or flexing. The patent's summary states the invention "provides a deflectable extension... but deflects or folds to avoid interfering contact" '784 Patent, col. 2:48-51, suggesting "deflects" and "folds" are exemplary, not limiting.
  • Evidence for a Narrower Interpretation: The specific embodiment illustrated in the patent shows the "foldable extension portion 22 that pivots on... a transverse pivot pin 24 relative to the locking bar body 26" '784 Patent, col. 3:39-42 A defendant may argue this disclosure limits the claim scope to a hinged or pivoted connection, as opposed to a portion that is inherently flexible or made of a resilient material.

VI. Other Allegations

• Indirect Infringement: The complaint alleges both induced and contributory infringement. Inducement allegations are based on Defendants providing installation instructions, offering assembly services, and promoting the use of the accused products Compl. ¶¶50 Compl. 66 Compl. 81 Contributory infringement is alleged on the basis that the components are "specially designed and adapted" for infringing use and are not suitable for substantial non-infringing uses Compl. ¶¶68 Compl. 83
• Willful Infringement: Plaintiffs allege willful infringement based on Defendants' purported knowledge of the asserted patents. The complaint points to an "FRT Legal Library" on a third-party manufacturer's website, which allegedly includes copies of some asserted patents, and claims Defendant Luzier had access to this library Compl. ¶¶49 Compl. 51 Compl. 53 The continued sale of the products despite this alleged knowledge is asserted as the basis for willfulness Compl. ¶¶69 Compl. 84

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

This case presents a complex dispute over firearm trigger technology, intertwined with allegations of trademark infringement. The key questions for the court will likely include:

• A primary issue will be one of claim construction: How will the court define the central terms of the inventions, such as the "cam" in the '247 patent and the "upwardly extending deflectable portion that is separately movable" in the '784 patent? The infringement analysis for the different accused products will turn heavily on whether their specific mechanical assemblies fall within the scope of these definitions.
• A second issue will be one of technical and factual infringement: Assuming the court's claim constructions, does the evidence show that the accused "Super Safety," "Partisan Disruptor," and "ARC-Fire" triggers actually operate in the manner required by the patent claims? This will involve a detailed, fact-intensive comparison of the products' mechanics against the functional limitations recited in the asserted claims.
• A third critical question relates to willfulness and damages: The complaint's allegations tie the patent infringement claims to the alleged misuse of Plaintiffs' "FRT" trademark. If infringement is found, a key question will be whether Plaintiffs can prove that Defendants had pre-suit knowledge of the patents, potentially leading to a finding of willfulness and enhanced damages. The evidence surrounding the "FRT Legal Library" and Defendants' marketing practices will be central to this determination.