5:26-cv-01876
ABC IP LLC v. Rokc LLC
I. Executive Summary and Procedural Information
- Parties & Counsel:
- Plaintiff: ABC IP, LLC (Delaware); Rare Breed Triggers, Inc. (Texas); RBTM LLC (Wyoming)
- Defendant: ROKC LLC, d/b/a Rainier Arms (Oklahoma)
- Plaintiff's Counsel: MCAFEE & TAFT A Professional Corporation
- Case Identification: 5:26-cv-01876, W.D. Okla., 07/23/2026
- Venue Allegations: Venue is asserted on the basis that Defendant resides in the district and has a regular and established place of business there.
- Core Dispute: Plaintiffs allege that Defendant's firearm trigger mechanisms and related kits infringe five U.S. patents concerning "forced reset" trigger technology.
- Technical Context: The technology relates to aftermarket trigger mechanisms for AR-pattern semiautomatic firearms, which use the cycling of the firearm's action to mechanically reset the trigger, enabling an accelerated rate of fire.
- Key Procedural History: The complaint notes that a cease and desist letter was sent to the Defendant on July 17, 2025, specifically identifying the '247 Patent and accusing certain products of infringement, a fact that may be relevant to allegations of willful infringement.
Case Timeline
| Date | Event |
|---|---|
| 2021-11-05 | Priority Date for U.S. Patent No. 12,031,784 |
| 2022-01-10 | Priority Date for U.S. Patent No. 12,636,403 |
| 2022-09-08 | Priority Date for U.S. Patent Nos. 12,038,247 and 12,578,159 |
| 2023-12-04 | Priority Date for U.S. Patent No. 12,529,538 |
| 2024-07-09 | U.S. Patent No. 12,031,784 Issued |
| 2024-07-16 | U.S. Patent No. 12,038,247 Issued |
| 2025-07-17 | Cease and desist letter delivered to Defendant |
| 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 |
| 2026-07-23 | 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 "'247 Patent")
The Invention Explained
- Problem Addressed: The patent seeks to improve upon existing "forced reset" triggers, which increase the rate of semiautomatic fire Compl. ¶23 It notes that prior art designs had limitations, such as requiring modified bolt carriers or, in the case of one prior patent, were not fully optimized Compl. ¶24 '247 Patent, col. 1:5-2:13
- The Patented Solution: The invention is a "drop-in" trigger module for AR-pattern firearms that provides three selectable modes: safe, standard semiautomatic, and "forced reset" semiautomatic Compl. ¶24 '247 Patent, col. 2:24-31 In the forced reset mode, the rearward movement of the bolt carrier pivots a cam, which in turn forces the trigger back to its set position Compl. ¶24 '247 Patent, abstract A key aspect is the interaction with the safety selector, which, when in the forced reset position, is configured to prevent the disconnector from catching the hammer, thereby enabling the forced reset cycle Compl. ¶24 '247 Patent, col. 3:1-4:4
- Technical Importance: The technology provides a self-contained, multi-mode trigger assembly that allows for a forced reset function in standard AR-pattern firearms without requiring modification to other core components like the bolt carrier '247 Patent, col. 2:21-26
Key Claims at a Glance
- The complaint asserts independent claim 15 Compl. ¶45
- The essential elements of claim 15 include:
- A firearm trigger mechanism comprising a hammer, a trigger member, a disconnector, a cam, and a safety selector.
- The mechanism is operable in 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.
- The mechanism is also operable in a "forced reset semi-automatic mode" where rearward movement of the bolt carrier causes the cam to force the trigger member to its set position.
- In this forced reset mode, the safety selector prevents the disconnector hook from catching the hammer hook, allowing the user to fire again without manually releasing the trigger.
- The complaint reserves the right to assert other claims Compl. ¶45
U.S. Patent No. 12,031,784 - "Adapted Forced Reset Trigger"
- Issued: July 9, 2024 (the "'784 Patent")
The Invention Explained
- Problem Addressed: The patent notes that forced reset trigger mechanisms designed for one firearm platform (e.g., AR-15) may not work in another (e.g., AR-10) due to different bolt carrier dimensions. Specifically, a locking bar long enough to be actuated by an AR-10 bolt carrier would interfere with another part of the carrier as it cycles rearward '784 Patent, col. 1:21-44
- The Patented Solution: The invention is a trigger member locking device that includes a "deflectable extension" '784 Patent, abstract This extension is composed of a main body portion and an upper portion that is "separately movable" relative to the body, such as on a hinge '784 Patent, col. 1:56-65 This allows the extension to be rigid enough to be actuated by the bolt carrier upon returning to battery but also to fold or deflect out of the way to avoid interfering with the bolt carrier's rearward movement '784 Patent, col. 2:1-9
- Technical Importance: This design enables the adaptation of forced reset trigger technology to firearm platforms with different internal geometries, overcoming the interference problem posed by a simple, rigid locking bar '784 Patent, col. 1:5-12
Key Claims at a Glance
- The complaint asserts independent claim 1 Compl. ¶60
- The essential elements of claim 1 include:
- An extended trigger member locking device for a forced reset trigger mechanism.
- A locking member movable between a first (locking) and second (non-locking) position.
- The locking member has a "body portion that is movably supported."
- The locking member also has 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. ¶60
U.S. Patent No. 12,529,538 - "Safety Mechanism for Firearm"
- Issued: January 20, 2026 (the "'538 Patent")
- Technology Synopsis: The patent describes a three-mode safety mechanism for a firearm, comprising a cam selector, a lever, and a trigger Compl. ¶26 The cam selector has multiple recesses on its bottom side that interact with a tail portion of the trigger, enabling operation in a standard mode, an "active reset" mode where the cam forces the trigger down, and a safe mode that prevents the trigger from being pulled '538 Patent, abstract Compl. ¶26
- Asserted Claims: Claim 1 is asserted Compl. ¶75
- Accused Features: The complaint alleges that the "Super Safety" product infringes the '538 Patent Compl. ¶75
U.S. Patent No. 12,578,159 - "Firearm Trigger Mechanism"
- Issued: March 17, 2026 (the "'159 Patent")
- Technology Synopsis: The patent discloses a dual-mode trigger mechanism operable in a standard semiautomatic mode and a "forced reset" semiautomatic mode Compl. ¶24 Compl. ¶91 A cam, which is rotated by the cycling of the firearm's bolt, forces the trigger member to reset and prevents it from being pulled again until the action is in battery Compl. ¶24
- Asserted Claims: Claim 1 is asserted Compl. ¶89
- Accused Features: The complaint alleges that the "Super Safety" and "Atrius Selector" products infringe the '159 Patent Compl. ¶89
U.S. Patent No. 12,636,403 - "Firearm Trigger Mechanism"
- Issued: May 26, 2026 (the "'403 Patent")
- Technology Synopsis: The patent describes a trigger mechanism with a safety selector that can switch between a standard semiautomatic mode and a "forced reset" semiautomatic mode Compl. ¶27 The mechanism involves a hammer, disconnector, and trigger, with the selector determining the mode of operation '403 Patent, abstract
- Asserted Claims: Claim 38 is asserted Compl. ¶104
- Accused Features: The complaint alleges that the "Infringing Devices," which include the "Super Safety" and "Atrius Selector," infringe the '403 Patent Compl. ¶104
III. The Accused Instrumentality
- Product Identification: The complaint identifies two primary accused product lines: the "War Hammer Super Safety" (or "Super Safety") and the "Atrius Development Group Forced Reset Selector" (or "Atrius Selector") Compl. ¶30 Compl. ¶34
- Functionality and Market Context: The accused products are alleged to be firearm trigger mechanisms sold as standalone components, in kits, or pre-installed in firearms Compl. ¶31 Compl. ¶35 Their core accused functionality is providing a three-position selector that enables operation in a standard semiautomatic mode as well as a "forced reset" semiautomatic mode, where a cam mechanism is used to accelerate the trigger's reset cycle Compl. ¶33 Compl. ¶37 The complaint includes a product photograph of the "War Hammer Armaments Super Safety," showing its constituent parts, including a trigger, hammer, and selector components Compl. ¶32 Additionally, a screenshot from Defendant's website shows the "Atrius Development 3 Position Super Selektor Safety," illustrating it as a selectable component for a firearm Compl. ¶36
IV. Analysis of Infringement Allegations
'247 Patent Infringement Allegations
| Claim Element (from Independent Claim 15) | Alleged Infringing Functionality | Complaint Citation | Patent Citation |
|---|---|---|---|
| A firearm trigger mechanism comprising: a hammer having a sear catch and a hook for engaging a disconnector... | The accused Super Safety is a trigger mechanism installed with a hammer that has a sear catch and a hook for a disconnector. | ¶47 | col. 7:45-47 |
| a trigger member having a sear... | The Super Safety is installed with a trigger member that has a sear. | ¶47 | col. 7:56-57 |
| said disconnector having a hook for engaging said hammer... | The disconnector used with the Super Safety has a hook for engaging the hammer. | ¶47 | col. 7:63-64 |
| and a cam having a cam lobe... | The Super Safety itself has a cam with a cam lobe and lever. | ¶47 | col. 8:5-7 |
| said cam being movable between a first position and a second position, in said second position said cam lobe forces said trigger member towards said set position... | The cam is movable, and in its second position ("forced reset" mode), the cam lobe mechanically moves the trigger member toward the set position. A Plaintiff-generated rendering illustrates the cam in its first and second positions (Compl. ¶47). | ¶47 | col. 8:26-34 |
| whereupon in a standard semi-automatic mode, ...a user must manually release said trigger member to free said hammer from said disconnector... | In standard mode, the user must manually release the trigger to free the hammer from the disconnector. | ¶47 | col. 8:35-56 |
| whereupon in a forced reset semi-automatic mode, ...said cam is in said second position...said disconnector hook is prevented from catching said hammer hook... | In forced reset mode, the cam is in the second position, and the rearward movement of the bolt causes the disconnector hook to be prevented from catching the hammer hook. | ¶47 | col. 8:57-62 |
- Identified Points of Contention:
- Scope Questions: Claim 15 recites a "safety selector" that performs a specific function in the forced reset mode. A question for the court may be whether the accused "Super Safety" or "Atrius Selector" component is properly defined as a "safety selector" that operates in the precise manner claimed.
- Technical Questions: The claim requires a highly specific sequence of events, particularly that the safety selector "prevent[s]" the disconnector from catching the hammer in the forced reset mode. The evidentiary burden will be on the Plaintiff to demonstrate that the accused products perform this function exactly as claimed, raising the question of what level of mechanical interaction constitutes "preventing" in the context of the patent.
'784 Patent Infringement Allegations
| Claim Element (from Independent Claim 1) | Alleged Infringing Functionality | Complaint Citation | Patent Citation |
|---|---|---|---|
| In a forced reset trigger mechanism, an extended trigger member locking device, comprising: a locking member that is movable between a first position... and a second position... | The accused Super Safety functions as an extended trigger member locking device and operates as a locking member movable between a locked (first) and unlocked (second) position. | ¶62 | col. 4:1-9 |
| 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 allegedly has a movably supported body portion and a separate, upwardly extending "deflectable portion (lever arm)." The complaint cites a "dovetail connection" designed to allow separate movement of the lever arm relative to the body. A Plaintiff-generated rendering shows the travel of this portion Compl. ¶62 | ¶62 | col. 3:32-41 |
- Identified Points of Contention:
- Scope Questions: The central dispute will likely concern the term "separately movable." The question for the court will be whether the alleged "dovetail connection" of the accused Super Safety, which is described as allowing the lever to pivot "until the void is filled" before transferring torque Compl. ¶62, constitutes a portion that is "separately movable relative to the body portion" as that phrase is used in the patent.
- Technical Questions: The infringement theory relies on the accused device having two distinct, relatively moving parts within its locking member. The case may turn on evidence demonstrating the specific mechanical nature of the accused product's "lever arm" and whether its movement is functionally equivalent to the hinged, two-part construction described in the '784 Patent.
V. Key Claim Terms for Construction
For the '247 Patent
- The Term: "preventing said disconnector hook from catching said hammer hook"
- Context and Importance: This limitation defines the core functionality of the "forced reset" mode and distinguishes it from the "standard" mode. The entire purpose of the forced reset feature hinges on disabling the disconnector's ability to catch the hammer during the weapon's cycle. Practitioners may focus on this term because the method of "preventing" is the key technical differentiator claimed.
- Intrinsic Evidence for Interpretation:
- Evidence for a Broader Interpretation: The plain language "preventing" could be argued to cover any mechanism that results in the disconnector failing to catch the hammer, regardless of the specific means.
- Evidence for a Narrower Interpretation: The specification describes a "narrow semi-circular portion 116" of the safety selector that physically "prevents the disconnector 60 from pivoting," which in turn prevents the hook from catching the hammer '247 Patent, col. 8:56-62 This suggests a specific mechanical blocking action, which could support a narrower construction limited to such direct interference.
For the '784 Patent
- The Term: "separately movable"
- Context and Importance: This term is critical for defining the structure of the locking member's "deflectable portion." The patent's solution to the AR-10 interference problem relies on this portion moving independently of the main body. The dispute will likely center on what degree and type of movement qualifies as "separately movable."
- Intrinsic Evidence for Interpretation:
- Evidence for a Broader Interpretation: The claim language "separately movable relative to the body portion" could be interpreted to encompass any design where one part moves in relation to the other, including via a flexible joint or a joint with built-in play, as alleged in the complaint regarding the dovetail connection Compl. ¶62
- Evidence for a Narrower Interpretation: The patent's embodiments explicitly show a hinged construction with a distinct pivot pin (pin 24) or a coaxial pivot axis (pin 54) that facilitates this separate movement '784 Patent, col. 3:32-35 '784 Patent, col. 4:48-54 The abstract also refers to a "one-way hinge feature." This evidence may support an argument that "separately movable" requires a distinct, hinged articulation rather than mere flexibility or designed tolerance in a joint.
VI. Other Allegations
- Indirect Infringement: The complaint alleges both induced and contributory infringement for all asserted patents. Inducement is based on allegations that Defendant encourages and provides instructions for customers to install and use the accused products in an infringing manner Compl. ¶49 Compl. ¶64 Compl. ¶78 Compl. ¶93 Compl. ¶108 Contributory infringement is based on allegations that the accused components are "specially designed and adapted" for infringing use and are not suitable for substantial non-infringing use Compl. ¶51 Compl. ¶66 Compl. ¶80 Compl. ¶95 Compl. ¶110
- Willful Infringement: Willfulness is alleged for all asserted patents. The claim is supported by alleged pre-suit knowledge, at least for the '247 Patent, based on a July 2025 cease and desist letter Compl. ¶52 For all patents, Plaintiffs allege that Defendant knew or should have known of its infringement and continued its activities despite an "objectively high likelihood" that its actions constituted infringement Compl. ¶52 Compl. ¶67 Compl. ¶81 Compl. ¶96 Compl. ¶111
VII. Analyst's Conclusion: Key Questions for the Case
A central question will be one of claim construction: can the term "separately movable," rooted in the '784 patent's disclosure of a distinct hinged component, be construed to cover the accused product's alleged "dovetail joint," which reportedly allows for limited pivot before torque is transferred?
A key evidentiary issue will be one of operational sequence: does the accused "Super Safety" perform the complete and precise series of mechanical interactions between the cam, disconnector, and safety selector as required by the step-by-step limitations of claim 15 of the '247 patent, particularly concerning the allegation that the selector "prevents" the disconnector from engaging in the forced reset mode?
The case will also examine the scope of multi-mode triggers: given the assertion of five patents with overlapping technical descriptions of "forced reset" mechanisms, a significant question for the court will be to delineate the unique scope of each patent and determine whether the accused products, which offer multiple modes of operation, infringe the specific combination of features claimed in each distinct patent.