ABC IP LLC v. Trinity Trigger LLC

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: ABC IP, LLC (Delaware); Rare Breed Triggers, Inc. (Texas); RBTM LLC (Wyoming)
  • Defendant: Trinity Trigger, LLC (Texas)
  • Plaintiff's Counsel: Fish & Richardson P.C.
• Case Identification: 1:26-cv-01414, W.D. Tex., 05/27/2026
• Venue Allegations: Plaintiff alleges venue is proper because the Defendant resides in the district, 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" firearm trigger systems infringe five U.S. patents related to "forced reset" trigger mechanisms.
• Technical Context: The technology involves mechanisms for semiautomatic firearms that use the cycling of the bolt to mechanically reset the trigger, enabling a faster rate of fire compared to standard trigger designs.
• Key Procedural History: The complaint asserts that Plaintiff Rare Breed has used the "FRT" (Forced Reset Trigger) trademark since at least 2020 and has established common law rights and federal trademark registrations.

Case Timeline

Date	Event
2021-11-05	U.S. Patent No. 12,031,784 Priority Date
2022-01-10	U.S. Patent No. 12,636,403 Priority Date
2022-09-08	U.S. Patent No. 12,038,247 Priority Date
2022-09-08	U.S. Patent No. 12,578,159 Priority Date
2023-12-04	U.S. Patent No. 12,529,538 Priority Date
2024-07-09	U.S. Patent No. 12,031,784 Issued
2024-07-16	U.S. Patent No. 12,038,247 Issued
2026-01-20	U.S. Patent No. 12,529,538 Issued
2026-03-17	U.S. Patent No. 12,578,159 Issued
2026-05-26	U.S. Patent No. 12,636,403 Issued
2026-05-27	Complaint Filed

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

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

The Invention Explained

• Problem Addressed: The patent background describes the desire among firearm users to increase the rate of semiautomatic fire, which is limited by the need to manually release and reset the trigger between shots Compl. ¶¶20-21 '247 Patent, col. 1:41-54 Existing methods like "bump firing" are noted as techniques to achieve this, implying a need for a more integrated mechanical solution '247 Patent, col. 1:41-54
• The Patented Solution: The invention is a trigger mechanism featuring a "three position" safety selector that allows the user to choose between "safe," "standard semi-automatic," and "forced reset semi-automatic" modes '247 Patent, abstract In the forced reset mode, the rearward movement of the firearm's bolt carrier pivots a cam, and a lobe on that cam "forces the trigger member towards the set position," mechanically resetting it without the user needing to release finger pressure '247 Patent, abstract '247 Patent, col. 9:43-53
• Technical Importance: This design provides a drop-in modular system that enables a selectable, mechanically accelerated rate of fire for common firearm platforms like the AR-15 Compl. ¶23 '247 Patent, col. 2:20-25

Key Claims at a Glance

• The complaint asserts infringement of claim 15 Compl. ¶40
• Independent Claim 15 recites the essential elements of the trigger mechanism, including:
  • A hammer, trigger member, disconnector, and a cam with a cam lobe, all adapted to be mounted in a fire control pocket.
  • The cam is movable between a first position (where it does not force the trigger reset) and a second position (where it does).
  • A "standard semi-automatic mode" where, after firing, the disconnector catches the hammer, and the user must manually release the trigger to reset the mechanism.
  • A "forced reset semi-automatic mode" where the cam is in its second position, the cycling bolt causes the hammer to pivot, and the disconnector is prevented from catching the hammer, allowing the user to fire again without manually releasing the trigger.
• The complaint reserves the right to assert other claims Compl. ¶40

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

The Invention Explained

• Problem Addressed: The patent discloses that forced reset triggers designed for one firearm platform (e.g., an AR-15) may not be operable in another platform with different dimensions (e.g., an AR-10) '784 Patent, col. 1:21-33 Specifically, a simple extension of the trigger's locking member to accommodate the different geometry would interfere with the forward portion of the bolt carrier as it cycles, rendering the device inoperable '784 Patent, col. 1:36-44
• The Patented Solution: The patent describes a trigger locking device with an upward extension that is "separately movable relative to the body portion" '784 Patent, abstract This extension can be actuated by the bolt carrier but is also "deflectable" or "foldable," allowing it to give way and avoid interference with the forward portion of the bolt carrier as it cycles to the rear '784 Patent, col. 2:45-53 '784 Patent, Fig. 10
• Technical Importance: This innovation allows a forced reset trigger mechanism to be adapted for use across multiple firearm platforms with varying internal geometries, expanding its applicability Compl. ¶24

Key Claims at a Glance

• The complaint asserts infringement of claim 1 Compl. ¶54
• Independent Claim 1 recites the essential elements of the locking device, including:
  • A locking member movable between a first (locked) and second (unlocked) position.
  • A "generally upward extension portion" configured to make actuating contact with a bolt carrier.
  • The locking member has a "body portion" and 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 other claims Compl. ¶54

Multi-Patent Capsule: U.S. Patent No. 12,529,538

• Patent Identification: U.S. Patent No. 12,529,538, "Safety Mechanism for Firearm," issued January 20, 2026 Compl. ¶12
• Technology Synopsis: The patent describes a safety mechanism for a firearm employing a cam selector, a lever, and a trigger with a specific tail portion '538 Patent, abstract The cam selector provides three modes of operation by interacting with recesses on the selector: a standard mode, a second "active reset" mode where a cam portion moves the trigger tail, and a third safe mode that prevents the trigger from being pulled Compl. ¶25 '538 Patent, col. 5:20-34
• Asserted Claims: The complaint asserts infringement of claim 1 Compl. ¶68
• Accused Features: The complaint alleges that Defendant's "Super Safety" product, which includes a cam selector, lever, and trigger, infringes the '538 Patent Compl. ¶68 Compl. ¶70

Multi-Patent Capsule: U.S. Patent No. 12,578,159

• Patent Identification: U.S. Patent No. 12,578,159, "Firearm Trigger Mechanism," issued March 17, 2026 Compl. ¶13
• Technology Synopsis: The technology is described in terms nearly identical to the '247 Patent, concerning a selectable, cam-actuated forced reset trigger mechanism for accelerating the rate of fire in a semiautomatic firearm Compl. ¶23 The patent discloses a trigger operable in a standard semi-automatic mode and a second, forced reset semi-automatic mode '159 Patent, abstract
• Asserted Claims: The complaint asserts infringement of claim 1 Compl. ¶82
• Accused Features: The "Super Safety" product is accused of infringing by incorporating a multi-mode trigger mechanism with a cam that forces the trigger to reset, as detailed in the complaint's claim chart Compl. ¶82 Compl. ¶84

Multi-Patent Capsule: U.S. Patent No. 12,636,403

• Patent Identification: U.S. Patent No. 12,636,403, "Firearm Trigger Mechanism," issued May 26, 2026 Compl. ¶14
• Technology Synopsis: This patent describes a forced reset trigger mechanism that can be selected to operate in two modes: a "standard disconnector semiautomatic mode" and a "forced reset semiautomatic mode" Compl. ¶26 The invention centers on the interaction between a hammer, disconnector, trigger member, and a safety selector that dictates the operational mode '403 Patent, claim 38
• Asserted Claims: The complaint asserts infringement of claim 38 Compl. ¶96
• Accused Features: The "Super Safety" product is accused of infringing by implementing a safety selector that allows a user to switch between a standard semi-automatic mode and a forced reset mode Compl. ¶96 Compl. ¶98

III. The Accused Instrumentality

Product Identification

The accused product is the "(3-Position) 'Super Safety'" Compl. ¶29

Functionality and Market Context

The Super Safety is a firearm trigger mechanism sold as a partial kit, a complete kit, or pre-installed in a firearm receiver Compl. ¶30 The complaint alleges it is designed for AR-pattern firearms and allows the user to switch between a "safe" mode, a "standard semiautomatic with disconnector" mode, and a "forced reset semiautomatic with cam" mode by moving a safety selector Compl. ¶32 A plaintiff-generated rendering in the complaint depicts the components of the accused Super Safety kit, including a trigger, a cam, and a lever Compl. ¶31 The complaint alleges the product is marketed and sold via the defendant's website Compl. ¶30

IV. Analysis of Infringement Allegations

12,038,247 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...a cam having a cam lobe...and a safety selector...	The Super Safety is alleged to be a forced reset trigger mechanism that, when installed, includes a hammer, trigger, disconnector, and a cam that forces the reset of the trigger and locks it during the cycle of operation.	¶42	col. 2:38-49
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, ... 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...	In standard semi-automatic mode, the bolt carrier's rearward movement allegedly causes the disconnector hook to catch the hammer hook, requiring the user to manually release the trigger to reset the mechanism.	¶42	col. 9:1-12
and 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, and thereafter the bolt carrier moves forward into battery, at which time the user can pull said trigger member to fire the firearm.	In forced reset mode, the cam is allegedly in a second position, and rearward bolt carrier movement causes the disconnector hook to be prevented from catching the hammer, allowing the user to fire again without a manual trigger release.	¶42	col. 9:28-53

• Identified Points of Contention:
  • Scope Questions: A potential issue may be whether the "Super Safety" selector's interaction with the disconnector meets the limitation that it "prevents" the disconnector hook from catching the hammer hook. The analysis will depend on the specific mechanics of how the accused device disables the disconnector function.
  • Technical Questions: The complaint's allegations rely on plaintiff-generated renderings of the accused product's internal operation Compl. ¶42 A key question for the court will be whether these renderings accurately depict the function of the actual "Super Safety" product and whether that function maps onto the specific sequence of events recited in claim 15 for both the "standard" and "forced reset" modes.

12,031,784 Infringement Allegations

Claim Element (from Independent Claim 1)	Alleged Infringing Functionality	Complaint Citation	Patent Citation
In a forced rest trigger mechanism, an extended trigger member locking device, comprising: a locking member that is movable between a first position... and a second position...	The Super Safety is alleged to be part of a forced reset trigger mechanism and to function as an extended trigger member locking device, with a locked and unlocked position.	¶56	col. 2:54-59
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 is alleged to have an upward extending portion (lever arm) that is actuated by the bolt carrier. Plaintiff-generated renderings depict this lever arm as a component distinct from the main body of the locking member.	¶56	col. 2:61-67

• Identified Points of Contention:
  • Scope Questions: The central dispute may turn on the construction of "upwardly extending deflectable portion that is separately movable relative to the body portion." The question will be whether the accused product's lever arm, as depicted in a plaintiff-generated rendering Compl. ¶56, meets this structural and functional definition. The patent specification describes embodiments with a "one-way hinge feature" '784 Patent, col. 2:67-68
  • Technical Questions: The complaint shows renderings of the accused device, but not its precise mechanical construction. Evidence will be needed to determine if the accused "lever arm" is indeed "separately movable" from its body (e.g., via a pivot or flexible joint as described in the patent) or if it is a unitary, rigid component that operates differently.

V. Key Claim Terms for Construction

For U.S. Patent No. 12,038,247:

• The Term: "forces said trigger member towards said set position" (Claim 15)
• Context and Importance: This term is the functional core of the "forced reset" concept. The definition of "forces" is critical to determining whether the interaction between the accused cam and trigger infringes, as it defines the required causal link for the trigger reset.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The specification uses general language, stating the cam lobe "acts upon the cam follower... to pivot the trigger member," which could suggest any action that causes the pivot '247 Patent, col. 9:18-20
  • Evidence for a Narrower Interpretation: The detailed description and figures show a direct mechanical interaction where the cam lobe (78) physically pushes the cam follower (58) to pivot the trigger member '247 Patent, Fig. 8C '247 Patent, Fig. 9C This may support an interpretation requiring direct, positive mechanical pressure.

For U.S. Patent No. 12,031,784:

• The Term: "deflectable portion that is separately movable relative to the body portion" (Claim 1)
• Context and Importance: This term captures the patent's proposed solution to adapting a forced reset trigger for different firearm platforms. Infringement will hinge on whether the accused product's lever mechanism has a part that is both "deflectable" and "separately movable."
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The summary of the invention states the extension can "deflect or fold," suggesting the term is not limited to a single type of movement '784 Patent, col. 2:49 "Separately movable" could be argued to mean any movement independent of the main body's primary locking/unlocking motion.
  • Evidence for a Narrower Interpretation: The patent's embodiments explicitly show a "foldable extension portion" that "pivots on... a transverse pivot pin relative to the locking bar body" '784 Patent, col. 3:45-48 '784 Patent, Figs. 2-4 This could support a narrower construction requiring a distinct, hinged or pivoted component, rather than mere material flexion of a unitary part.

VI. Other Allegations

• Indirect Infringement: For all asserted patents, the complaint alleges induced infringement based on Defendant's alleged acts of "installation of, encouraging, advertising, promoting, and instructing others to use and/or how to use the Super Safety" Compl. ¶43 Compl. ¶57 Compl. ¶71 Compl. ¶85 Compl. ¶99 Contributory infringement is also alleged on the basis that the components of the Super Safety are specially designed to infringe and are not suitable for substantial non-infringing use Compl. ¶45 Compl. ¶59 Compl. ¶73 Compl. ¶87 Compl. ¶101
• Willful Infringement: Willfulness is alleged for all asserted patents. The complaint pleads that Defendant had knowledge of the patents, could not have formed a reasonable belief of non-infringement or invalidity, and acted despite an objectively high likelihood of infringement Compl. ¶46 Compl. ¶60 Compl. ¶74 Compl. ¶88 Compl. ¶102

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

This litigation presents several central questions for the court, primarily revolving around claim construction and the technical operation of the accused device.

• A core issue will be one of definitional scope: For the '784 patent, can the claim term "deflectable portion that is separately movable," which is taught in the patent with a hinged embodiment, be construed to read on the specific lever-arm mechanism of the accused "Super Safety"? The case may turn on the precise mechanical nature of that lever arm and how broadly the court interprets "separately movable."
• A second key issue will be a question of operational fidelity: For the '247, '159, and '403 patents, does the accused product's cam and selector mechanism perform the functions of both the "standard semi-automatic" and "forced reset" modes in the exact sequence and manner required by the claims? The dispute will likely focus on whether the plaintiff-generated diagrams accurately reflect the product's function and if that function is legally equivalent to the claimed methods.
• Finally, the case raises an evidentiary challenge: The complaint's infringement theories are heavily reliant on "Plaintiff-generated renderings" of the accused device. A critical question will be whether discovery confirms that the actual physical product operates in the manner depicted, as any discrepancy between the simplified diagrams and the real-world mechanics could undermine the infringement allegations.