ABC IP LLC v. Canuck Tactical LLC

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: ABC IP, LLC (Delaware); Rare Breed Triggers, Inc. (Texas); and RBTM LLC (Wyoming)
  • Defendant: Canuck Tactical LLC, d/b/a RangeSport America LLC (Louisiana)
  • Plaintiff's Counsel: Ayres, Shelton, Williams, Benson & Paine LLC
• Case Identification: 2:26-cv-00576, E.D. La., 05/27/2026
• Venue Allegations: Plaintiffs allege venue is proper because the Defendant resides in the district and has a regular and established place of business in the district.
• Core Dispute: Plaintiffs allege that Defendant's "Disruptor" trigger assembly infringes five patents related to "forced reset" firearm trigger mechanisms.
• Technical Context: The technology concerns trigger mechanisms for semi-automatic firearms that use the force of the reciprocating bolt carrier to mechanically reset the trigger, which can enable a faster rate of fire compared to standard trigger designs.
• Key Procedural History: This First Amended Complaint asserts five patents against the Defendant. The patents form a family, with the earlier patent covering a single-mode "forced reset" design and the four later-issued patents covering a dual-mode design that allows a user to select between a standard semi-automatic mode and a "forced reset" mode.

Case Timeline

Date	Event
2017-09-29	U.S. Patent No. 10,514,223 Priority Date
2019-12-24	U.S. Patent No. 10,514,223 Issue Date
2022-01-10	U.S. Patent Nos. 11,724,003, 12,036,336, 12,274,807, and 12,636,403 Priority Date
2023-08-15	U.S. Patent No. 11,724,003 Issue Date
2024-07-16	U.S. Patent No. 12,036,336 Issue Date
2025-04-15	U.S. Patent No. 12,274,807 Issue Date
2026-05-26	U.S. Patent No. 12,636,403 Issue Date
2026-05-27	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 (the '223 Patent). Compl. ¶10

The Invention Explained

• Problem Addressed: The patent's background section describes the limitations of a standard semi-automatic trigger, which fires only a single time when the trigger is pulled and held, requiring the user to manually release the trigger to reset the mechanism. It notes that while methods like "bump firing" exist to increase the rate of fire, they can be unreliable or require significant practice. '223 Patent, col. 1:16-54
• The Patented Solution: The patent proposes a "forced reset" trigger mechanism where the rearward movement of the firearm's bolt carrier resets the hammer, and the hammer's movement in turn makes contact with the trigger member, mechanically forcing the trigger back to its set position. A "locking bar" is included to prevent the trigger from being pulled again until the bolt carrier has safely returned to its in-battery position, which prevents "hammer follow." '223 Patent, abstract '223 Patent, col. 2:35-51
• Technical Importance: This design provides a "drop-in" trigger module that can increase the rate of semi-automatic fire for popular firearm platforms like the AR-15 without requiring complex modifications. '223 Patent, col. 2:35-41

Key Claims at a Glance

• The complaint asserts independent Claim 4. Compl. ¶39
• Claim 4 includes the following essential elements:
  • A housing with openings for hammer and trigger pins.
  • A hammer mounted in the housing to pivot, having a sear notch.
  • A trigger member mounted in the housing to pivot, having a sear and a surface positioned to be contacted by the hammer when the hammer is displaced by the bolt carrier, with this contact "causing the trigger member to be forced to the set position."
  • A locking bar, pivotally mounted and spring-biased toward a first position where it mechanically blocks the trigger member, and movable to a second position when contacted by the bolt carrier reaching an in-battery position, allowing the trigger to be moved.
• The complaint reserves the right to assert other claims. Compl. ¶39

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 (the '003 Patent). Compl. ¶11

The Invention Explained

• Problem Addressed: The patent seeks to provide further improvement in forced reset triggers, building on prior designs by offering a more versatile, user-selectable system. '003 Patent, col. 1:22-23 '003 Patent, col. 2:21-22
• The Patented Solution: This invention adds a three-position safety selector to the forced reset mechanism. This selector allows the user to choose between: (1) a safe position, (2) a standard semi-automatic mode where a disconnector operates conventionally, and (3) a "forced reset" semi-automatic mode. In the forced reset mode, the selector prevents the disconnector from engaging the hammer, allowing the hammer's motion to reset the trigger as described in the '223 Patent. '003 Patent, abstract
• Technical Importance: The invention offers the user the choice between the precision of a standard semi-automatic trigger pull and the rapid-fire capability of a forced reset trigger within a single, integrated "drop-in" assembly. '003 Patent, col. 2:33-40

Key Claims at a Glance

• The complaint asserts independent Claim 4. Compl. ¶53
• Claim 4 includes the following essential elements:
  • A housing, hammer, trigger member, disconnector, and locking member, similar to the components in the '223 patent.
  • A safety selector adapted to pivot between "safe, standard semi-automatic, and forced reset semi-automatic positions."
  • A "whereupon" clause describing operation in the standard mode, where the disconnector catches the hammer and the user must manually release the trigger to fire again.
  • A second "whereupon" clause describing operation in the forced reset mode, where the hammer's movement forces the trigger to reset and the safety selector prevents the disconnector from catching the hammer.
• The complaint reserves the right to assert other claims. Compl. ¶53

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 (the '336 Patent). Compl. ¶12
• Technology Synopsis: The '336 Patent, a continuation of the application that led to the '003 Patent, describes a similar "drop-in" trigger mechanism. It features a three-position safety selector that allows the user to switch between a standard semi-automatic mode using a disconnector and a "forced reset" mode where the hammer's movement mechanically resets the trigger. '336 Patent, abstract '336 Patent, col. 2:23-40
• Asserted Claims: The complaint asserts independent Claim 3. Compl. ¶67
• Accused Features: The complaint alleges the Disruptor's three-position selector and its functionality in both standard and forced reset modes infringe the '336 Patent. Compl. ¶69, pp. 35-47

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 (the '807 Patent). Compl. ¶13
• Technology Synopsis: The '807 Patent, a further continuation in the same family, also discloses a trigger mechanism with a three-position safety selector for selecting between standard and forced reset semi-automatic modes. The invention combines the functions of a conventional disconnector-based trigger and a forced-reset trigger into a single assembly. '807 Patent, abstract '807 Patent, col. 2:25-45
• Asserted Claims: The complaint asserts independent Claim 1. Compl. ¶81
• Accused Features: The Disruptor's entire assembly, including its hammer, trigger member, disconnector, locking member, and three-position safety selector, is accused of infringing the '807 Patent. Compl. ¶83, pp. 50-61

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 (the '403 Patent). Compl. ¶14
• Technology Synopsis: As a continuation of the prior applications, the '403 Patent likewise covers a firearm trigger that can be selectively operated in either a standard semi-automatic mode or a "forced reset" semi-automatic mode. The selection is made via a safety selector that modifies the interaction between the hammer, trigger, and disconnector. '403 Patent, abstract '403 Patent, col. 2:25-45
• Asserted Claims: The complaint asserts independent Claim 38. Compl. ¶95
• Accused Features: The complaint alleges that the Disruptor is a "forced reset" trigger mechanism with a safety selector for moving between standard and forced reset positions, thereby infringing the '403 Patent. Compl. ¶97, pp. 64-69

III. The Accused Instrumentality

Product Identification

• The accused product is a trigger assembly known as the "Disruptor." Compl. ¶26

Functionality and Market Context

• The complaint alleges the Disruptor is a trigger assembly designed for AR-15 platform firearms. (Compl. ¶¶20; Compl. ¶26; Compl. ¶42). It is alleged to feature a three-position safety selector that allows the user to choose between a "safe" position, a "disconnector mode" that functions like a standard AR-15 trigger, and a "forced reset" mode. Compl. ¶28 In the alleged "forced reset" mode, the cycling of the firearm's action (bolt carrier) causes the hammer to make contact with the trigger member, which mechanically resets the trigger and hammer. Compl. ¶29 Compl. ¶31 The complaint further alleges the Disruptor includes a locking bar that prevents the trigger from being pulled until the bolt carrier has returned to the in-battery position. Compl. ¶29 A plaintiff-generated, color-coded rendering of the accused Disruptor trigger identifies the key components, including the locking bar (red) and disconnector (orange). Compl. p. 16 Compl. p. 27 The product is allegedly sold on Defendant's website, https://rangesport.com. Compl. ¶27

IV. Analysis of Infringement Allegations

'223 Patent Infringement Allegations

Claim Element (from Independent Claim 4)	Alleged Infringing Functionality	Complaint Citation	Patent Citation
a housing having transversely aligned pairs of openings for receiving hammer and trigger assembly pins;	The Disruptor includes a housing with transversely aligned pairs of openings for receiving the hammer and trigger assembly pins.	¶41	col. 3:35-43
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, mounted in the housing to pivot between set and released positions.	¶41	col. 4:16-29
a trigger member having a sear and mounted in the housing to pivot on a transverse axis between set and released positions,	The Disruptor has a trigger member with a sear, mounted in the housing to pivot between set and released positions.	¶41	col. 3:51-64
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 contact causing the trigger member to be forced to the set position;	The trigger member has a surface that is contacted by the hammer as it pivots rearward, which allegedly forces the trigger to its set position.	¶41	col. 5:48-52
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 locking bar that is pivotally mounted and spring-biased to a first position where it mechanically blocks the trigger from moving.	¶41	col. 4:62-65
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, allowing the trigger to be pulled by an external force.	¶41	col. 5:1-12

• Identified Points of Contention:
  • Technical Question: The claim requires the trigger member to be "forced to the set position" by contact with the hammer. The complaint's diagrams illustrate this alleged interaction. Compl. p. 15 A central factual question will be whether the forces and movements within the accused Disruptor operate in this specific manner, or if the reset function is achieved through a different mechanical principle.
  • Scope Question: The claim recites a "locking bar" that is moved to a second position "when contacted by the bolt carrier reaching a substantially in-battery position." The infringement analysis may turn on the precise timing and nature of this contact. Questions may arise as to whether the accused device's locking bar is moved by the bolt carrier itself and whether this occurs at the claimed point in the firearm's cycle.

'003 Patent Infringement Allegations

Claim Element (from Independent Claim 4)	Alleged Infringing Functionality	Complaint Citation	Patent Citation
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.	¶55	col. 9:11-20
whereupon in said standard semi-automatic 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 to free said hammer from said disconnector...	In standard mode, the rearward movement of the bolt carrier causes the hammer to pivot and the disconnector hook allegedly catches the hammer hook, requiring manual release of the trigger.	¶55	col. 9:21-48
whereupon in said forced reset semi-automatic position, rearward movement of the bolt carrier causes rearward pivoting of said hammer causing said trigger member to be forced to said set position,	In forced reset mode, rearward movement of the bolt carrier causes the hammer to pivot, which in turn causes the trigger to be mechanically moved to the set position.	¶55	col. 9:49-52
said safety selector preventing said disconnector hook from catching said hammer hook,	The safety selector allegedly prevents the disconnector hook from catching the hammer hook in the forced reset mode.	¶55	col. 9:53-56
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	When the bolt carrier is in battery, the user can allegedly pull the trigger to fire without first manually releasing pressure.	¶55	col. 9:57-67

• Identified Points of Contention:
  • Technical Question: A key technical question will be how the accused Disruptor's safety selector "prevents" the disconnector from catching the hammer. The complaint provides a diagram alleging this function. (Compl. p. 32). The infringement analysis will likely focus on whether the selector achieves this by physically repositioning the disconnector, blocking its path, or through another mechanism, and whether that mechanism is the same as that covered by the claim.
  • Scope Question: Claim 4 contains two long, detailed "whereupon" clauses that describe the precise sequence of operations in both standard and forced reset modes. The infringement case may depend on whether the Disruptor performs every step in this exact sequence. For example, does the user "must manually release said trigger member to free said hammer from said disconnector" in the standard mode in the exact manner required by the claim?

V. Key Claim Terms for Construction

• Term ('223 Patent, Claim 4): "forced to the set position"

  • Context and Importance: This phrase describes the core novelty of the trigger resetting itself through the action of the hammer. The definition will determine what kind of mechanical interaction between the hammer and trigger constitutes infringement. Practitioners may focus on this term because the nature of the "forcing" action is central to the patent's distinction from standard triggers.
  • Intrinsic Evidence for Interpretation:
    • Evidence for a Broader Interpretation: The specification describes the action functionally, stating "the contact causing the trigger member to be forced to the set position." '223 Patent, abstract Plaintiffs may argue that any mechanism where hammer contact pushes the trigger to reset meets this limitation.
    • Evidence for a Narrower Interpretation: The detailed description and Figure 5 show a specific "tail portion" (44) of the hammer contacting a "rear contact surface" (30) on the trigger member. '223 Patent, col. 4:3-10 '223 Patent, Fig. 5 Defendants may argue the term should be limited to this specific geometry or a similar direct-push interaction.

• Term ('003 Patent, Claim 4): "safety selector preventing said disconnector hook from catching said hammer hook"

  • Context and Importance: This limitation defines the primary function of the "forced reset" mode. The case may turn on how the selector achieves this "preventing" action. Practitioners may focus on this term because it distinguishes the patented invention's dual-mode capability from single-mode triggers.
  • Intrinsic Evidence for Interpretation:
    • Evidence for a Broader Interpretation: The claim uses the functional word "preventing," which could be read broadly to cover any method of disabling the disconnector's catch function. The abstract states the selector performs this function without detailing the specific mechanism. '003 Patent, abstract
    • Evidence for a Narrower Interpretation: The detailed description explains that in the forced reset position, "a narrow semi-circular portion (116) of the safety selector (110) prevents the disconnector (60) from pivoting with the trigger member (38) thus preventing the disconnector hook (64) from catching the hammer hook (53)." '003 Patent, col. 9:53-58 A defendant could argue this specific action-preventing the disconnector's pivot-is required by the claim.

VI. Other Allegations

• Indirect Infringement: The complaint alleges inducement of infringement, stating that Defendant's promotional materials and website instruct customers on how to install and use the Disruptor in an infringing AR-15 firearm. Compl. ¶42 Compl. ¶56 Compl. ¶70 Compl. ¶84 Compl. ¶98 The complaint also pleads contributory infringement, alleging the Disruptor is not suitable for substantial non-infringing use and was specially designed to be used in a manner that infringes. Compl. ¶44 Compl. ¶58 Compl. ¶72 Compl. ¶86 Compl. ¶100
• Willful Infringement: The complaint alleges that Defendant knew or should have known of the infringement, at least as of the filing of the complaint. Compl. ¶45 Compl. ¶59 Compl. ¶73 Compl. ¶87 Compl. ¶101 It further alleges that Defendant's infringement is egregious and willful. Compl. ¶45 Compl. ¶50 The complaint highlights that Defendant's own website for the accused product references a U.S. Patent (albeit not one of the asserted patents), which Plaintiffs may use to argue Defendant is a sophisticated actor aware of the patent landscape for this technology. Compl. p. 18 Compl. p. 33

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

• A central issue will be one of mechanical equivalency: Does the accused "Disruptor" trigger operate according to the exact sequence of interactions recited in the asserted claims, particularly for the dual-mode patents? The court will need to compare the precise movements of the Disruptor's safety selector, locking bar, and disconnector against the detailed steps laid out in the claims.
• A key question will be one of claim construction: The dispute will likely hinge on the interpretation of functional language, such as what constitutes being "forced to the set position" by the hammer ('223 Patent) and what specific action is required for the safety selector to be "preventing said disconnector hook from catching said hammer hook" ('003 Patent and its continuations).
• A significant question for damages will be willfulness: Plaintiffs allege that Defendant's reference to an unrelated patent on its own product website demonstrates sophistication and awareness of patent rights in the field. A key question for the court will be whether this, combined with other evidence, is sufficient to establish pre-suit knowledge or objective recklessness to support a finding of willful infringement.