ABC IP LLC v. Peak Tactical LLC

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: ABC IP, LLC (Delaware) and RARE BREED TRIGGERS, INC. (Texas)
  • Defendant: PEAK TACTICAL, LLC d/b/a PARTISAN TRIGGERS, and/or THE TRIGGERED CO. (Wyoming); et al.
  • Plaintiff's Counsel: Fish & Richardson P.C.
• Case Identification: 4:26-cv-00698, E.D. Tex., 06/26/2026
• Venue Allegations: Venue is alleged as proper because Defendants reside in, have a regular and established place of business in, and/or commit and direct infringing activities in the district.
• Core Dispute: Plaintiff alleges that Defendants' "Disruptor" trigger assembly, a product for AR-15 pattern firearms, infringes five patents related to "forced reset" trigger mechanisms.
• Technical Context: The technology concerns firearm trigger mechanisms designed to increase the rate of semi-automatic fire by using the energy from the cycling bolt carrier to mechanically reset the trigger, a feature marketed as "forced reset."
• Key Procedural History: The complaint references prior litigation involving U.S. Patent No. 10,514,223 against a third party that resulted in a permanent injunction, which Plaintiffs allege is relevant to Defendants' state of mind. The complaint also notes that Plaintiffs previously filed a lawsuit in the District of Arizona against Defendants (as "John Doe"), which Plaintiffs cite to support their 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; 12,636,403 Priority Date
2022-10-19	Permanent Injunction Entered in Prior Litigation (''223 Patent)
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
2025-09-15	Defendants Announce Accused Product on AR15.com Forum
2025-12-15	Accused Product "Disruptor" Launch Date
2025-12-23	Plaintiffs File Suit Against Defendants in D. Ariz.
2026-01-07	Defendants Post on AR15.com Forum Regarding Arizona Lawsuit
2026-05-26	U.S. Patent No. 12,636,403 Issue Date
2026-06-26	Complaint Filing Date

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

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

Issued December 24, 2019 Compl. ¶17 '223 Patent, cover

The Invention Explained

• Problem Addressed: The patent's background describes how standard semi-automatic triggers limit the rate of fire because a user must consciously release the trigger to allow it to reset before the next shot can be fired '223 Patent, col. 1:25-34 Prior art methods to increase fire rate, such as "bump firing," are noted as requiring practice or being complex '223 Patent, col. 1:39-2:15
• The Patented Solution: The invention provides a "forced reset" trigger mechanism, typically as a "drop-in" module, for firearms like the AR-15 '223 Patent, col. 2:37-39 During the firearm's cycle of operation, the rearward movement of the bolt carrier displaces the hammer, which in turn makes contact with the trigger member, mechanically "forcing" it back to its reset position '223 Patent, abstract '223 Patent, col. 5:31-38 A "locking bar" then blocks the trigger from being pulled again until the bolt carrier has returned to a safe, "in-battery" position, preventing malfunctions like "hammer follow" '223 Patent, abstract '223 Patent, col. 5:38-5:49
• Technical Importance: This technology purports to allow a significantly increased rate of semi-automatic fire in a reliable manner without requiring complex user techniques or expensive electronic solutions '223 Patent, col. 2:30-2:45

Key Claims at a Glance

• The complaint asserts infringement of Claim 4, among others Compl. ¶58
• Independent Claim 4 requires:
  • A trigger mechanism for a specified firearm type (AR-pattern with reciprocating bolt carrier).
  • A "housing" with openings for hammer and trigger pins.
  • A "hammer" with a sear notch, pivotable between set and released positions.
  • A "trigger member" with a sear and a "surface positioned to be contacted by the hammer" when cycled, where "the contact causing the trigger member to be forced to the set position".
  • A "locking bar" that is pivotally mounted and spring-biased to a first position where it "mechanically blocks the trigger member", and is movable to a second position by the bolt carrier reaching a "substantially in-battery position", allowing the trigger to be moved.
• The complaint reserves the right to assert other claims Compl. ¶58

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

Issued August 15, 2023 Compl. ¶18 '003 Patent, cover

The Invention Explained

• Problem Addressed: The complaint states this patent builds on the '223 Patent's technology Compl. ¶30 The patent background similarly describes the limitations of standard triggers and the desire for an increased rate of fire '003 Patent, col. 1:23-2:22
• The Patented Solution: This invention adds a multi-position safety selector to the forced reset concept '003 Patent, abstract The selector allows a user to choose between: 1) a standard semi-automatic mode, which uses a traditional disconnector to catch the hammer, and 2) a "forced reset" semi-automatic mode, where the disconnector is disabled and the trigger is mechanically reset by the hammer's movement, as in the '223 Patent '003 Patent, col. 3:3-3:21 Compl. ¶30
• Technical Importance: This innovation provides user-selectable firing modes, combining the functionality of a standard AR-15 trigger and a rapid-fire forced reset trigger within a single, integrated mechanism Compl. ¶30

Key Claims at a Glance

• The complaint asserts infringement of Claim 4, among others Compl. ¶72
• Independent Claim 4 is a lengthy system claim that includes the core elements of the '223 Patent's forced reset mechanism (housing, hammer, trigger member, disconnector, locking bar) and adds:
  • A "safety selector" adapted to pivot between "safe, standard semi-automatic, and forced reset semi-automatic positions".
  • Functionality where in the "standard semi-automatic position", the "disconnector hook catches said hammer hook", and the user must manually release the trigger.
  • Functionality where in the "forced reset semi-automatic position", the "safety selector prevent[s] said disconnector hook from catching said hammer hook", allowing the user to fire again without manually releasing the trigger once the bolt is in battery.
• The complaint reserves the right to assert other claims Compl. ¶72

Multi-Patent Capsule

• *U.S. Patent No. 12,036,336 ("the '336 Patent"), "Firearm Trigger Mechanism", issued July 16, 2024 Compl. ¶19*

  • Technology Synopsis: The complaint characterizes the '336 Patent as describing and claiming a device similar to the '223 Patent's forced reset trigger, with the additional feature of a selector that allows the user to choose between a standard disconnector-based semi-automatic mode and the "forced reset" mode Compl. ¶30
  • Asserted Claims: The complaint asserts infringement of Claim 3, among others Compl. ¶86
  • Accused Features: The "Disruptor" trigger assembly is accused of infringing, specifically by embodying the claimed selectable-mode trigger mechanism Compl. ¶86

• *U.S. Patent No. 12,274,807 ("the '807 Patent"), "Firearm Trigger Mechanism", issued April 15, 2025 Compl. ¶20*

  • Technology Synopsis: The complaint alleges the '807 Patent also covers a forced reset trigger with a selector for switching between standard semi-automatic and "forced reset" semi-automatic modes Compl. ¶30
  • Asserted Claims: The complaint asserts infringement of Claim 1, among others Compl. ¶100
  • Accused Features: The "Disruptor" trigger assembly, with its three-position selector and forced reset functionality, is the accused instrumentality Compl. ¶100

• *U.S. Patent No. 12,636,403 ("the '403 Patent"), "Firearm Trigger Mechanism", issued May 26, 2026 Compl. ¶21*

  • Technology Synopsis: The complaint again describes this patent as covering a device with selectable standard semi-automatic and "forced reset" modes Compl. ¶30
  • Asserted Claims: The complaint asserts infringement of Claim 38, among others Compl. ¶135
  • Accused Features: The "Disruptor" trigger assembly is accused of infringing the '403 Patent's claims to a selectable-mode, forced reset trigger mechanism Compl. ¶135

III. The Accused Instrumentality

Product Identification

The accused product is the "Disruptor" trigger assembly Compl. ¶32

Functionality and Market Context

• The complaint alleges the Disruptor is a "drop-in" trigger assembly for AR-15 pattern firearms (Compl. ¶34, Ex. G). A photograph from the Defendants' website shows the trigger assembly, which includes a cassette-style housing and associated components (Compl. ¶34, Ex. G).
• It is marketed as having a three-position safety selector with "Safe, Semi-Automatic, and Enhanced Semi-Automatic modes" (Compl. ¶34, Ex. G). The complaint alleges that in the "forced reset" mode, the cycling of the firearm's action causes the hammer to contact the trigger member, which "mechanically reset[s] the hammer and trigger member" Compl. ¶39 It is also alleged to include a locking bar that prevents the trigger from being pulled until the bolt carrier has returned to its in-battery position Compl. ¶39
• The complaint alleges Defendants are marketing the Disruptor as a direct competitor to existing "FRT" (Forced Reset Trigger) products, promoting it through online forums and selling it via a network of online and local retailers Compl. ¶¶33-37 A screenshot from Defendants' website shows a grid of logos for "current sellers" and "Coming Soon" sellers (Compl. ¶36, Ex. H).

IV. Analysis of Infringement Allegations

10,514,223 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 hammer and trigger assembly pins. The complaint provides a color-coded diagram identifying the housing and openings (Compl. ¶60, p. 17).	¶60	col. 3:35-49
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 to pivot in the housing.	¶60	col. 3:50-4:34
a trigger member having a sear...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 Disruptor's trigger member allegedly has a surface that is contacted by the hammer during the bolt carrier's cycle. This contact is alleged to mechanically force the trigger member back to the set position. The complaint includes a diagram illustrating this alleged interaction (Compl. ¶60, p. 20).	¶60	col. 5:31-38
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...and movable...to a second position when contacted by the bolt carrier reaching a substantially in-battery position...	The Disruptor allegedly includes a pivoting, spring-biased locking bar that blocks the trigger until it is moved to a second position by the returning bolt carrier. A diagram shows the locking bar in its "Mechanically Blocked" position (Compl. ¶60, p. 22).	¶60	col. 4:62-5:10

• Identified Points of Contention:
  • Scope Questions: A central question for the court may be the construction of "forced to the set position." The dispute could turn on whether the specific mechanical interaction between the Disruptor's hammer and trigger falls within the scope of this term as defined by the patent's specification and figures.
  • Technical Questions: An evidentiary question will be whether the Disruptor's locking bar operates precisely as claimed. This involves determining if it is contacted by the bolt carrier at a "substantially in-battery position" to unblock the trigger, or if there is a functional difference in the timing or mechanism of this safety feature.

11,724,003 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...for receiving a trigger member pin,	The Disruptor includes a housing with the claimed pin openings. A diagram in the complaint identifies the housing and openings (Compl. ¶74, p. 27).	¶74	col. 7:42-8:20
a hammer having a sear catch and a hook for engaging a disconnector and mounted in said housing to pivot...	The Disruptor includes a hammer with a sear catch and a hook for engaging the disconnector.	¶74	col. 8:1-8:4
said trigger member having a surface positioned to be contacted by a surface of said hammer during rearward pivoting...to cause said trigger member to be forced to said set position,	The Disruptor's trigger is allegedly forced to its set position by contact with the hammer during the firearm's cycle. The complaint provides diagrams to illustrate this forced reset action (Compl. ¶74, p. 30).	¶74	col. 10:14-10:20
a disconnector having a hook for engaging said hammer and mounted in said housing to pivot on said trigger member pin,	The Disruptor allegedly has a disconnector with a hook for engaging the hammer, mounted on the trigger member pin.	¶74	col. 8:22-8:29
a locking member...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 is alleged to have a locking member that pivots to either block or allow the trigger to be pulled, controlled by contact with the bolt carrier.	¶74	col. 8:30-9:10
a safety selector adapted to be mounted...to pivot between safe, standard semi-automatic, and forced reset semi-automatic positions,	The Disruptor includes a three-position safety selector for "safe, standard semi-automatic, and 'forced reset' semi-automatic positions." A photo shows this selector (Compl. ¶74, p. 35).	¶74	col. 9:11-9:37
whereupon in said forced reset semi-automatic position...said safety selector preventing said disconnector hook from catching said hammer hook,	In the "forced reset" mode, the Disruptor's safety selector allegedly prevents the disconnector from catching the hammer, a key feature for enabling the forced reset function. A diagram illustrates this interaction (Compl. ¶74, p. 36).	¶74	col. 9:58-9:64

• Identified Points of Contention:
  • Scope Questions: The analysis may focus on the term "preventing said disconnector hook from catching said hammer hook". The question will be whether the Disruptor's safety selector achieves this prevention in a manner consistent with the claim's scope, or if it uses a technically distinct method.
  • Technical Questions: A key technical question for the court will be to verify the precise interaction between the Disruptor's safety selector and its disconnector. Evidence will be needed to show that the selector's geometry and movement, when in the "forced reset" position, physically re-positions or obstructs the disconnector as claimed, thereby disabling its standard function.

V. Key Claim Terms for Construction

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

• Context and Importance: This term is fundamental to the "forced reset" concept. The infringement case hinges on whether the accused product's mechanism of resetting the trigger via hammer contact qualifies as being "forced" in the manner claimed, as opposed to being reset by other means (e.g., a conventional trigger return spring).

• Intrinsic Evidence for Interpretation:

  • Evidence for a Broader Interpretation: The specification describes the action as "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...toward and to its reset position" '223 Patent, col. 5:31-38 Parties may argue this language covers any direct, non-spring-based mechanical action initiated by the hammer that results in the trigger resetting.
  • Evidence for a Narrower Interpretation: The specification also states that a conventional trigger return spring "may be unnecessary...because the trigger member 26 is forced to return by the hammer 18" '223 Patent, col. 5:51-54 A party could argue that "forced" implies an action that is powerful enough to render the return spring entirely superfluous, suggesting a specific degree or type of mandatory mechanical work.

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

• Context and Importance: This limitation defines the unique mechanism for enabling the "forced reset" mode. Infringement requires that the accused safety selector performs this specific disabling function. Practitioners may focus on this term because it is the core distinction between the selectable modes.

• Intrinsic Evidence for Interpretation:

  • Evidence for a Broader Interpretation: The summary of the invention states that in the forced reset mode, "the safety selector prevent[s] the disconnector hook from catching the hammer hook" '003 Patent, col. 3:15-17 This broad statement could support an interpretation where any method of prevention achieved by the selector's position is covered.
  • Evidence for a Narrower Interpretation: The detailed description explains that a "narrow semi-circular portion 116 [of the safety selector]...prevents the disconnector 60 from pivoting with the trigger member 38" '003 Patent, col. 9:58-62 A party may argue this language, tied to the specific geometry shown in Figure 3, limits the claim to a mechanism where the selector physically blocks the disconnector's pivot path, as opposed to disabling it in some other way.

VI. Other Allegations

• Indirect Infringement: The complaint alleges Defendants induce infringement by providing customers with instructional materials on how to install and use the Disruptor. The complaint cites and includes screenshots of instructional videos and installation guides from Defendants' website as evidence of these inducing acts Compl. ¶61 Compl. ¶75 Compl. pp. 23-24
• Willful Infringement: The complaint contains extensive allegations of willful infringement. It alleges pre-suit knowledge based on Defendants' public statements in an online forum acknowledging Plaintiffs' patents and prior litigation Compl. ¶¶43-44 The complaint also points to a "FRT Legal Library" on Defendants' website, which linked to copies of the asserted patents, as evidence of actual knowledge Compl. ¶42 The willfulness claim is further supported by allegations that Defendants continued their activities after being named as defendants in a prior lawsuit in Arizona Compl. ¶62 Compl. ¶64

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

• A core issue will be one of definitional scope: can the term "forced to the set position", which underpins the '223 Patent, be construed to read on the specific mechanical interaction between the hammer and trigger in the accused "Disruptor" trigger, or will Defendants be able to demonstrate a legally significant technical distinction?
• A key evidentiary question will be one of operational mechanics: does the accused product's three-position selector perform the precise function of "preventing the disconnector hook from catching the hammer hook" as required by the '003 Patent and its successors, or is there a functional mismatch in its method of enabling the "forced reset" mode that places it outside the claims?
• A central question for damages and potential enhancement will be willfulness: given the extensive allegations of pre-suit knowledge, including Defendants' own forum posts discussing Plaintiffs' patents and their procurement of an "Advice Of Counsel Letter" Compl. ¶43, can Defendants establish a good-faith belief of non-infringement or invalidity sufficient to defeat the claim of willful infringement?