DCT
2:26-cv-03290
ABC IP LLC v. GSG Mfg LLC
Key Events
Complaint
Table of Contents
complaint Intelligence
I. Executive Summary and Procedural Information
- Parties & Counsel:
- Plaintiff: ABC IP, LLC (Delaware); Rare Breed Triggers, Inc. (Texas); and RBTM LLC (Wyoming)
- Defendant: GSG MFG LLC d/b/a GREY SUMMIT GEAR; and CHEESE FINGER TACTICAL (Washington)
- Plaintiff’s Counsel: Corr Cronin LLP
- Case Identification: ABC IP, LLC v. GSG MFG LLC, 2:26-cv-03290, W.D. Wash., 09/14/2026
- Venue Allegations: Venue is alleged to be proper in the Western District of Washington because the Defendant resides in the district, has committed acts of infringement there, and maintains a regular and established place of business in the district.
- Core Dispute: Plaintiffs allege that Defendant’s "Super Safety" and "Kabuto" firearm trigger modification kits infringe five U.S. patents related to "forced reset" trigger mechanisms, and also infringe Plaintiffs' "FRT" trademark.
- Technical Context: The technology concerns aftermarket trigger mechanisms for semi-automatic firearms, such as the AR-15 platform, designed to increase the potential rate of fire by mechanically resetting the trigger using the force from the firearm's cycling action.
- Key Procedural History: The complaint does not specify any prior litigation, Inter Partes Review (IPR) proceedings, or other significant procedural history related to the Asserted Patents.
Case Timeline
| Date | Event |
|---|---|
| 2020-01-01 (approx.) | Plaintiffs begin use of FRT® trademark |
| 2021-11-05 | Priority Date for ’784 Patent |
| 2022-01-10 | Priority Date for ’403 Patent |
| 2022-09-08 | Priority Date for ’247 Patent |
| 2022-09-08 | Priority Date for ’159 Patent |
| 2023-12-04 | Priority Date for ’538 Patent |
| 2024-07-09 | ’784 Patent Issued |
| 2024-07-16 | ’247 Patent Issued |
| 2026-01-20 | ’538 Patent Issued |
| 2026-03-17 | ’159 Patent Issued |
| 2026-05-26 | ’403 Patent Issued |
| 2026-09-14 | Complaint Filed |
II. Technology and Patent(s)-in-Suit Analysis
U.S. Patent No. 12,038,247 - "Firearm Trigger Mechanism"
The Invention Explained
- Problem Addressed: The patent addresses the desire among some firearm users to increase the rate of semi-automatic fire beyond what is typically possible with a standard trigger mechanism Compl. ¶¶20-21 Standard mechanisms require a shooter to manually release and reset the trigger after each shot, a process limited by human dexterity Compl. ¶21 Prior art methods to accelerate firing, such as "bump firing," are described as having usability drawbacks, while other mechanical solutions required modification of core firearm components like the bolt carrier Compl. ¶23 ’247 Patent, col. 1:38-64
- The Patented Solution: The invention is a trigger mechanism, often constructed as a "drop-in" module, that uses a cam and a multi-position safety selector to offer both a standard semi-automatic mode and a "forced reset" mode ’247 Patent, col. 1:25-29 In the "forced reset" mode, the rearward movement of the firearm's bolt carrier pivots the cam, which in turn mechanically forces the trigger back to its reset position ’247 Patent, abstract This action, combined with a safety selector that prevents the disconnector from catching the hammer, allows the user to fire another round immediately upon the action returning to battery, without needing to manually release the trigger Compl. ¶22 ’247 Patent, col. 2:1-14
- Technical Importance: The technology purports to enable a rapid rate of fire in a semi-automatic platform through a drop-in trigger module that does not require modification to other standard components, such as the bolt carrier ’247 Patent, col. 1:25-29
Key Claims at a Glance
- The complaint asserts independent claim 15 Compl. ¶¶45-48
- 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 cam is movable between a first position and a second position, where in the second position a "cam lobe forces said trigger member towards said set position."
- The mechanism has a "standard semi-automatic mode" where the disconnector hook catches the hammer hook, requiring a manual release of the trigger to fire again.
- The mechanism has a "forced reset semi-automatic mode" where the cam forces the trigger to its set position, the safety selector prevents the disconnector from catching the hammer, and the user can fire again "without manually releasing said trigger member."
- The complaint alleges infringement of claim 15, but reserves the right to assert other claims Compl. ¶¶45-46
U.S. Patent No. 12,031,784 - "Adapted Forced Reset Trigger"
The Invention Explained
- Problem Addressed: The complaint suggests that prior art forced reset triggers may have geometric limitations that prevent them from being compatible with multiple, varied firearm designs Compl. ¶24 The patent background explains that a locking member designed for one firearm pattern (e.g., an AR-15) may be too short to be actuated by the bolt carrier of another pattern (e.g., an AR-10), but if extended, it could interfere with the bolt carrier's movement during its cycle ’784 Patent, col. 1:20-44
- The Patented Solution: The invention is an extended trigger member locking device that includes a "deflectable" or "separately movable" upward extension ’784 Patent, abstract Compl. ¶24 This extension is designed to be actuated by the bolt carrier to unlock the trigger, but it can also fold or deflect out of the way when contacted by a different part of the bolt carrier during its rearward cycle, thus avoiding interference ’784 Patent, col. 2:1-10 This "one-way hinge feature" allows the locking member to be actuated in one direction but give way in another ’784 Patent, col. 2:65-68
- Technical Importance: This design claims to overcome the geometric constraints of prior art, enabling a single forced-reset trigger mechanism to be compatible across different semi-automatic firearm platforms with varying dimensions Compl. ¶24
Key Claims at a Glance
- The complaint asserts independent claim 1 Compl. ¶¶60-63
- Essential elements of claim 1 include:
- In a forced reset trigger mechanism, an extended trigger member locking device.
- A locking member movable between a first (locking) position and a second (unrestricted) position.
- The locking member includes a "movably supported" 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."
- Actuating contact with a surface of a bolt carrier causes the locking member to move from the first to the second position.
- The complaint alleges infringement of claim 1 and reserves the right to assert other claims Compl. ¶¶60-61
U.S. Patent No. 12,529,538 - "Safety Mechanism for Firearm"
- Technology Synopsis: The patent describes a safety mechanism for a firearm that uses a multi-mode cam selector, a lever, and a trigger Compl. ¶25 The cam selector has multiple recesses and is configured to operate in three modes: a standard semi-automatic mode, an "active reset" mode where a cam portion moves the trigger tail down, and a safe mode that prevents the trigger from being pulled ’538 Patent, abstract Compl. ¶25
- Asserted Claims: The complaint asserts infringement of at least claim 1 Compl. ¶75
- Accused Features: The "Super Safety" device is alleged to infringe by embodying a safety mechanism with a multi-mode cam selector for selecting between safe, active reset, and passive reset modes (Compl. ¶¶30; 74).
U.S. Patent No. 12,578,159
- Technology Synopsis: This patent discloses a "forced reset" trigger mechanism that can be selected to operate in either a standard semi-automatic mode or a forced reset mode Compl. ¶23 It uses a cam, rotated by the cycling of the firearm's action, to mechanically reset the trigger and to prevent the trigger from being pulled again until the action has returned to the in-battery position Compl. ¶23
- Asserted Claims: The complaint asserts infringement of at least claim 1 Compl. ¶89
- Accused Features: Both the "Super Safety" and "Kabuto" devices are accused of infringing by allegedly incorporating a selectable dual-mode (standard and forced reset) trigger mechanism (Compl. ¶¶33; 37; 89).
U.S. Patent No. 12,636,403
- Technology Synopsis: The patent describes a trigger mechanism that can operate in two distinct modes: a standard disconnector semi-automatic mode and a "forced reset" semi-automatic mode Compl. ¶27 The complaint suggests this patent covers a device similar in operation to those described in the other asserted patents Compl. ¶27
- Asserted Claims: The complaint asserts infringement of at least claims 38 and 54 Compl. ¶104
- Accused Features: The "Super Safety" and "Kabuto" devices are accused of infringing the '403 Patent Compl. ¶104
III. The Accused Instrumentality
Product Identification
- The accused instrumentalities are the "Super Safety" and "Kabuto" devices (Compl. ¶¶30; 34).
Functionality and Market Context
- The Defendant’s products are described as aftermarket trigger mechanisms for AR-pattern firearms, sold as partial kits, complete kits, or pre-installed in firearms or receivers (Compl. ¶31). The complaint alleges these devices embody the technology of the Asserted Patents, providing a "forced reset" capability that accelerates the potential rate of fire (Compl. ¶¶29-30; 34).
- The complaint alleges the devices can be switched between a "standard semiautomatic with disconnector" mode and a "'forced reset' semiautomatic with cam modes" by moving a safety selector (Compl. ¶¶33; 37). The complaint includes a photograph from Defendant's website showing an installation guide for the "Super Safety" inside the lower receiver of an AR-15 style firearm Compl. p. 46 Defendant's product pages, referenced in the complaint, show various kits including a "DIY SCS Super Safety - Parts Kit" and a "Kabuto Drop-in FRT" Compl. pp. 9-11
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 Super Safety and Kabuto are installed in a fire control mechanism pocket with a hammer that has a sear catch and a hook for engaging a disconnector. | ¶47; ¶48 | col. 2:10-15 |
| a trigger member having a sear and adapted to be mounted in the fire control mechanism pocket to pivot... | The products are installed with a trigger member that has a sear and pivots on a transverse axis. | ¶47; ¶48 | col. 2:15-21 |
| a disconnector having a hook for engaging said hammer... | The products are used with a disconnector that has a hook for engaging the hammer. | ¶47; ¶48 | col. 2:21-24 |
| a cam having a cam lobe and adapted to be movably mounted in the fire control mechanism pocket... | The Super Safety and Kabuto are alleged to be or include a cam with a cam lobe that is movably mounted in the fire control pocket. | ¶47; ¶48 | col. 2:24-27 |
| 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 alleged to be movable between two positions, where in the second ("forced reset") position, the cam lobe mechanically moves the trigger member toward its set position. | ¶47; ¶48 | col. 2:48-54 |
| whereupon in a standard semi-automatic mode...said disconnector hook catches said hammer hook...a user must manually release said trigger member to free said hammer... | In standard semi-automatic mode, rearward movement of the bolt carrier causes the disconnector hook to catch the hammer hook, requiring a manual release of the trigger to fire again. | ¶47; ¶48 | col. 2:55-65 |
| whereupon in a forced reset semi-automatic mode...said cam lobe forces said trigger member to said set position, said safety selector preventing said disconnector hook from catching said hammer hook...the user can pull said trigger member to fire the firearm without manually releasing said trigger member. | In "forced reset" mode, the cam allegedly forces the trigger to the set position, the disconnector hook is prevented from catching the hammer, and the user can fire again without a manual trigger release. | ¶47; ¶48 | col. 3:1-11 |
'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 Super Safety and Kabuto are alleged to be extended trigger member locking devices that operate as a locking member movable between a locked first position and an unlocked second position. | ¶62; ¶63 | col. 2:13-20 |
| the locking member configured to be movably supported by a frame and including a generally upward extension portion configured to make actuating contact with a surface of a bolt carrier, | The accused devices are allegedly supported by the firearm's frame (lower receiver) and have an upward extending portion ("lever arm") configured to make contact with a surface of the bolt carrier. | ¶62; ¶63 | col. 2:20-25 |
| 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 complaint alleges the Super Safety has a body portion supported by the receiver and a separately movable, deflectable "lever arm." The complaint points to a "dovetail joint" described in Defendant's guide as evidence of this separate movement. | ¶62 | col. 2:63-68 |
- Identified Points of Contention:
- Functional Operation: For the ’247 Patent, a central technical question will be whether the accused devices perform the precise, multi-step functions required by the claims. This includes not only the cam forcing the trigger to reset, but also the safety selector's alleged role in "preventing the disconnector hook from catching the hammer hook" in the forced reset mode. The evidence presented in the complaint's diagrams Compl. p. 32 will be scrutinized to determine if the operation aligns with the claim language.
- Structural Interpretation: For the ’784 Patent, the dispute may center on the interpretation of "separately movable." The complaint alleges the "dovetail joint" in the Super Safety allows its lever arm to move independently of the main body Compl. p. 57 A point of contention may be whether this mechanism constitutes a "separately movable" portion as claimed, or if it is functionally and structurally distinct from the hinged embodiment described in the patent ’784 Patent, FIG. 7-8
- System vs. Component: The accused products are sold as kits (Compl. ¶31). An issue may arise as to whether the sale of a kit, which must be combined with a customer's firearm, constitutes direct infringement by the Defendant, or if the allegations primarily rest on theories of indirect (induced or contributory) infringement.
V. Key Claim Terms for Construction
For the ’247 Patent:
- The Term: "forces said trigger member towards said set position" (from claim 15)
- Context and Importance: This phrase is the essence of the "forced reset" concept. The construction of "forces" will be critical. The question is what degree and type of mechanical action satisfy this limitation. Practitioners may focus on this term to dispute whether the interaction in the accused devices is a direct "forcing" action as required by the claim or a more indirect influence.
- Intrinsic Evidence for Interpretation:
- Evidence for a Broader Interpretation: The abstract uses the general phrase "forces the trigger member towards the set position," which could suggest any mechanical action initiated by the cam that results in the trigger resetting ’247 Patent, abstract
- Evidence for a Narrower Interpretation: The detailed description and figures illustrate a specific embodiment where the "cam lobe acts upon the cam follower... to the pivot trigger member" (’247 Patent, col. 9:50-52; FIG. 9C). This could support an interpretation requiring a direct, positive mechanical linkage that pushes or pivots the trigger.
For the ’784 Patent:
- The Term: "separately movable" (from claim 1)
- Context and Importance: This term is key to the patent's purported novelty over prior art that was limited by firearm geometry. The case may turn on whether the alleged "dovetail joint" of the accused Super Safety Compl. p. 58 allows for movement that is "separate" from the main body of the locking member.
- Intrinsic Evidence for Interpretation:
- Evidence for a Broader Interpretation: The patent states the purpose is to "deflect or fold separately" to avoid interference, suggesting that any form of independent yielding, including flexion, could be considered "separately movable." ’784 Patent, col. 1:8-11
- Evidence for a Narrower Interpretation: The figures and associated description detail a distinct, hinged embodiment where the deflectable portion "pivots... on the pivot pin" relative to the body (’784 Patent, col. 3:40-45; FIG. 2). This may support a narrower construction requiring an articulated joint, as opposed to mere material flexibility or a loose-fitting joint. The complaint's reference to a "dovetail joint" in the accused device's guide Compl. p. 58 raises the question of whether such a joint provides the claimed "separate" movement.
VI. Other Allegations
- Indirect Infringement: The complaint alleges both induced and contributory infringement for all asserted patents. For inducement, it alleges Defendant took active steps to encourage infringement by providing promotional materials and installation guides on its websites that instruct customers on how to install and use the accused devices in an infringing manner (Compl. ¶¶49; 64; 78; 93; 109). For contributory infringement, it alleges the components of the Super Safety and Kabuto "are not suitable for substantial noninfringing use as they are specially designed and adapted to be used in a fire control unit to mechanically reset a trigger mechanism" (Compl. ¶¶51; 66; 80; 95; 111).
- Willful Infringement: The complaint alleges that Defendant's infringement was and is willful, asserting that Defendant engaged in "egregious infringement behavior with knowledge of the [Asserted Patents]" and "has known or should have known that its actions constituted... infringement" (Compl. ¶¶52; 67; 81; 96; 112). The pleading is based on alleged knowledge of the patents and the objectively high likelihood of infringement.
VII. Analyst’s Conclusion: Key Questions for the Case
- A primary issue will be one of technical and functional equivalence: Do the accused "Super Safety" and "Kabuto" devices, which are sold as modification kits, operate in a manner that maps onto the specific sequence of mechanical interactions between the hammer, trigger, disconnector, and cam as recited in the asserted claims, particularly claim 15 of the '247 patent? The plaintiff-generated, color-coded diagrams suggest a direct mapping, but the actual operation will be a key point of contention.
- A second core issue will be one of definitional scope, central to the '784 patent: Can the claim term "separately movable," used to describe the deflectable part of a trigger locking device, be construed to cover the "dovetail joint" mechanism allegedly present in the accused products, or is its meaning confined to a more distinct, articulated pivot as depicted in the patent's own figures?
- A third question will concern indirect infringement and willfulness: Given that the accused products are sold as kits and Defendant provides detailed installation and functional guides, a key legal battle may focus on whether these actions constitute inducement to infringe, and whether Defendant's conduct rises to the level of willfulness, potentially leading to enhanced damages.
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