ABC IP LLC v. Quick Response Firearms LLC

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: ABC IP, LLC (Delaware) and RARE BREED TRIGGERS, INC. (Texas)
  • Defendant: Quick Response Firearms LLC (Idaho); Daniel Corsini (Idaho); and Jerried "Jerry" Brown (Idaho)
  • Plaintiff's Counsel: Beard ST. Clair Gaffney PA
• Case Identification: 4:26-cv-00944, D. Idaho, 06/01/2026
• Venue Allegations: Venue is alleged to be proper as all Defendants reside in the District of Idaho, have a regular and established place of business in the district, and/or have committed acts of infringement in the district.
• Core Dispute: Plaintiffs allege that Defendants' "Disruptor" forced reset trigger assembly infringes five patents related to firearm trigger mechanisms that increase the rate of fire.
• Technical Context: The technology concerns aftermarket "forced reset" triggers for AR-15-style firearms, which use the energy from the cycling bolt carrier to mechanically reset the trigger, enabling a higher potential rate of fire than standard semi-automatic mechanisms.
• Key Procedural History: The complaint alleges that the manufacturer of the accused device maintains a website with an "FRT Legal Library" that provides links to several of the asserted patents. Plaintiffs cite this as evidence that the manufacturer and its resellers, including Defendants, were aware of the patents-in-suit, which may be used to support allegations of willful infringement.

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
2025-05-26	U.S. Patent No. 12,636,403 Issue Date
2026-06-01	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, titled "Firearm Trigger Mechanism," issued on December 24, 2019 (the '223 Patent).

The Invention Explained

• Problem Addressed: The patent's background section describes the limitations of standard semi-automatic triggers, which require a user to manually release the trigger to reset the mechanism, limiting the rate of fire ʼ223 Patent, col. 1:25-34 It also notes that prior methods for increasing the rate of fire, such as "bump firing," can be unreliable or require complex and expensive modifications ʼ223 Patent, col. 1:40-42 '223 Patent, col. 2:10-15
• The Patented Solution: The invention is a trigger mechanism where the rearward motion of the firearm's bolt carrier pushes the hammer back, and the hammer, in turn, makes physical contact with the trigger member, forcing it to return to its "set" position ʼ223 Patent, col. 5:31-36 A separate locking bar prevents the trigger from being pulled again until the bolt carrier has returned to a safe, in-battery position, which prevents "hammer follow" ʼ223 Patent, col. 5:55-65 '223 Patent, abstract
• Technical Importance: The design allows for a "drop-in" replacement trigger for common firearm platforms that increases the potential rate of semi-automatic fire through a purely mechanical forced reset, without requiring modification to other major components like the bolt carrier ʼ223 Patent, col. 2:30-38

Key Claims at a Glance

• The complaint asserts independent Claim 4 Compl. ¶39
• The essential elements of Claim 4 include:
  • A housing with openings for hammer and trigger pins.
  • A hammer mounted in the housing to pivot between set and released positions.
  • A trigger member with a sear, also mounted to pivot, which has a surface positioned to be contacted by the hammer when the bolt carrier cycles, with this contact "causing the trigger member to be forced to the set position".
  • A locking bar that pivots and is spring-biased to a first position where it "mechanically blocks the trigger member", and is movable by the returning bolt carrier to a second position where the trigger can be moved by an external force.
• The complaint asserts infringement of "at least Claim 4" Compl. ¶39

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

• Patent Identification: U.S. Patent No. 11,724,003, titled "Firearm Trigger Mechanism," issued on August 15, 2023 (the '003 Patent).

The Invention Explained

• Problem Addressed: The patent background notes prior art in forced reset triggers and states that "Further improvement in forced reset triggers is desired" '003 Patent, col. 2:21-22 The complaint clarifies that this invention adds selectable firing modes Compl. ¶23
• The Patented Solution: The invention builds upon the forced reset concept by adding a three-position safety selector that allows the user to choose between a "safe" position, a "standard semi-automatic" mode using a conventional disconnector, and a "forced reset semi-automatic" mode '003 Patent, abstract In the forced reset mode, the safety selector is configured to interact with and disable the disconnector, allowing the hammer-on-trigger forced reset to function, while in standard mode, the selector allows the disconnector to engage the hammer normally '003 Patent, col. 9:20-35
• Technical Importance: This innovation provides a single trigger assembly that offers the user the flexibility to operate the firearm with either a conventional semi-automatic feel or an enhanced rate of fire via the forced reset function '003 Patent, col. 2:35-39

Key Claims at a Glance

• The complaint asserts independent Claim 4 Compl. ¶47
• The essential elements of Claim 4 include:
  • A housing, a hammer with a sear catch and a disconnector hook, a trigger member with a forced-reset surface, a disconnector, and a locking bar, similar to the components of a forced reset trigger.
  • A "safety selector" adapted to pivot between "safe, standard semi-automatic, and forced reset semi-automatic positions".
  • A "whereupon" clause describing the standard semi-automatic function, where the user must manually release the trigger after the disconnector catches the hammer.
  • A "whereupon" clause describing the forced reset function, where the rearward pivoting hammer forces the trigger to reset, and "said safety selector preventing said disconnector hook from catching said hammer hook".
• The complaint asserts infringement of "at least Claim 4" Compl. ¶47

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

• Patent Identification: U.S. Patent No. 12,036,336, titled "Firearm Trigger Mechanism," issued July 16, 2024 (the '336 Patent).
• Technology Synopsis: The '336 Patent, like the '003 Patent, describes a trigger mechanism that provides multiple user-selectable operating modes. It includes a safety selector that allows the user to switch between a standard semi-automatic mode, which uses a disconnector, and a forced reset semi-automatic mode, in which the disconnector is prevented from engaging the hammer, enabling an increased rate of fire Compl. ¶23 '336 Patent, abstract
• Asserted Claims: The complaint asserts at least independent Claim 3 Compl. ¶54
• Accused Features: The "Disruptor" trigger's three-position selector and its alleged ability to operate in both a standard disconnector mode and a forced reset mode Compl. ¶27 Compl. ¶¶54-55

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

• Patent Identification: U.S. Patent No. 12,274,807, titled "Firearm Trigger Mechanism," issued April 15, 2025 (the '807 Patent).
• Technology Synopsis: The '807 Patent describes a trigger mechanism with selectable operating modes controlled by a safety selector. The invention allows a user to choose between a standard semi-automatic firing mode that utilizes a disconnector and a forced reset mode where the cycling of the bolt carrier forces the trigger to reset Compl. ¶23 '807 Patent, abstract
• Asserted Claims: The complaint asserts at least independent Claim 1 Compl. ¶61
• Accused Features: The infringement allegation targets the "Disruptor" trigger's multi-mode functionality, which is allegedly controlled by its three-position safety selector Compl. ¶27 Compl. ¶¶61-62

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

• Patent Identification: U.S. Patent No. 12,636,403, titled "Firearm Trigger Mechanism," issued May 26, 2026 (the '403 Patent).
• Technology Synopsis: The '403 Patent describes a forced reset trigger mechanism that can be selected to operate in either a standard semi-automatic mode or a forced reset mode. The complaint provides plaintiff-generated renderings to illustrate the interaction between the safety selector, disconnector, hammer, and trigger in both modes (Compl. ¶23, Compl. ¶70; '403 Patent, Compl. ¶abstract).
• Asserted Claims: The complaint asserts at least independent Claim 38 Compl. ¶¶69-70
• Accused Features: The "Disruptor" trigger and its alleged operation in both standard and forced reset modes, as enabled by its safety selector Compl. ¶70 The complaint includes color-coded diagrams illustrating the alleged function of the accused device's components Compl. pp. 29-32

III. The Accused Instrumentality

Product Identification

• The accused product is a forced reset trigger assembly known as the "Disruptor" Compl. ¶25 The complaint notes the manufacturer, Peak Tactical, LLC, changed its business name from "Partisan Triggers" to "The Triggered Company" Compl. ¶25

Functionality and Market Context

• The Disruptor is marketed as a "3 Position Drop In Forced Reset Trigger" for AR-15 pattern firearms Compl. ¶26 The complaint includes a screenshot from Defendant QRF's website showing the product listing Compl. p. 6
• The product is alleged to have a three-position safety selector allowing the user to switch between "Safe, Semi-Automatic, and Enhanced Semi-Automatic modes" Compl. ¶27
• The complaint alleges that the "Semi-Automatic" mode functions as a standard semi-automatic trigger with a disconnector, while the "Enhanced Semi-Automatic" mode functions as a forced reset trigger Compl. ¶¶27-31 In the forced reset mode, the cycling of the action is alleged to cause the hammer to forcefully reset the trigger member, while a locking bar prevents premature firing until the bolt is in battery Compl. ¶28

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 Infringing Device includes a housing with openings for hammer and trigger pins. An annotated diagram shows the housing and openings (Compl. p. 11).	¶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 Infringing Device includes a hammer with a sear notch that pivots in the housing. An annotated diagram labels the hammer and its sear notch (Compl. p. 11).	¶41	col. 4:18-28
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 contact causing the trigger member to be forced to the set position;	The Infringing Device allegedly has a trigger member with a surface contacted by the hammer during cycling, which forces the trigger to the set position. The complaint alleges this occurs when the device is in forced reset mode Compl. ¶28, and provides an annotated diagram labeling the "Trigger surface" and "Hammer surface" Compl. p. 12	¶41	col. 5:31-36
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, 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 Infringing Device includes a locking bar alleged to block the trigger until the bolt carrier returns to an in-battery position, at which point the bolt carrier contacts the bar and allows the trigger to be pulled. An annotated diagram shows the locking bar and its pivot Compl. p. 12	¶41	col. 5:36-49; col. 5:55-65

• Identified Points of Contention:
  • Technical Question: The core of the infringement allegation rests on the interaction where the hammer "contact causing the trigger member to be forced to the set position." The complaint supports this with diagrams and narrative allegations Compl. ¶28 Compl. p. 12 A potential point of contention will be the specific nature of this contact and whether the force is applied in the manner described and claimed in the patent.
  • Scope Question: The claim requires a "locking bar" that is "contacted by the bolt carrier". Evidence demonstrating this specific interaction in the accused Disruptor trigger, as opposed to a different safety or interlock mechanism, will be a central question for the court.

'003 Patent Infringement Allegations

Claim Element (from Independent Claim 4)	Alleged Infringing Functionality	Complaint Citation	Patent Citation
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 Infringing Device includes a housing with openings for hammer and trigger pins. An annotated diagram shows the housing and pin openings (Compl. p. 14).	¶48	col. 7:47-59
a hammer having a sear catch and a hook for engaging a disconnector...	The Infringing Device includes a hammer with a sear catch and a hook for a disconnector. An annotated diagram labels the hammer hook (Compl. p. 16).	¶48	col. 8:1-4
a trigger member having a sear and ... having a surface positioned to be contacted by a surface of said hammer ... to cause said trigger member to be forced to said set position,	The Infringing Device includes a trigger member with a surface allegedly contacted by the hammer to force the trigger to reset. An annotated diagram labels the trigger and hammer surfaces (Compl. p. 15).	¶48	col. 8:14-22
a disconnector having a hook for engaging said hammer and mounted in said housing to pivot on said trigger member pin,	The Infringing Device includes a disconnector with a hook for engaging the hammer. An annotated diagram identifies the disconnector hook and pivot (Compl. p. 16).	¶48	col. 8:23-28
a locking member mounted in said housing to pivot... being pivotable between a first position at which said locking member mechanically blocks said trigger member... and a second position...	The Infringing Device includes a locking member that pivots between a position that blocks the trigger and a position that allows it to be moved, allegedly controlled by contact from the bolt carrier Compl. ¶28 An annotated diagram shows the locking member and pivot (Compl. p. 16).	¶48	col. 8:30-47
a safety selector adapted to be mounted in a fire control mechanism pocket... to pivot between safe, standard semi-automatic, and forced reset semi-automatic positions,	The Infringing Device includes a three-position safety selector alleged to provide safe, standard semi-automatic, and forced reset modes Compl. ¶27 A photograph shows the safety selector (Compl. p. 17).	¶48	col. 9:11-20
whereupon in said forced reset semi-automatic position... said safety selector preventing said disconnector hook from catching said hammer hook...	In the alleged forced reset mode, the safety selector is claimed to prevent the disconnector from catching the hammer, allowing for a forced reset without manual trigger release Compl. ¶31 The claim chart asserts this functionality occurs (Compl. p. 17).	¶48	col. 10:1-12

• Identified Points of Contention:
  • Technical Question: A key factual question is whether the accused Disruptor's safety selector, when in the "Enhanced Semi-Automatic" mode, actually performs the function of "preventing said disconnector hook from catching said hammer hook" as required by the claim. The complaint alleges this Compl. ¶31, but proving this specific mechanical interaction will be a focus of discovery.
  • Scope Question: The complaint describes the accused modes as "Safe, Semi-Automatic, and Enhanced Semi-Automatic" Compl. ¶27 The analysis will question whether this "Enhanced" mode maps directly onto the claim's detailed functional description of a "forced reset semi-automatic position."

V. Key Claim Terms for Construction

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

  • Context and Importance: This phrase is central to the "forced reset" concept. The infringement analysis will depend on whether the interaction between the hammer and trigger in the accused device qualifies as being "forced" to reset as the patent construes the term. Practitioners may focus on this term to determine if the claim requires a specific type of direct mechanical action or can cover a broader range of reset-assisting mechanisms.
  • Intrinsic Evidence for a Broader Interpretation: The specification states that "contact between the hammer and a surface of the trigger member... causes the trigger to be forcibly reset" '223 Patent, col. 2:40-42 This functional language may support an interpretation that covers any reset caused by hammer contact.
  • Intrinsic Evidence for a Narrower Interpretation: The detailed description explains that "mechanical interference or contact between a rear surface 74 of the hammer 18... and a contact surface 30 of the trigger member 26 forces the trigger to pivot" ('223 Patent, col. 5:31-36). A party could argue this ties the term "forced" to the specific surfaces and direct contact shown in the embodiments.

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

  • Context and Importance: This term defines the specific function of the safety selector that distinguishes the claimed "forced reset" mode from the "standard" mode. Infringement of the multi-mode patents hinges on proving this precise interaction occurs in the accused device.
  • Intrinsic Evidence for a Broader Interpretation: The claim uses functional language ("preventing"), which could be argued to cover any mechanism, direct or indirect, by which the selector's position results in the disconnector being unable to catch the hammer. The summary of invention states the selector prevents the hook from catching without specifying the exact mechanism '003 Patent, abstract
  • Intrinsic Evidence for a Narrower Interpretation: The detailed description discloses a specific embodiment where a "narrow semi-circular portion 116 [of the safety selector] permits the trigger blade 54 to be pulled but prevents the disconnector 60 from pivoting with the trigger member 38" '003 Patent, col. 9:26-30 A defendant may argue that "preventing" should be limited to this specific method of blocking the disconnector's pivot.

VI. Other Allegations

• Indirect Infringement: For the '403 Patent, the complaint alleges both inducement and contributory infringement Compl. ¶¶68-69 Compl. ¶71 The contributory infringement claim is based on the allegation that the components of the Disruptor trigger are "not suitable for substantial noninfringing use as they are specially designed and adapted to be used" to perform the allegedly infringing forced reset function Compl. ¶71 The inducement claim is based on alleged infringement by customers Compl. ¶71
• Willful Infringement: The complaint alleges willful infringement for all asserted patents Compl. ¶18 The primary basis for this allegation is the manufacturer's own website, which allegedly hosts an "FRT Legal Library" linking to copies of the '223, '003, and '336 patents Compl. ¶32 Plaintiffs allege this demonstrates that the manufacturer and its resellers, including the named Defendants, had knowledge of the patents and their relevance to the product, and that the infringement was therefore willful Compl. ¶¶32-37

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

1. A core issue will be one of functional equivalence: Does the accused "Disruptor" trigger operate using the precise sequence of mechanical interactions claimed in the patents? Specifically, does the hammer "force" the trigger to reset (as required by the '223 Patent), and does the safety selector "prevent" the disconnector from engaging the hammer (as required by the '003, '336, '807, and '403 patents), or does it achieve a similar result through a technically distinct method?

2. A second key issue will be one of claim construction: How narrowly will the court define the functional limitations of the claims? The case may turn on whether terms like "forced to the set position" and "preventing said disconnector hook from catching" are interpreted to be limited to the specific direct-contact embodiments shown in the patents or are construed more broadly to cover any mechanism that achieves the same end result.

3. A central question for damages will be willfulness and knowledge: Can Plaintiffs prove that the Defendants, as resellers, had the requisite knowledge of infringement based on the presence of a "Legal Library" on the separate website of the product's manufacturer? The court will need to determine if this public-facing library is sufficient to establish knowledge and support a finding of willful infringement against a third-party seller.