ABC IP LLC v. Shooting Targets USA LLC

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: ABC IP, LLC (Delaware); Rare Breed Triggers, Inc. (Texas); RBTM LLC (Wyoming)
  • Defendant: Shooting Targets USA, LLC, d/b/a Outpost Gear (North Carolina); Michael Joseph Speeney III (North Carolina)
  • Plaintiff's Counsel: Fish & Richardson, P.C.
• Case Identification: 1:26-cv-00527, M.D.N.C., 06/05/2026
• Venue Allegations: Venue is alleged to be proper as Defendants reside in the Middle District of North Carolina and/or have committed acts of infringement and maintain a regular and established place of business in the district.
• Core Dispute: Plaintiffs allege that Defendants' "Disruptor" forced reset trigger for AR-pattern firearms infringes five U.S. patents related to firearm trigger mechanisms.
• Technical Context: The technology involves "forced reset" trigger mechanisms, which use the energy from a firearm's cycling action to mechanically reset the trigger, enabling a faster rate of semi-automatic fire than is possible with standard trigger designs.
• Key Procedural History: The complaint alleges that the manufacturer of the accused product, Partisan Triggers, maintains an online "FRT Legal Library" that includes links to several of the asserted patents, which Plaintiffs may use to argue that Defendants had pre-suit knowledge of the patents, forming a basis for the willful infringement claim.

Case Timeline

Date	Event
2017-09-29	'223 Patent Priority Date
2019-12-24	'223 Patent Issue Date
2020-01-01	Approximate date Plaintiffs began using "FRT" mark
2022-01-10	'003, '336, '807, and '403 Patents Priority Date
2022-01-31	"FRT-15" Trademark Application Date
2022-02-01	"FRT," "FRT-22," "FRT-47" Trademark Application Dates
2023-03-21	"FRT-15" Trademark Registration Date
2023-08-15	'003 Patent Issue Date
2024-07-16	'336 Patent Issue Date
2024-08-24	"FRT-15L3" Trademark Application Date
2025-04-15	'807 Patent Issue Date
2026-02-08	Alleged offer for sale of Accused Product
2026-03-20	"FRT-MR3," "FRT-RD3" Trademark Application Dates
2026-03-24	"FRT" Trademark Registration Date
2026-04-21	"FRT-15L3" Trademark Registration Date
2026-04-28	"FRT-22," "FRT-47" Trademark Registration Dates
2026-05-26	'403 Patent Issue Date
2026-06-05	Complaint Filing Date

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

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. Compl. ¶12

The Invention Explained

• Problem Addressed: The patent's background section describes the limitations of standard semi-automatic triggers, where the rate of fire is constrained by the user's ability to manually release and reset the trigger after each shot. It also notes that prior solutions to increase fire rate, such as "bump firing" accessories, can be complex, unreliable, or expensive. '223 Patent, col. 1:16-2:15
• The Patented Solution: The invention is a trigger mechanism where the cycling of the firearm's action forces the trigger to reset. As the bolt carrier moves rearward and pushes the hammer back into its cocked position, a surface on the hammer makes contact with the trigger member, mechanically forcing it back to its set position. A separate "locking bar" then blocks the trigger, preventing it from being pulled again until the bolt carrier has returned to a safe, in-battery position. '223 Patent, abstract '223 Patent, col. 5:26-46
• Technical Importance: The design provides a mechanical "forced reset" capability that can increase a semi-automatic firearm's rate of fire and can be constructed as a "drop-in" module for retrofitting into popular firearm platforms. '223 Patent, col. 2:31-38

Key Claims at a Glance

• The complaint asserts claim 4, while noting this is not a limited list of infringed claims. Compl. ¶47
• Independent claim 4 recites a trigger mechanism for a firearm, comprising:
  • A housing with openings for hammer and trigger assembly pins;
  • A hammer with a sear notch, mounted to pivot;
  • A trigger member with a sear, mounted to pivot, and having a surface positioned to be contacted by the hammer when cycled;
  • The contact causes the trigger member to be "forced to the set position";
  • A locking bar, pivotally mounted and spring-biased to a first position where it "mechanically blocks the trigger member"; and
  • The locking bar is movable to a second, non-blocking position when contacted by the bolt carrier upon reaching a "substantially in-battery position," allowing the trigger to be moved. '223 Patent, cl. 4

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. Compl. ¶13

The Invention Explained

• Problem Addressed: The patent acknowledges prior art forced reset triggers and states that "Further improvement in forced reset triggers is desired," suggesting the invention is an enhancement of existing designs. '003 Patent, col. 2:21-22
• The Patented Solution: This patent builds upon the forced reset concept by adding a three-position safety selector. This allows the user to choose between: (1) a safe position, (2) a "standard semi-automatic" mode that uses a disconnector to catch the hammer, and (3) a "forced reset semi-automatic" mode. In the forced reset mode, the safety selector is configured to prevent the disconnector from engaging the hammer, allowing the forced reset functionality to operate. '003 Patent, abstract '003 Patent, col. 2:35-40
• Technical Importance: The invention provides user-selectable functionality, combining a conventional semi-automatic operation with a rapid-fire forced reset capability within a single, integrated "drop-in" trigger module. '003 Patent, col. 2:25-34

Key Claims at a Glance

• The complaint asserts claim 4, while noting this is not a limited list. Compl. ¶61
• Independent claim 4 recites a firearm trigger mechanism, comprising:
  • A housing, hammer, trigger member, disconnector, and locking member, which interact to create a forced reset;
  • A safety selector adapted to pivot between "safe, standard semi-automatic, and forced reset semi-automatic positions";
  • In the standard mode, the disconnector hook catches the hammer hook, requiring the user to manually release the trigger to reset; and
  • In the forced reset mode, the bolt carrier's movement forces the trigger to its set position, the safety selector prevents the disconnector from catching the hammer, and the user can fire again without manually releasing the trigger. '003 Patent, cl. 4

Multi-Patent Capsules

• Patent Identification: U.S. Patent No. 12,036,336, "Firearm Trigger Mechanism," issued July 16, 2024. Compl. ¶14

• Technology Synopsis: The patent describes a trigger mechanism with a three-position safety selector, enabling operation in either a standard semi-automatic mode using a disconnector or a forced reset semi-automatic mode. The invention focuses on the interaction between the hammer, trigger member, disconnector, locking member, and safety selector to achieve these distinct, user-selectable functions. Compl. ¶26 '336 Patent, abstract

• Asserted Claims: The complaint asserts independent claim 3. Compl. ¶75

• Accused Features: The Disruptor's trigger assembly, particularly its three-position selector that allows switching between standard and forced reset modes, is accused of infringing. Compl. ¶31 Compl. ¶32

• Patent Identification: U.S. Patent No. 12,274,807, "Firearm Trigger Mechanism," issued April 15, 2025. Compl. ¶15

• Technology Synopsis: The patent covers a trigger mechanism providing safe, standard semi-automatic, and forced reset semi-automatic modes via a three-position safety selector. The claims detail the cooperative action of a hammer, trigger member, disconnector, and locking member, where the selector's position dictates whether the disconnector engages the hammer (standard mode) or is prevented from doing so to enable the forced reset function (forced reset mode). Compl. ¶26 '807 Patent, abstract

• Asserted Claims: The complaint asserts independent claim 1. Compl. ¶89

• Accused Features: The Disruptor's complete trigger system, including its selector-actuated dual-mode functionality, is alleged to practice the claimed invention. Compl. ¶31 Compl. ¶32

• Patent Identification: U.S. Patent No. 12,636,403, "Firearm Trigger Mechanism," issued May 26, 2026. Compl. ¶16

• Technology Synopsis: Similar to the other patents in the family, this patent describes a trigger mechanism with selectable standard and forced reset semi-automatic modes. The invention is defined by the interaction of key components, including a hammer, disconnector, trigger member, and a safety selector that enables the different operational modes. Compl. ¶26 '403 Patent, abstract

• Asserted Claims: The complaint asserts independent claim 38. Compl. ¶103

• Accused Features: The Disruptor's trigger mechanism, which allows a user to select between a standard semi-automatic mode and a forced reset mode, is accused of infringing. Compl. ¶31 Compl. ¶32

III. The Accused Instrumentality

Product Identification

The accused product is the "Partisan Triggers Disruptor" ("the Disruptor"), which is described as a forced reset trigger assembly. Compl. ¶28

Functionality and Market Context

The Disruptor is a drop-in trigger mechanism for AR-pattern firearms that offers three modes of operation, selected via a safety selector: safe, standard semi-automatic, and forced reset semi-automatic. Compl. ¶31 In the forced reset mode, the cycling of the firearm's action causes the hammer to make contact with the trigger, forcing it to reset without the user needing to release it. Compl. ¶32 A locking member is included to prevent the trigger from being pulled until the bolt carrier is in a safe, in-battery position. Compl. ¶32 The complaint alleges Defendants sell the Disruptor as a standalone product and pre-installed in firearms, marketing it on the Outpost Gear website and through promotional emails. Compl. ¶29 The complaint provides a screenshot of the product page for the "Partisan Triggers Disruptor AR-15 FRT 3 Position Black Drop-In Forced Reset Trigger," which visually depicts the accused trigger assembly. Compl. p. 8

IV. Analysis of Infringement Allegations

10,514,223 Patent Infringement Allegations

Claim Element (from Independent Claim 4)	Alleged Infringing Functionality	Complaint Citation	Patent Citation
For a firearm having a receiver with a fire control mechanism pocket, assembly pin openings in side walls of the pocket, and a bolt carrier that reciprocates and pivotally displaces a hammer when cycled, a trigger mechanism, comprising: a housing having transversely aligned pairs of openings for receiving hammer and trigger assembly pins;	The Disruptor is for an AR-pattern firearm. It includes a housing with transversely aligned pairs of openings for receiving hammer and trigger assembly pins.	¶49	col. 3:36-47
a hammer having a sear notch and mounted in the housing to pivot on a transverse axis between set and released positions;	The Disruptor includes a hammer with a sear notch that is mounted in the housing and pivots on a transverse axis.	¶49	col. 4:20-29
a trigger member having a sear and mounted in the housing to pivot on a transverse axis between set and released positions, the trigger member having a surface positioned to be contacted by the hammer when the hammer is displaced by the bolt carrier when cycled,	The Disruptor has a trigger member with a sear that pivots in the housing. The trigger member has a surface that is positioned to be contacted by a surface of the hammer.	¶49	col. 3:51-62
the contact causing the trigger member to be forced to the set position;	Rearward pivoting of the hammer causes the trigger to be forced to the set position. A plaintiff-generated diagram illustrates this interaction between the "Hammer Surface" and "Trigger Surface." Compl. p. 18	¶49	col. 5:32-38
a locking bar pivotally mounted in the housing and spring biased toward a first position in which the locking bar mechanically blocks the trigger member from moving to the released position,	The Disruptor includes a pivotally mounted locking bar. The complaint provides a diagram labeling this component as the "Locking Bar." Compl. p. 19 The locking bar is spring biased to a first position where it mechanically blocks the trigger member.	¶49	col. 5:38-46
and movable against the spring bias to a second position when contacted by the bolt carrier reaching a substantially in-battery position in which the trigger member can be moved by an external force to the released position.	The locking bar is movable against its spring bias to a second position when contacted by the bolt carrier as it reaches an in-battery position, at which point an external force (a trigger pull) can move the trigger member.	¶49	col. 5:55-63

• Identified Points of Contention:
  • Scope Questions: A potential issue is whether the claims of the '223 Patent, which describe a trigger mechanism that appears to function only in a forced-reset mode without a disconnector, can read on the accused Disruptor, which is a multi-mode device that includes a disconnector for its standard semi-automatic mode. The analysis may focus on whether the Disruptor, when set to its forced-reset mode, meets all claim limitations, irrespective of its other capabilities.
  • Technical Questions: The infringement case relies heavily on plaintiff-generated diagrams illustrating the internal mechanics of the accused product. Compl. pp. 15-20 A key evidentiary question will be whether these diagrams accurately depict the real-world operation and interaction of the components within the actual Disruptor product, particularly the precise nature of the contact that "forces" the trigger to reset.

11,724,003 Patent Infringement Allegations

Claim Element (from Independent Claim 4)	Alleged Infringing Functionality	Complaint Citation	Patent Citation
A firearm trigger mechanism comprising: a housing having a first pair of transversely aligned openings for receiving a hammer pin and a second pair of transversely aligned openings for receiving a trigger member pin,	The Disruptor is a firearm trigger mechanism that includes a housing with two pairs of transversely aligned openings for the hammer and trigger pins.	¶63	col. 7:11-21
a hammer having a sear catch and a hook for engaging a disconnector and mounted in said housing to pivot on said hammer pin between set and released positions...	The Disruptor includes a hammer with a sear catch and a hook for engaging the disconnector, and it is mounted in the housing to pivot.	¶63	col. 8:1-4
a trigger member having a sear and mounted in said housing to pivot on said trigger member pin between set and released positions, said trigger member having a surface positioned to be contacted by a surface of said hammer during rearward pivoting of said hammer to cause said trigger member to be forced to said set position...	The Disruptor includes a trigger member with a sear. It has a surface that is contacted by the hammer during rearward pivoting, which forces the trigger member to the set position.	¶63	col. 8:5-15
a disconnector having a hook for engaging said hammer and mounted in said housing to pivot on said trigger member pin,	The Disruptor has a disconnector with a hook for engaging the hammer, and it is mounted in the housing to pivot on the trigger member pin.	¶63	col. 8:26-30
a locking member mounted in said housing to pivot on a transverse locking member pin...being pivotable between a first position at which said locking member mechanically blocks said trigger member...and a second position at which said locking member does not mechanically block said trigger member...	The Disruptor includes a locking member that pivots between a first, blocking position and a second, non-blocking position. The complaint includes a diagram illustrating the mechanically blocked first position. Compl. p. 30	¶63	col. 8:31-48
a safety selector adapted to be mounted in a fire control mechanism pocket of a receiver to pivot between safe, standard semi-automatic, and forced reset semi-automatic positions,	The Disruptor includes a safety selector that pivots between safe, standard semi-automatic, and forced reset semi-automatic positions.	¶63	col. 9:11-21
whereupon in said standard semi-automatic position...said disconnector hook catches said hammer hook, at which time a user must manually release said trigger member...	In the standard semi-automatic position, the Disruptor's disconnector hook catches the hammer hook, requiring the user to release the trigger to fire again.	¶63	col. 9:35-51
whereupon in said forced reset semi-automatic position...said safety selector preventing said disconnector hook from catching said hammer hook, and thereafter when the bolt carrier reaches the substantially in-battery position the user can pull said trigger member to fire the firearm without manually releasing said trigger member.	In the forced reset mode, the safety selector prevents the disconnector from catching the hammer hook. When the bolt carrier is in battery, the user can pull the trigger without first manually releasing it. A diagram shows the trigger moving to the reset position. Compl. p. 33	¶63	col. 9:62-10:10

• Identified Points of Contention:
  • Scope Questions: As the claims of the '003 patent explicitly recite a three-position selector and the functions of both the standard and forced-reset modes, the infringement analysis appears more directly aligned with the accused product's features. The dispute may therefore center on more subtle interpretations, such as the meaning of the selector "preventing" the disconnector from engaging.
  • Technical Questions: A factual question will be how the safety selector "prevents" the disconnector hook from catching the hammer hook. Does the selector physically block the disconnector, or does it reposition another component that in turn affects the disconnector's movement? The evidence must demonstrate that the accused device operates in the specific manner required by the claim language.

V. Key Claim Terms for Construction

• The Term: "forced to the set position" (asserted in claims of '223 and '003 patents)

  • Context and Importance: This term is the technological core of the "forced reset" invention. The definition will determine what kind of mechanical action constitutes "forcing" the trigger to reset. A narrow definition might exclude the accused product, while a broad one could cover a wider range of reset mechanisms.
  • Intrinsic Evidence for Interpretation:
    • Evidence for a Broader Interpretation: The specification of the '223 Patent describes the action as "contact causing the trigger member to be forced to the set position" '223 Patent, col. 5:35-38, which could be interpreted to encompass any mechanical interaction that results in the trigger resetting.
    • Evidence for a Narrower Interpretation: The patent figures illustrate a specific embodiment where the tail of the hammer directly pushes a contact surface on the trigger member. '223 Patent, Fig. 5 A defendant may argue this limits the term to a direct, positive pushing action, rather than any incidental contact that leads to a reset.

• The Term: "substantially in-battery position" (asserted in claims of '223 and '003 patents)

  • Context and Importance: This term defines the safety-critical timing for when the trigger can be pulled after a reset. Its construction is crucial for determining whether the accused device's safety interlock infringes, as it dictates the point in the firearm's cycle at which the locking bar disengages.
  • Intrinsic Evidence for Interpretation:
    • Evidence for a Broader Interpretation: The word "substantially" is often given a broad meaning by courts, signifying "largely" or "for the most part," which could allow for some tolerance before the bolt is 100% locked.
    • Evidence for a Narrower Interpretation: The specification of the '223 Patent states the purpose of the locking bar is to prevent firing "before the bolt is completely locked and in-battery." '223 Patent, col. 5:66-6:1 This language may support an argument that "substantially" should be construed to mean at or very near the point of complete lock-up.

VI. Other Allegations

• Indirect Infringement: The complaint alleges both induced and contributory infringement. Inducement is based on Defendants allegedly encouraging and instructing customers on how to use the Disruptor. Compl. ¶50 Compl. ¶64 Contributory infringement is based on the allegation that the Disruptor trigger assembly is a material part of the invention, is specially designed for infringing use, and is not suitable for substantial noninfringing use. Compl. ¶52 Compl. ¶66
• Willful Infringement: Willfulness is alleged based on Defendants' purported knowledge of Plaintiffs' patent rights. Compl. ¶53 Compl. ¶67 The complaint specifically alleges that the manufacturer of the Disruptor, Partisan Triggers, maintains a webpage titled "FRT Legal Library" that links to copies of the '223, '003, and '336 patents, and that this provides notice to resellers like the Defendants. Compl. ¶35

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

• A core issue will be one of "infringement by mode": can the claims of the earlier '223 Patent, which describe a single-mode forced reset trigger, be infringed by the accused Disruptor, a multi-mode device, when it is operating in its forced reset mode? This will test the principle of whether a device that does more than what is claimed can still infringe.
• The case will also turn on a question of "claim scope and technical fact": how will the court construe key terms like "forced to the set position" and "substantially in-battery position", and does the evidence show that the accused Disruptor's mechanical operation falls within those constructions?
• A key question for damages will be one of "willfulness": does the allegation that the manufacturer of the accused product hosted a "Legal Library" with links to the patents-in-suit suffice to establish that the Defendants, as resellers, had the requisite knowledge for a finding of willful infringement and potential for enhanced damages?