ABC IP LLC v. Wmi LLC

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: ABC IP, LLC (Delaware), Rare Breed Triggers, Inc. (Texas), and RBTM LLC (Wyoming)
  • Defendant: Wmi LLC (Missouri) and Dreyden Brooks (Missouri)
  • Plaintiff's Counsel: Stinson LLP; Wood Herron & Evans LLP; Fish & Richardson P.C.
• Case Identification: 6:26-cv-03431, W.D. Mo., 07/22/2026
• Venue Allegations: Venue is alleged to be proper because the Defendants are domiciled in, have a regular and established place of business in, and have committed alleged acts of infringement within the Western District of Missouri.
• Core Dispute: Plaintiffs allege that Defendants' firearm trigger modification products infringe five patents related to "forced reset" trigger mechanisms that increase the semi-automatic rate of fire.
• Technical Context: The technology involves aftermarket trigger mechanisms for AR-platform firearms that use the energy from a cycling bolt carrier to mechanically reset the trigger, enabling a faster rate of fire than is possible with a standard trigger reset.
• Key Procedural History: The complaint alleges that Plaintiffs have used the "FRT" trademark since at least 2020 to identify their unique trigger products, and that Defendants are using this mark to market the accused products.

Case Timeline

Date	Event
2020-01-01	Approximate date from which Plaintiffs claim use of the "FRT" mark
2021-11-05	Priority Date for '784 Patent
2022-01-10	Priority Date for '403 Patent
2022-09-08	Priority Date for '247 Patent and '159 Patent
2023-12-04	Priority Date for '538 Patent
2024-07-09	U.S. Patent No. 12,031,784 Issues
2024-07-16	U.S. Patent No. 12,038,247 Issues
2026-01-20	U.S. Patent No. 12,529,538 Issues
2026-03-17	U.S. Patent No. 12,578,159 Issues
2026-05-26	U.S. Patent No. 12,636,403 Issues
2026-07-22	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 addresses the desire among some firearm users to increase the rate of semi-automatic fire. It notes that prior art methods, such as those that require a modified bolt carrier, present limitations. '247 Patent, col. 1:55-68
• The Patented Solution: The patent describes a "drop-in" trigger mechanism for AR-pattern firearms that includes a multi-position safety selector. This selector allows the user to choose between a "safe" position, a "standard semi-automatic" position, and a "forced reset semi-automatic" position. In the "forced reset" mode, the rearward movement of the firearm's bolt carrier during the firing cycle pivots a cam, which in turn forces the trigger member back to its set position. This mechanical reset allows the user to fire the next round without having to manually release the trigger, enabling a more rapid firing sequence. '247 Patent, abstract '247 Patent, col. 2:18-68
• Technical Importance: The invention provides a method for achieving a rapid rate of semi-automatic fire through a modular, "drop-in" assembly, which can be retrofitted into standard firearms without requiring permanent modification of other core components like the bolt carrier. '247 Patent, col. 2:25-30

Key Claims at a Glance

• The complaint asserts independent claim 15 Compl. ¶45 Plaintiffs reserve the right to assert additional claims.
• The essential elements of independent claim 15 include:
  • A firearm trigger mechanism comprising: a hammer, a trigger member, a disconnector, and a cam.
  • The mechanism is operable in a "standard semi-automatic mode" where, after firing, the disconnector catches the hammer, and a user must manually release the trigger to reset the mechanism.
  • The mechanism is also operable in a "forced reset semi-automatic mode" where the cam forces the trigger member to the set position, and the disconnector hook is prevented from catching the hammer, allowing the user to fire again without manually releasing the trigger.

U.S. Patent No. 12,031,784 - "Adapted Forced Reset Trigger"

Issued July 9, 2024

The Invention Explained

• Problem Addressed: The patent identifies a compatibility issue when using forced reset triggers designed for AR-15 platforms in AR-10 platforms. Due to different dimensions, a locking member tall enough to be actuated by an AR-10 bolt carrier would physically interfere with the forward portion of the same bolt carrier as it cycles to the rear, rendering the device inoperable. '784 Patent, col. 1:20-44
• The Patented Solution: The invention is an extended trigger locking device featuring a "deflectable portion." This upwardly-extending portion is long enough to make contact with the bolt carrier to perform its locking/unlocking function. However, it is also designed to "deflect or fold" out of the way when the lower surface of the bolt carrier passes over it during the rearward part of the firing cycle. This design avoids interference while maintaining functionality across platforms with different geometries. '784 Patent, abstract '784 Patent, col. 2:2-9
• Technical Importance: This design overcomes geometric limitations of prior art, enabling a forced reset trigger mechanism to be compatible with multiple, varied semi-automatic firearm designs, such as both AR-15 and AR-10 platforms. '784 Patent, col. 1:5-12 '784 Patent, col. 1:28-31

Key Claims at a Glance

• The complaint asserts independent claim 1 Compl. ¶60 Plaintiffs reserve the right to assert additional claims.
• The essential elements of independent claim 1 include:
  • An extended trigger member locking device comprising a locking member movable between a first (locked) and second (unlocked) position.
  • The locking member has a movably supported "body portion."
  • The locking member also has an "upwardly extending deflectable portion" that is "separately movable" relative to the body portion between an extended and a deflected position.

U.S. Patent No. 12,529,538 - "Safety Mechanism for Firearm"

• Patent Identification: U.S. Patent No. 12,529,538, "Safety Mechanism for Firearm," issued January 20, 2026.
• Technology Synopsis: This patent describes a safety mechanism comprising a cam selector, a lever, and a trigger. The cam selector has multiple recesses on its bottom side that interact with a tail portion of the trigger. This interaction allows for operation in three distinct modes: a standard semi-automatic mode, an "active reset" mode where the cam forces the trigger to reset, and a safe mode that prevents the trigger from being pulled. '538 Patent, abstract Compl. ¶26
• Asserted Claims: Independent claim 1 Compl. ¶75
• Accused Features: The "Super Safety" product Compl. ¶75

U.S. Patent No. 12,578,159 - "Firearm Trigger Mechanism"

• Patent Identification: U.S. Patent No. 12,578,159, "Firearm Trigger Mechanism," issued March 17, 2026.
• Technology Synopsis: This patent discloses a trigger mechanism operable in two modes: a standard semi-automatic mode and a "forced reset" semi-automatic mode. In the forced reset mode, the cycling of a reciprocating bolt means causes a cam to mechanically force the trigger member toward its set position, while a safety selector prevents the disconnector from catching the hammer. This allows the user to fire again without first manually releasing pressure on the trigger. '159 Patent, abstract Compl. ¶¶24, 27
• Asserted Claims: Independent claim 1 Compl. ¶89
• Accused Features: The "Super Safety" and "Atrius Selector" products Compl. ¶89

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.
• Technology Synopsis: This patent describes a forced reset trigger mechanism with a safety selector movable between a standard semi-automatic position and a forced reset position. In the standard mode, the user must reduce pressure on the trigger to fire again. In the forced reset mode, rearward movement of the bolt carrier forces the trigger to the set position, allowing the user to fire again without releasing the trigger. The mechanism also includes a locking member to prevent the trigger from being pulled before the bolt carrier is fully in battery. '403 Patent, abstract Compl. ¶27
• Asserted Claims: Independent claim 38 Compl. ¶104
• Accused Features: The "Infringing Devices," which collectively include the Super Safety and Atrius Selector Compl. ¶¶29, 104

III. The Accused Instrumentality

Product Identification

• The complaint identifies the accused instrumentalities as the "(3-Position) Super Safety" and the "(3-Position) Atrius Forced Reset Selector" Compl. ¶¶30, 34

Functionality and Market Context

• The complaint alleges Defendants manufacture and sell these products as kits or standalone components through the website "wisemanindustry.com" Compl. ¶¶31, 35
• The "Super Safety" is described as a partial kit including "cam and cam lever components" that, when installed with standard AR-pattern parts, allegedly creates the infringing trigger mechanism Compl. ¶31 The complaint provides a plaintiff-generated rendering of the accused Super Safety's components installed in a firearm receiver, illustrating how the parts allegedly interact Compl. p.16
• The "Atrius Selector" is described as a "Forced Reset Selector" that replaces a standard safety selector to provide multiple operating modes, including a "disconnector mode" (standard semi-automatic) and a "forced reset" mode Compl. ¶¶34, 37
• The complaint alleges that Defendants market these products using Plaintiffs' "FRT" (Forced Reset Trigger) trademark, thereby creating a false association and trading on Plaintiffs' goodwill Compl. ¶¶40-43 A screenshot from the Defendants' website shows the "Super Selector" product described as an "FRT" with "3 position standard controls" Compl. p.12

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... a trigger member having a sear... a disconnector having a hook... and a cam having a cam lobe...	The accused Super Safety and Atrius Selector are alleged to be part of a trigger mechanism that, when installed with standard components, functions as a cam to reset and lock the trigger.	¶47; ¶48	col. 13:42-61
whereupon in a standard semi-automatic mode, 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...	In standard mode, the rearward motion of the bolt carrier is alleged to cause the disconnector (orange) to catch the hammer (red), requiring the user to manually release the trigger (brown) to reset the mechanism for the next shot.	¶47; ¶48	col. 14:4-21
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... at which time the user can pull said trigger member to fire the firearm.	In forced reset mode, the cam is alleged to be in a position where it mechanically resets the trigger. The disconnector hook is allegedly prevented from catching the hammer, allowing the user to fire again without first releasing the trigger. A plaintiff-generated rendering illustrates the alleged prevention of the disconnector hook from catching the hammer hook (Compl. p.23).	¶47; ¶48	col. 14:22-43

'784 Patent 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 accused Super Safety is alleged to be a locking member in a forced reset trigger mechanism that moves between a locked first position and an unlocked second position.	¶62; ¶63	col. 5:11-20
and including a generally upward extension portion configured to make actuating contact with a surface of a bolt carrier...	The Super Safety is alleged to have an upward extending lever arm configured to make actuating contact with the bolt carrier's surface.	¶62; ¶63	col. 5:21-24
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 a body portion and an upwardly extending, "deflectable" lever arm. The complaint asserts a dovetail joint allows this lever arm to move separately from the body portion, showing its extended and deflected positions in a diagram (Compl. pp. 42-43).	¶62; ¶63	col. 6:2-9

Identified Points of Contention

• Scope Questions: A primary issue may be whether the accused products-which appear to be modified safety selectors-constitute the "cam" as claimed in the '247 Patent. The defense may argue that the claimed "cam" and "safety selector" are distinct components, while Plaintiffs will likely argue the accused products integrate both functions into a single part that meets the claim limitations.
• Technical Questions: For the '784 Patent, a central technical question will be whether the "dovetail joint" alleged in the accused Super Safety Compl. p.43 allows the lever arm to be "separately movable" and "deflectable" in the manner required by claim 1. The analysis will likely focus on whether the structure and operation of the dovetail joint in the accused product correspond to the hinged structures described and claimed in the patent.

V. Key Claim Terms for Construction

For the '247 Patent

• The Term: "cam"
• Context and Importance: The "cam" is the central component that enables the "forced reset" mode by interacting with the bolt carrier and trigger member. The definition of this term is critical because the accused products are described as modified safety selectors, and infringement will depend on whether they fall within the scope of the claimed "cam."
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The claims provide a functional definition, describing the cam as being "pivotable between a first position... and a second position" where its "cam lobe forces said trigger member towards said set position" '247 Patent, col. 13:54-61 This functional language may support an interpretation that covers any component performing this action, regardless of its integration with a safety selector.
  • Evidence for a Narrower Interpretation: The detailed description and figures of the '247 Patent depict the cam (e.g., Fig. 3, element 72) and the safety selector (e.g., Fig. 3, element 110) as structurally distinct components. Parties may argue that this context suggests the term "cam" should be construed as a component separate from the safety selector.

For the '784 Patent

• The Term: "separately movable"
• Context and Importance: This term defines the key feature of the '784 patent: the ability of the upward extension to move independently of the main body to avoid interference with a cycling bolt carrier. Whether the accused device's lever arm is "separately movable" from its body portion is a dispositive question for infringement.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The specification states the extension can "deflect or fold" '784 Patent, col. 2:7 and that it pivots "without displacing the locking bar body" '784 Patent, col. 3:30-32 This functional description could be argued to encompass any mechanism, including the alleged dovetail joint, that allows independent motion to avoid interference.
  • Evidence for a Narrower Interpretation: The patent explicitly illustrates two embodiments: one with a distinct pivot pin for the extension '784 Patent, Fig. 2 and another with a different hinge '784 Patent, Figs. 8-10 A party may argue that "separately movable" should be limited to these specific types of hinged or pivoted connections, raising the question of whether the accused product's alleged "dovetail joint" falls within that scope.

VI. Other Allegations

• Indirect Infringement: The complaint alleges both induced and contributory infringement. The inducement allegation is based on Defendants allegedly "encouraging, advertising, promoting, and instructing others to use" the accused products, including through instructional guides like the "Super Safety Guide" Compl. ¶49 Compl. p.16 The contributory infringement allegation is based on the assertion that the accused components are not suitable for substantial non-infringing use, as they are "specially designed and adapted" to create the allegedly infringing reset mechanism Compl. ¶51
• Willful Infringement: The complaint alleges that Defendants have known or should have known that their actions constitute infringement, at least since the date of service of the complaint Compl. ¶52 It further alleges that Defendants' use of Plaintiffs' "FRT" trademark is an attempt to "trade on the goodwill Plaintiffs have developed," which may suggest pre-suit knowledge and an intent to copy Compl. ¶43

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

• A core issue will be one of functional equivalence: does the operation of the accused "Super Safety" and "Atrius Selector" correspond to the specific mechanics claimed in the patents, particularly concerning the interaction between the cam, trigger, and disconnector in the "forced reset" mode? The court will have to determine if the alleged prevention of the disconnector from catching the hammer (a key negative limitation) actually occurs in the accused devices.
• A second key issue will be one of definitional scope: can the term "separately movable deflectable portion," which is taught in the '784 patent via specific hinged embodiments, be construed to cover the "dovetail joint" design allegedly used in the accused products to solve the same cross-platform compatibility problem?
• A significant question regarding damages and intent will be the link between patent and trademark allegations: does Defendants' alleged use of the "FRT" trademark in marketing their products provide evidence of willful patent infringement by suggesting an intent to copy Plaintiffs' entire product ecosystem, or will the court treat the intellectual property claims as separate and distinct issues?