DCT

4:26-cv-00760

ABC IP LLC v. Dogwood Armory LLC

Key Events
Complaint
complaint Intelligence

I. Executive Summary and Procedural Information

  • Parties & Counsel:
  • Case Identification: 1:26-cv-498, M.D.N.C., 05/28/2026
  • Venue Allegations: Venue is asserted as proper in the Middle District of North Carolina on the grounds that Defendants reside in the district and have a regular and established place of business there.
  • Core Dispute: Plaintiffs allege that Defendants' "Super Safety" line of firearm trigger kits and components infringes five patents related to "forced reset" trigger mechanisms.
  • Technical Context: The technology involves mechanical trigger assemblies for semi-automatic firearms (such as the AR-15 platform) that use the energy from the cycling bolt carrier to forcibly reset the trigger, enabling a faster potential rate of fire than standard trigger designs.
  • Key Procedural History: The complaint does not allege a history of prior litigation or pre-suit communication between the parties regarding the patents-in-suit.

Case Timeline

Date Event
2020-01-01 Approximate date of Plaintiffs' first use of the "FRT" trademark
2021-11-05 '784 Patent Priority Date
2022-01-10 '403 Patent Priority Date
2022-09-08 '247 and '159 Patents Priority Date
2023-12-04 '538 Patent Priority Date
2024-07-09 '784 Patent Issue Date
2024-07-16 '247 Patent Issue Date
2026-01-20 '538 Patent Issue Date
2026-03-17 '159 Patent Issue Date
2026-05-26 '403 Patent Issue Date
2026-05-28 Complaint Filing Date

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

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

Issued July 16, 2024 Compl. ¶13 '247 Patent, cover

The Invention Explained

  • Problem Addressed: Standard semi-automatic trigger mechanisms include a disconnector that prevents the hammer from "following" the bolt carrier back into battery, which would result in an uncocked hammer or multiple rounds being fired from a single trigger pull Compl. ¶24 This safety feature, however, requires a user to manually release the trigger to reset the mechanism, limiting the rate of fire Compl. ¶24 '247 Patent, col. 1:30-41
  • The Patented Solution: The patent describes a trigger mechanism with two selectable modes: a standard semi-automatic mode and a "forced reset" semi-automatic mode '247 Patent, abstract In the forced reset mode, the rearward movement of the firearm's bolt carrier actuates a pivoting cam, which in turn physically forces the trigger member back to its reset position '247 Patent, col. 2:56-61 A safety selector simultaneously prevents the disconnector from engaging the hammer, allowing the user to pull the trigger again immediately upon the bolt returning to battery, without first having to manually release the trigger '247 Patent, abstract '247 Patent, col. 3:1-11
  • Technical Importance: This design allows for a significantly accelerated rate of semi-automatic fire by using the firearm's own mechanical action to bypass the manual trigger release step required in standard designs Compl. ¶26

Key Claims at a Glance

  • The complaint asserts independent claim 15 Compl. ¶37
  • The essential elements of independent claim 15 include:
    • A firearm trigger mechanism comprising a hammer, a trigger member, a disconnector, and a movable cam with a cam lobe.
    • The cam is movable between a first position (for standard mode) and a second position (for forced reset mode), where in the second position, the cam lobe "forces said trigger member towards said set position."
    • In "standard semi-automatic mode," the cam is in the first position, and the disconnector hook catches the hammer hook, requiring a manual trigger release to fire again.
    • In "forced reset semi-automatic mode," the cam is in the second position, the disconnector hook is prevented from catching the hammer hook, and the user can pull the trigger again once the bolt carrier is in battery.
  • The complaint reserves the right to assert other claims Compl. ¶37

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

Issued July 9, 2024 Compl. ¶14 '784 Patent, cover

The Invention Explained

  • Problem Addressed: A forced reset trigger mechanism designed for one firearm platform (e.g., an AR-15) may be geometrically incompatible with another (e.g., an AR-10). Specifically, a locking member extension long enough to be actuated by the farther-away bolt carrier of an AR-10 would then interfere with a lower surface of that same bolt carrier as it cycles rearward '784 Patent, col. 1:20-44
  • The Patented Solution: The patent discloses a locking member with a "deflectable" or "separately movable" upward extension '784 Patent, abstract This extension is long enough to be actuated by the bolt carrier as it moves into battery, but it is designed with a one-way hinge or pivot that allows it to fold away when contacted by the bolt carrier during its rearward cycle, thus avoiding interference '784 Patent, col. 2:45-53 '784 Patent, col. 3:40-50
  • Technical Importance: This innovation provides a way to adapt a single forced reset trigger design for use across multiple firearm platforms with varying internal geometries, increasing its versatility Compl. ¶27

Key Claims at a Glance

  • The complaint asserts independent claim 1 Compl. ¶51
  • The essential elements of independent claim 1 include:
    • An extended trigger member locking device with a locking member movable between a first (locked) and second (unlocked) position.
    • The locking member includes a "generally upward extension portion" that makes "actuating contact" with a bolt carrier surface to cause the movement.
    • Crucially, the locking member has a "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. ¶51

U.S. Patent No. 12,529,538 - "Safety Mechanism for Firearm"

Issued January 20, 2026 Compl. ¶15

  • Technology Synopsis: The '538 patent describes a safety mechanism that uses a rotatable cam selector to enable three distinct operational modes. In addition to a standard semi-automatic mode and a safe mode, it includes an "active reset" mode where a cam portion on the selector engages the trigger tail to force it down, resetting the mechanism Compl. ¶28 '538 Patent, abstract
  • Asserted Claims: The complaint asserts independent claim 1 Compl. ¶65
  • Accused Features: The "Super Safety" is alleged to include a multi-mode cam selector that provides safe, standard semi-automatic, and active reset modes of operation, corresponding to the three modes claimed in the patent Compl. ¶35 Compl. ¶67, p. 41

U.S. Patent No. 12,578,159 - "Firearm Trigger Mechanism"

Issued March 17, 2026 Compl. ¶16

  • Technology Synopsis: The '159 patent, a continuation of the application leading to the '247 patent, describes a trigger mechanism with two selectable modes: "standard semi-automatic" and "forced reset semi-automatic" '159 Patent, abstract In the forced reset mode, the cycling of the firearm's bolt actuates a cam that forcibly resets the trigger, while the disconnector is prevented from holding the hammer, allowing for an accelerated rate of fire Compl. ¶26
  • Asserted Claims: The complaint asserts independent claim 1 Compl. ¶79
  • Accused Features: The "Super Safety" product is alleged to be a trigger mechanism that operates in both a standard mode and a forced reset mode, using a cam to reset the trigger as claimed Compl. ¶35 Compl. ¶81

U.S. Patent No. 12,636,403 - "Firearm Trigger Mechanism"

Issued May 26, 2026 Compl. ¶17

  • Technology Synopsis: The '403 patent discloses a trigger mechanism with selectable "standard" and "forced reset" modes '403 Patent, abstract The invention is characterized by the cycling of the action causing the hammer to make contact with the trigger member, which mechanically resets both components Compl. ¶29 This differs from other embodiments where a separate cam may be the primary resetting agent.
  • Asserted Claims: The complaint asserts independent claim 38 Compl. ¶93
  • Accused Features: The "Super Safety" is alleged to be a device where the hammer and trigger are mechanically reset through their interaction during the action's cycle, and which can be operated in both standard and forced reset modes Compl. ¶35 Compl. ¶95

III. The Accused Instrumentality

Product Identification

  • Defendants' "Super Safety" line of products, which includes various configurations such as the "Hoffman 4140 AR-15 Super Safety FULL KIT," "D2 Cam and Lever Only," and other partial kits, complete kits, and pre-installed units Compl. ¶¶31-32

Functionality and Market Context

  • The accused "Super Safety" is a trigger mechanism for AR-15 pattern firearms, sold through Defendants' "dogwoodarmory.com" website Compl. ¶33 The product is advertised as a performance and safety upgrade Compl. ¶34 According to the complaint, the device can be switched by the user to operate in a "disconnector mode" (standard semi-automatic) or in "forced reset semiautomatic with cam modes," which allows for a faster rate of fire Compl. ¶35 The complaint includes a screenshot of the "AR-15 Super safety kit" packaging and components, providing a visual reference for the accused product Compl. ¶34, p. 9

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..., said disconnector..., and a cam having a cam lobe... The accused Super Safety, when installed, is alleged to be a firearm trigger mechanism containing a hammer, trigger, disconnector, and a cam component. ¶39 col. 8:11-14
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 Super Safety's cam is alleged to be movable between two positions, with the second position corresponding to the "forced reset" mode where its cam lobe forces the trigger to reset. ¶39 col. 8:15-18
whereupon in a standard semi-automatic mode, ... said disconnector hook catches said hammer hook, ... a user must manually release said trigger member to free said hammer from said disconnector ... to fire the firearm, In its standard mode, the Super Safety allegedly operates such that the disconnector catches the hammer after a shot, requiring the user to release the trigger before firing again. ¶39 col. 8:19-35
whereupon in a forced reset semi-automatic mode, ... said disconnector hook is prevented from catching said hammer hook, ... the user can pull said trigger member to fire the firearm. In its forced reset mode, the Super Safety allegedly prevents the disconnector from catching the hammer, allowing the user to fire again without first releasing the trigger. The complaint provides a rendering of the cam in this second position Compl. ¶39, p. 23 ¶39 col. 8:36-47

Identified Points of Contention

  • Functional Questions: A central question for the court will be whether the accused "Super Safety" operates in two distinct modes that correspond precisely to the functional requirements of claim 15. The analysis will likely focus on whether, in the "forced reset mode," the accused disconnector is truly "prevented from catching said hammer hook" and whether the cam "forces" the trigger to reset in the specific manner claimed.
  • Scope Questions: As the accused products are sold as kits, a key issue may be how direct infringement is established Compl. ¶33 The analysis will raise the question of whether the sale of a kit containing the "cam with a cam lobe" Compl. ¶39, p. 19, intended for assembly with other standard components, constitutes direct infringement by the seller, or if the focus will be on indirect infringement theories.

'784 Patent Infringement Allegations

Claim Element (from Independent Claim 1) Alleged Infringing Functionality Complaint Citation Patent Citation
In a forced rest trigger mechanism, an extended trigger member locking device, comprising: a locking member that is movable between a first position ... and a second position... The Super Safety is alleged to be and to function as an extended trigger member locking device that moves between a locked first position and an unlocked second position. ¶53 col. 5:11-19
...including a generally upward extension portion configured to make actuating contact with a surface of a bolt carrier... The Super Safety is alleged to have an upward-extending lever arm that makes contact with the bolt carrier to actuate the locking mechanism. Plaintiff-generated renderings illustrate this contact Compl. ¶53, p. 31 ¶53 col. 5:22-27
...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... The complaint alleges this patent overcomes limitations of prior art designs by allowing a locking member to "deflect or fold separately from the body portion" Compl. ¶27 The infringement allegation rests on the Super Safety embodying this specific articulated structure. ¶53 col. 5:28-34

Identified Points of Contention

  • Technical Questions: The pivotal question is one of mechanical structure: does the accused Super Safety's locking member have both a "body portion" and a "separately movable" "deflectable portion" as required by the claim? Evidence will be needed to show whether the accused device is a multi-part, hinged component as depicted in the patent's figures (e.g.,'784 Patent, FIG. 2), or a unitary piece that simply flexes.
  • Scope Questions: The term "separately movable" will be a focal point of claim construction. The court will have to determine if this language requires a distinct, articulated joint (like a hinge pin) or if it can be read more broadly to cover a region of a single component designed to bend or deflect.

V. Key Claim Terms for Construction

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

    • Context and Importance: This term is the functional heart of the "forced reset" concept in the '247 patent. The definition will determine the required nature and degree of action the cam must exert on the trigger. Practitioners may focus on this term because the infringement analysis will depend on whether the accused cam's interaction with the trigger meets this "forcing" standard, as opposed to merely assisting or enabling a reset.
    • Intrinsic Evidence for a Broader Interpretation: The patent abstract states the cam lobe "forces the trigger member towards the set position," language which could be argued to encompass any action that moves the trigger in that direction, even if it does not complete the movement alone '247 Patent, abstract
    • Intrinsic Evidence for a Narrower Interpretation: The detailed description of the forced reset mode states that the cam lobe "forces the trigger member to the set position," and that the user can then fire "without manually releasing the trigger member" '247 Patent, col. 8:39-47 This language may support an interpretation that the "forcing" action must be sufficient to achieve a full reset on its own, overcoming any residual pressure from the user's finger.
  • Term: "upwardly extending deflectable portion that is separately movable relative to the body portion" '784 Patent, Claim 1

    • Context and Importance: This term defines the novel structural solution in the '784 patent for making a forced reset trigger compatible with different firearm platforms. The infringement case for this patent hinges on whether the accused device possesses this specific articulated structure.
    • Intrinsic Evidence for a Broader Interpretation: The use of the word "deflectable" could support a broader reading that includes a single, resilient component designed to bend or flex '784 Patent, abstract
    • Intrinsic Evidence for a Narrower Interpretation: The patent's use of "separately movable" in conjunction with "deflectable portion" suggests two distinct features. The specification reinforces this by describing a "one-way hinge feature" and illustrating an embodiment with a "transverse pivot pin (24)" that physically connects the "foldable extension portion (22)" to the "locking bar body (26)" '784 Patent, col. 3:40-47 This evidence strongly suggests a multi-part, hinged construction is required, not merely a flexible one.

VI. Other Allegations

  • Indirect Infringement: The complaint alleges both induced and contributory infringement for all five patents-in-suit. The inducement allegations are based on Defendants allegedly encouraging and instructing customers on how to install and use the accused "Super Safety" products through promotional materials, including online videos and installation guides Compl. ¶41 Compl. ¶55 Compl. ¶69 Compl. ¶83 Compl. ¶97 The contributory infringement allegations are based on the assertion that key components of the accused products, such as the "cam or cam lever arm," are specially designed for infringing use and have no substantial non-infringing use Compl. ¶42 Compl. ¶56 Compl. ¶70 Compl. ¶84 Compl. ¶98
  • Willful Infringement: Willfulness is alleged for all five patents. The complaint pleads that Defendants "have known or should have known" their actions constituted infringement and that they could not have formed a reasonable, subjective belief that their actions were non-infringing or that the patents were invalid Compl. ¶43 Compl. ¶57 Compl. ¶71 Compl. ¶85 Compl. ¶99 The allegations are based on "information and belief" regarding pre-suit knowledge and knowledge acquired "at least through the service of this complaint" for ongoing conduct.

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

  • A central issue will be one of structural correspondence, particularly concerning the '784 patent: does the accused "Super Safety" locking member incorporate a "separately movable" and "deflectable portion," as claimed, or is it a unitary component whose function may fall outside the claim's scope? The interpretation of "separately movable" will be critical.
  • A key evidentiary question will be one of operational fidelity for the '247, '159, and '403 patents: does the accused product's mechanism replicate the exact sequence of operations claimed for both the "standard semi-automatic mode" and the "forced reset mode," including the precise claimed interactions between the cam, trigger, and disconnector in each mode?
  • As the accused products are sold as kits, a significant legal question will be one of liability for distributed infringement: will Plaintiffs' evidence of instructional materials and the specialized nature of the sold components be sufficient to prove inducement and contributory infringement against the Defendants, who supply the parts for end-user assembly?
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