ABC IP LLC v. Fudd Arms LLC

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: ABC IP, LLC (Delaware) and Rare Breed Triggers, Inc. (Texas)
  • Defendant: Fudd Arms LLC (New Hampshire)
  • Plaintiff's Counsel: Sheehan Phinneg Bass & Green, P.A.
• Case Identification: 1:26-cv-00613, D.N.H., 07/27/2026
• Venue Allegations: Venue is asserted on the basis that the Defendant resides in the District of New Hampshire, has a regular and established place of business in the district, and has committed alleged acts of infringement there.
• Core Dispute: Plaintiffs allege that Defendant's "Super Safety" and "Partisan Disruptor" trigger mechanisms infringe nine U.S. patents related to "forced reset" technology for semi-automatic firearms.
• Technical Context: The technology at issue involves aftermarket firearm trigger mechanisms designed to increase the potential rate of semi-automatic fire by using the energy from the firearm's cycling action to mechanically reset the trigger.
• Key Procedural History: The complaint does not mention any prior litigation between the parties, Inter Partes Review (IPR) proceedings, or licensing history relevant to the asserted patents.

Case Timeline

Date	Event
2017-09-29	U.S. Patent 10,514,223 Priority Date
2019-12-24	U.S. Patent 10,514,223 Issued
2021-11-05	U.S. Patent 12,031,784 Priority Date
2022-01-10	U.S. Patent 11,724,003 Priority Date
2022-01-10	U.S. Patent 12,036,336 Priority Date
2022-01-10	U.S. Patent 12,274,807 Priority Date
2022-01-10	U.S. Patent 12,636,403 Priority Date
2022-09-08	U.S. Patent 12,038,247 Priority Date
2022-09-08	U.S. Patent 12,578,159 Priority Date
2023-08-15	U.S. Patent 11,724,003 Issued
2023-12-04	U.S. Patent 12,529,538 Priority Date
2024-07-09	U.S. Patent 12,031,784 Issued
2024-07-16	U.S. Patent 12,038,247 Issued
2024-07-16	U.S. Patent 12,036,336 Issued
2025-04-15	U.S. Patent 12,274,807 Issued
2026-01-20	U.S. Patent 12,529,538 Issued
2026-03-17	U.S. Patent 12,578,159 Issued
2026-05-26	U.S. Patent 12,636,403 Issued
2026-07-27	Complaint Filing Date

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

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

• Patent Identification: U.S. Patent No. 12,038,247, "Firearm Trigger Mechanism," issued July 16, 2024.

The Invention Explained

• Problem Addressed: The patent background describes a desire among some shooters to increase the rate of semi-automatic fire beyond what is typically achievable with standard trigger mechanisms, which require a user to manually release the trigger to reset the firing mechanism Compl. ¶¶22-23 Prior art solutions like "bump firing" or pull/release triggers are noted as being complex or requiring practice to use reliably '247 Patent, col. 1:40-2:16
• The Patented Solution: The invention is a trigger mechanism that provides selectable modes of operation: a standard semi-automatic mode and a "forced reset" semi-automatic mode Compl. ¶25 In the "forced reset" mode, the rearward movement of the bolt carrier during the firing cycle causes a cam to pivot, which in turn "forces the trigger member to the set position" without the user needing to manually release the trigger '247 Patent, abstract '247 Patent, col. 9:55-63 This allows the user to fire another round immediately upon the bolt carrier's return to its in-battery position '247 Patent, abstract
• Technical Importance: This design provides a "drop-in" trigger module that enables an increased rate of semi-automatic fire through mechanical means directly linked to the firearm's action, which was a sought-after feature in the firearm accessories market '247 Patent, col. 1:35-39

Key Claims at a Glance

• The complaint asserts independent claim 15 '247 Patent, claim 15 Compl. ¶44
• The essential elements of claim 15 include:
  • A firearm trigger mechanism comprising a hammer, a trigger member, a disconnector, and a cam.
  • The mechanism is operable in a "standard semi-automatic mode" and a "forced reset semi-automatic mode."
  • In the standard mode, rearward movement of the bolt carrier causes the disconnector hook to catch the hammer hook, requiring a user to manually release the trigger to reset for the next shot.
  • In the forced reset mode, the cam is in a second position where rearward movement of the bolt carrier causes the disconnector hook to be prevented from catching the hammer hook.
  • In this mode, the user can pull the trigger again to fire the firearm when the bolt carrier is in battery "without manually releasing said trigger member."
• The complaint reserves the right to assert additional claims, including under the doctrine of equivalents Compl. ¶44

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

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

The Invention Explained

• Problem Addressed: The patent background explains that prior forced reset triggers designed for AR-15-pattern firearms are not directly compatible with other platforms, like the AR-10, due to differences in the geometry and spacing of the bolt carrier relative to the trigger mechanism '784 Patent, col. 1:21-44 A locking bar tall enough to be actuated by an AR-10 bolt carrier would interfere with the bolt's forward portion as it cycles rearward '784 Patent, col. 1:39-44
• The Patented Solution: The invention is an extended trigger locking device featuring a locking member with two key parts: a movably supported body portion and an "upwardly extending deflectable portion that is separately movable relative to the body portion" '784 Patent, abstract '784 Patent, col. 3:20-27 This design allows the upper "deflectable portion" to be actuated by the returning bolt carrier to unlock the trigger, but also to fold or deflect out of the way to avoid interference when the bolt carrier cycles to the rear '784 Patent, col. 4:26-38
• Technical Importance: This innovation allows a forced reset trigger mechanism to be adapted for use across multiple firearm platforms with varying internal dimensions, enhancing the technology's modularity and market applicability '784 Patent, col. 2:5-12

Key Claims at a Glance

• The complaint asserts independent claim 1 '784 Patent, claim 1 Compl. ¶58
• 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 "body portion that is movably supported."
  • The locking member also includes 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 additional claims, including under the doctrine of equivalents Compl. ¶58

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

• Patent Identification: U.S. Patent No. 12,529,538, "Safety Mechanism for Firearm," issued January 20, 2026.
• Technology Synopsis: This patent describes a safety mechanism employing a cam selector, a lever, and a trigger '538 Patent, abstract The cam selector provides three modes of operation by using different recesses to interact with the trigger tail: a first mode for standard operation, a second "active reset" mode, and a third "safe" mode that prevents the trigger from being pulled Compl. ¶27
• Asserted Claims: The complaint asserts independent claim 1 Compl. ¶72
• Accused Features: The "Super Safety" product is alleged to infringe the '538 Patent Compl. ¶72

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

• Patent Identification: U.S. Patent No. 12,578,159, "Firearm Trigger Mechanism," issued March 17, 2026.
• Technology Synopsis: This patent describes a firearm trigger mechanism operable in both a "standard semi-automatic mode" and a "forced reset semi-automatic mode" '159 Patent, abstract The mechanism uses a cam with a cam lobe that, in the forced reset mode, forces the trigger member toward its set position as the firearm cycles Compl. ¶25 '159 Patent, col. 9:1-10:20
• Asserted Claims: The complaint asserts independent claim 1 Compl. ¶86
• Accused Features: The "Super Safety" product is alleged to infringe the '159 Patent Compl. ¶86

U.S. Patent No. 10,514,223 - "Firearm Trigger Mechanism"

• Patent Identification: U.S. Patent No. 10,514,223, "Firearm Trigger Mechanism," issued December 24, 2019.
• Technology Synopsis: This patent describes a trigger mechanism where the cycling of the action causes the hammer to make contact with the trigger member, mechanically forcing it to the set position '223 Patent, abstract A pivotally mounted locking bar is included to block the trigger from being pulled again until the bolt carrier has returned to a substantially in-battery position Compl. ¶28 '223 Patent, col. 6:3-12
• Asserted Claims: The complaint asserts independent claim 4 Compl. ¶100
• Accused Features: The "Partisan Disruptor" product is alleged to infringe the '223 Patent Compl. ¶100

U.S. Patent No. 11,724,003 - "Firearm Trigger Mechanism"

• Patent Identification: U.S. Patent No. 11,724,003, "Firearm Trigger Mechanism," issued August 15, 2023.
• Technology Synopsis: This patent describes a trigger mechanism with a three-position safety selector for "safe, standard semi-automatic, and forced reset semi-automatic positions" '003 Patent, abstract The invention details the sequence of operations in both standard mode (requiring manual trigger release) and forced reset mode (where the trigger is reset by the cycling action without manual release) Compl. ¶29 '003 Patent, abstract
• Asserted Claims: The complaint asserts independent claim 4 Compl. ¶114
• Accused Features: The "Partisan Disruptor" product is alleged to infringe the '003 Patent Compl. ¶114

U.S. Patent No. 12,036,336 - "Firearm Trigger Mechanism"

• Patent Identification: U.S. Patent No. 12,036,336, "Firearm Trigger Mechanism," issued July 16, 2024.
• Technology Synopsis: This patent describes a trigger mechanism with selectable standard and forced reset semi-automatic modes Compl. ¶29 The claims focus on the configuration of the safety selector which, in the forced reset position, repositions the disconnector to prevent it from catching the hammer hook, enabling the forced reset function '336 Patent, abstract
• Asserted Claims: The complaint asserts independent claim 3 Compl. ¶128
• Accused Features: The "Partisan Disruptor" product is alleged to infringe the '336 Patent Compl. ¶128

U.S. Patent No. 12,274,807 - "Firearm Trigger Mechanism"

• Patent Identification: U.S. Patent No. 12,274,807, "Firearm Trigger Mechanism," issued April 15, 2025.
• Technology Synopsis: This patent discloses a trigger mechanism with selectable modes, including a standard mode where the disconnector catches the hammer and a forced reset mode where the safety selector prevents the disconnector from catching the hammer '807 Patent, abstract The invention details the interaction between the hammer, trigger, locking member, and safety selector in both modes Compl. ¶29
• Asserted Claims: The complaint asserts independent claim 1 Compl. ¶142
• Accused Features: The "Partisan Disruptor" product is alleged to infringe the '807 Patent Compl. ¶142

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

• Patent Identification: U.S. Patent No. 12,636,403, "Firearm Trigger Mechanism," issued May 26, 2026.
• Technology Synopsis: This patent describes a forced reset trigger mechanism with a safety selector for switching between a standard semi-automatic position and a forced reset position '403 Patent, abstract The claims detail the interaction of the hammer, disconnector, trigger member, and safety selector in both operational modes Compl. ¶29
• Asserted Claims: The complaint asserts independent claim 38 Compl. ¶156
• Accused Features: Both the "Super Safety" and "Partisan Disruptor" products are alleged to infringe the '403 Patent Compl. ¶¶156-159

III. The Accused Instrumentality

Product Identification

• The accused instrumentalities are Defendant's "Super Safety" and "Partisan Disruptor" trigger mechanisms Compl. ¶31

Functionality and Market Context

• The accused products are sold as standalone components, in kits, or pre-installed in firearm receivers or complete firearms Compl. ¶33 Compl. ¶37
• The "Super Safety" is described as a 3-position safety selector that allows the firearm to operate in a standard "disconnector mode," a "forced reset" semi-automatic mode, and a safe mode Compl. ¶35 The complaint provides a product image from Defendant's website for the S7C Super Safety Kit Compl. ¶34, p. 8
• The "Partisan Disruptor" is also described as a 3-position device that allows a user to switch between a standard semi-automatic mode with a disconnector and a "forced reset" mode Compl. ¶39 In its forced reset mode, the cycling of the firearm's action is alleged to mechanically reset the trigger, with a locking bar preventing a subsequent trigger pull until the bolt is in battery Compl. ¶40 A product image shows the Disruptor as a trigger assembly Compl. ¶38, p. 9
• Plaintiffs allege these products are marketed via Defendant's website and YouTube channel, with promotional materials instructing customers on installation and use Compl. ¶47 Compl. ¶61

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 ... a disconnector ... and a cam ...	The Super Safety is alleged to be part of a trigger mechanism that functions as a cam to cause trigger reset and lock the trigger during operation. The complaint shows a rendering of the Super Safety components installed in a receiver with a hammer, trigger, and disconnector (Compl. ¶46, p. 12).	¶46	col. 9:1-10:20
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 a first and second position. In the second ("forced reset") position, the cam lobe allegedly moves the trigger member toward its set position. The complaint includes diagrams illustrating the cam and lobe in both positions (Compl. ¶46, p. 16).	¶46	col. 10:3-6
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,	In standard mode, the cam is in the first position. The complaint alleges rearward movement of the bolt carrier pivots the hammer, causing the disconnector hook to catch the hammer hook. A rendering shows the disconnector hook engaged with the hammer hook (Compl. ¶46, p. 17).	¶46	col. 10:7-11
at which time a user must manually release said trigger member to free said hammer from said disconnector to permit said hammer and trigger member to pivot to said set positions so that the user can pull said trigger member to fire the firearm, and	It is alleged that the user must manually release the trigger to free the hammer from the disconnector before the next shot can be fired in standard mode (Compl. ¶46, p. 18).	¶46	col. 10:12-18
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,	In forced reset mode, the cam is in the second position. The complaint alleges that rearward hammer pivoting occurs, but the disconnector hook is prevented from catching the hammer hook. A diagram illustrates this state (Compl. ¶46, p. 19).	¶46	col. 10:21-27
and thereafter the bolt carrier moves forward into battery, at which time the user can pull said trigger member to fire the firearm.	After the bolt carrier moves forward into battery, the user can allegedly pull the trigger to fire without first having to manually release it (Compl. ¶46, p. 20).	¶46	col. 10:17-20

'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 of the trigger member,	The Super Safety is alleged to function as an extended trigger member locking device. It is alleged to have a locked first position and an unlocked second position. Plaintiff-generated renderings depict these two states (Compl. ¶60, p. 26).	¶60	col. 3:9-15
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 lower receiver (frame) and has an upward extending lever arm that makes contact with the bolt carrier surface (Compl. ¶60, p. 27).	¶60	col. 3:16-19
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 Super Safety allegedly has a body portion supported by the receiver and an upwardly extending, "deflectable" lever arm. The complaint alleges a dovetail connection allows this lever arm to move separately from the body portion. An overlay diagram illustrates the alleged separate travel of the lever arm (Compl. ¶60, p. 29).	¶60	col. 3:20-27

• Identified Points of Contention:
  • '247 Patent: The dispute may center on the precise mechanical interactions and sequences. A potential point of contention is whether the accused "Super Safety" cam mechanism operates in the exact two-mode manner as claimed, specifically regarding how the cam "forces" the trigger to reset and how the disconnector is "prevented" from engaging in the forced reset mode.
  • '784 Patent: The infringement analysis for the '784 Patent will likely focus heavily on the "separately movable" and "deflectable portion" limitations. A key question for the court will be whether the alleged "dovetail connection" of the accused Super Safety (Compl. ¶60, p. 28) causes its lever arm to be "separately movable relative to the body portion" as required by the claim, or if the two parts function as a more unitary, albeit flexible, component that falls outside the claim's scope.

V. Key Claim Terms for Construction

• Term: separately movable relative to the body portion (from claim 1 of the '784 Patent)

• Context and Importance: This term is the core of the asserted invention in the '784 Patent, which was designed to adapt a forced reset mechanism for different firearm platforms. Whether the accused device's locking member has a portion that is "separately movable" from its body will be a dispositive issue for infringement. Practitioners may focus on this term because it distinguishes the invention from a simple, unitary flexible arm.

• Intrinsic Evidence for Interpretation:

  • Evidence for a Broader Interpretation: The specification describes the function as allowing the extension to "give way (i.e., deflect or fold)" when contacted by the forward part of the bolt carrier, which could support an interpretation that includes significant flexing as a form of separate movement '784 Patent, col. 2:6-9
  • Evidence for a Narrower Interpretation: The patent abstract and detailed description explicitly distinguish between the "body portion that is movably supported" and the "upwardly extending deflectable portion that is separately movable," suggesting two distinct components with relative motion. The embodiments show a distinct pivot pin or hinge '784 Patent, Fig. 2 '784 Patent, col. 3:40-45, which may support an argument that "separately movable" requires a discrete, non-unitary mechanical joint, not merely the flexing of a single piece.

• Term: forced reset semi-automatic mode (from claim 15 of the '247 Patent)

• Context and Importance: The definition of this term is central to the identity of the invention and its distinction from standard semi-automatic operation. The analysis will depend on whether the accused device's operation fits the specific sequence of events defined by the claim for this mode.

• Intrinsic Evidence for Interpretation:

  • Evidence for a Broader Interpretation: The patent describes the mode's purpose as allowing the user to "pull the trigger member to fire the firearm without manually releasing the trigger member" '247 Patent, abstract This functional outcome could support a broader construction covering any mechanism that achieves it.
  • Evidence for a Narrower Interpretation: The claim itself provides a detailed, step-by-step definition: the cam is in a second position, and rearward bolt movement causes pivoting of the hammer "such that said disconnector hook is prevented from catching said hammer hook" '247 Patent, claim 15 This explicit sequence could be used to argue for a narrow definition requiring this exact mechanical cause and effect, as opposed to other ways of achieving a "forced reset."

VI. Other Allegations

• Indirect Infringement: The complaint alleges both induced and contributory infringement for all asserted patents. The inducement allegations are based on Defendant's alleged promotional materials, including its website and YouTube channel, which purportedly instruct customers on how to install and use the accused products Compl. ¶47 Compl. ¶61 Compl. ¶75 The contributory infringement allegations assert that the components of the accused devices, such as the cam or trigger assembly, are specially designed for infringing use and are not suitable for substantial non-infringing uses Compl. ¶49 Compl. ¶63 Compl. ¶77
• Willful Infringement: Willfulness is alleged for all asserted patents. The complaint claims that Defendant "has known or should have known" its actions constituted infringement and that it "could not reasonably or subjectively believe" that its actions were non-infringing or that the patents were invalid, at least as of the date of service of the complaint Compl. ¶50 Compl. ¶64 Compl. ¶78

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

• Definitional Scope: A primary issue will be one of claim construction, particularly for the '784 patent. Can the term separately movable relative to the body portion, which the patent illustrates with a distinct pivot, be construed to read on the accused "Super Safety's" allegedly dovetailed connection? The case may turn on whether this claim language requires two discrete, hinged components or if it can encompass a semi-rigid, flexing design.
• Operational Equivalence: A central evidentiary question will be whether the accused "Super Safety" and "Disruptor" products operate in a manner that maps to the specific mechanical steps recited in the asserted claims. For instance, in the "forced reset" mode of the '247 patent, does the accused device's cam cause the disconnector to be "prevented" from catching the hammer in the precise way claimed, or is there a functional or sequential mismatch?
• Intent for Indirect Infringement: As the accused products are primarily sold as kits for end-user installation, the claims for indirect infringement will be a major focus. The court will likely need to evaluate Defendant's marketing materials, installation videos, and product guides to determine if they provide sufficient evidence of a specific intent to encourage or instruct customers to assemble and use the products in an infringing manner.