ABC IP LLC v. 80mills LLC

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: ABC IP, LLC (Delaware) and RARE BREED TRIGGERS, INC. (Texas)
  • Defendant: 80MILLS LLC, d/b/a TACTICAL TITAN SUPPLY (Wyoming) and Pearson Gardner (individual)
  • Plaintiff's Counsel: Fish & Richardson P.C.
• Case Identification: 4:26-cv-00380, E.D. Tex., 05/26/2026
• Venue Allegations: Venue is alleged to be proper in the Eastern District of Texas because Defendants reside in and/or have a regular and established place of business within the district.
• Core Dispute: Plaintiffs allege that Defendants' "Super Safety" line of firearm trigger modification products infringes five U.S. patents related to "forced reset" trigger mechanisms designed to increase the rate of fire in semi-automatic firearms.
• Technical Context: The technology at issue involves mechanical modifications to the fire control group of semi-automatic firearms, such as the AR-15 platform, to enable a faster trigger reset by using the energy from the cycling bolt carrier.
• Key Procedural History: This Fourth Amended Complaint is part of a multi-district litigation (MDL 3176). Plaintiffs allege sending a cease and desist letter to Defendants on March 31, 2025, providing pre-suit notice of infringement of at least the '247 Patent.

Case Timeline

Date	Event
2021-11-05	'784 Patent Priority Date
2022-01-10	'403 Patent Priority Date
2022-09-08	'247 Patent Priority Date
2023-12-04	'538 Patent Priority Date
2024-07-09	'784 Patent Issue Date
2024-07-16	'247 Patent Issue Date
2025-03-31	Cease and Desist Letter sent to Tactical Titan Supply
2026-01-20	'538 Patent Issue Date
2026-03-17	'159 Patent Issue Date
2026-05-26	'403 Patent Issue Date
2026-05-26	Complaint Filing Date

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

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

The Invention Explained

• Problem Addressed: In a standard semi-automatic firearm, the rate of fire is limited by the need for the user to manually release the trigger to reset the mechanism for the next shot Compl. ¶¶22-23 The disconnector prevents unintended multiple rounds from a single trigger pull but also dictates this manual reset requirement Compl. ¶23
• The Patented Solution: The '247 Patent discloses a trigger mechanism with a three-position selector: safe, standard semi-automatic, and "forced reset" semi-automatic '247 Patent, abstract In the "forced reset" mode, the rearward movement of the firearm's bolt carrier pivots a cam, which in turn mechanically forces the trigger member back to its set position '247 Patent, abstract Compl. ¶25 This obviates the need for the user to manually release the trigger, thereby enabling a more rapid firing sequence '247 Patent, col. 3:1-11
• Technical Importance: The invention provides a method to significantly accelerate the rate of semi-automatic fire through a purely mechanical process that is selectable by the user.

Key Claims at a Glance

• The complaint asserts independent Claim 15 Compl. ¶38
• 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 position" where the user must manually release the trigger to free the hammer from the disconnector.
  • The mechanism is also operable in a "forced reset semi-automatic position" where the cam forces the trigger to its set position and the safety selector prevents the disconnector from catching the hammer.
• The complaint alleges infringement of at least Claim 15 and reserves the right to assert other claims Compl. ¶36

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

The Invention Explained

• Problem Addressed: The patent's background explains that prior forced reset trigger designs were optimized for specific firearm geometries, like the AR-15. In other platforms (e.g., the AR-10), dimensional differences mean a locking bar designed for an AR-15 would be too short to be actuated by the bolt carrier, while simply lengthening it would cause it to interfere with other parts of the carrier during its cycle '784 Patent, col. 1:21-44
• The Patented Solution: The patent describes a locking device featuring a "deflectable extension" '784 Patent, abstract Compl. ¶26 This extension is part of a locking member and is "separately movable relative to the body portion," for instance via a one-way hinge '784 Patent, col. 2:4-10 '784 Patent, col. 2:62-65 This design allows the extension to be long enough to engage the bolt carrier upon its return to battery but also fold or deflect out of the way to avoid interfering with the carrier's forward section as it cycles rearward '784 Patent, col. 4:26-36
• Technical Importance: This innovation allows the forced reset trigger concept to be adapted to a wider variety of firearms with different internal dimensions and geometries.

Key Claims at a Glance

• The complaint asserts independent Claim 1 Compl. ¶52
• 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 (locked) and second (unlocked) position.
  • The locking member has a "body portion" that is movably supported and an "upwardly extending deflectable portion that is separately movable relative to the body portion."
• The complaint alleges infringement of at least Claim 1 and reserves the right to assert other claims Compl. ¶50

U.S. Patent No. 12,529,538 - "Safety Mechanism for Firearm," issued January 20, 2026 ('538 Patent)

• Technology Synopsis: The '538 Patent describes a safety mechanism comprising a cam selector, a lever, and a trigger, operable in three distinct modes. The cam selector has different recesses that interact with a trigger tail; a first recess allows standard semi-automatic operation, a second recess engages the trigger tail for an "active reset" mode, and a third configuration acts as a safe, preventing the trigger from being pulled Compl. ¶27 '538 Patent, abstract
• Asserted Claims: Claim 1 Compl. ¶66
• Accused Features: The "Super Safety" product, specifically its cam selector, lever, and trigger, which are alleged to embody the claimed three-mode safety mechanism Compl. ¶64 Compl. ¶66

U.S. Patent ending in '159, Title Not Provided, issued March 17, 2026 ('159 Patent)

(Note: The full patent number and document were not provided; analysis is based solely on the complaint's allegations.)

• Technology Synopsis: The complaint describes the '159 Patent as disclosing a device to accelerate a firearm's firing sequence with selectable modes. It can operate in a standard semi-automatic mode or a "forced reset" semi-automatic mode, where a cam rotated by the action's cycling resets the trigger member Compl. ¶25 The allegations suggest this patent is closely related in function to the '247 Patent.
• Asserted Claims: Claim 1 Compl. ¶80
• Accused Features: The dual-mode (standard and "forced reset") functionality of the "Super Safety" product as a whole Compl. ¶78 Compl. ¶80

U.S. Patent No. 12,636,403 - "Firearm Trigger Mechanism," issued May 26, 2026 ('403 Patent)

• Technology Synopsis: The '403 Patent claims a device with two distinct, selectable modes: a standard disconnector semi-automatic mode and a "forced reset" semi-automatic mode. The invention is described as using hammer contact with the trigger member, caused by the cycling of the action, to mechanically reset both components Compl. ¶28 The patent claims focus on the combination of a hammer, disconnector, trigger member, and a safety selector movable between the two modes '403 Patent, claim 38
• Asserted Claims: Claim 38 Compl. ¶94
• Accused Features: The "Super Safety" product, particularly its safety selector that allegedly enables operation in both a standard and a "forced reset" semi-automatic mode Compl. ¶92 Compl. ¶94

III. The Accused Instrumentality

Product Identification

The accused products are the "Super Safety" (3 Position) trigger mechanism and associated products, including the "Super Safety Cam Kit - CPM10V/A2" and the "Super Safety Fire Control Group (FCG) Completion Kit" Compl. ¶30 Compl. ¶32 Compl. ¶34

Functionality and Market Context

The "Super Safety" is an aftermarket kit for AR-pattern firearms that replaces the standard safety selector with a new cam, cam lever, and specially cut trigger Compl. ¶32 The complaint alleges this system provides the user with three selectable modes of operation: a safe mode, a standard semi-automatic mode ("disconnector mode"), and a "forced reset" semi-automatic mode Compl. ¶35 In the "forced reset" mode, the mechanism allegedly uses the cycling of the firearm's bolt to mechanically reset the trigger, allowing for a rapid rate of fire without the user needing to manually release the trigger between shots Compl. ¶24 Defendants are alleged to market and sell the products through the Tactical Titan Supply website and social media pages Compl. ¶31 An exemplary photograph from the accused seller's website shows kit components for sale Compl. ¶7

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...	The Super Safety is alleged to be installed in a fire control mechanism pocket with a hammer that has a sear catch and a hook for engaging a disconnector. Plaintiff-generated renderings illustrate this assembly Compl. ¶38, p.11	¶38	col. 2:36-40
a trigger member having a sear...	The assembly allegedly includes a trigger member with a sear that pivots on a transverse axis.	¶38	col. 2:40-49
a disconnector having a hook for engaging said hammer...	The assembly allegedly includes a disconnector with a hook for engaging the hammer.	¶38	col. 2:45-49
a cam having a cam lobe and adapted to be movably mounted in the fire control mechanism pocket...	The Super Safety allegedly has a cam with a cam lobe and lever that is movably mounted in the fire control pocket. A separate image shows the 'Super Safety Cam with Lobe and Lever' component, illustrating the alleged cam and cam lobe Compl. ¶38, p.14	¶38	col. 2:50-54
whereupon in said standard semi-automatic mode... a user must manually release said trigger member to free said hammer from said disconnector...	In its standard mode, the Super Safety allegedly operates such that the disconnector hook catches the hammer, and the user must manually release the trigger to reset the mechanism and fire again.	¶38	col. 3:55-65
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...	In its "forced reset" mode, the cam is allegedly in a second position where it mechanically moves the trigger to reset. This action allegedly prevents the disconnector hook from catching the hammer hook, allowing the user to fire again without manually releasing the trigger.	¶38	col. 4:1-15

'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 in which it locks a trigger... and a second position where it does not restrict movement...	The Super Safety is alleged to operate as a locking member that has a first locked position and a second unlocked position. Renderings depict the "Locked First Position" and "Unlocked Second Position" Compl. ¶52, p.24	¶52	col. 5:54-60
and including a generally upward extension portion configured to make actuating contact with a surface of the bolt carrier...	The Super Safety allegedly has an upward extending portion (a lever arm) that makes contact with the bolt carrier, causing the locking member to move from the first to the second position.	¶52	col. 5:61-65
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 does not provide sufficient detail for analysis of whether the accused device's extension is "separately movable relative to the body portion."	¶52	col. 6:3-10

• Identified Points of Contention:
  • Scope Questions: The case asserts five patents with significant thematic overlap. A point of contention may be whether the single accused product line infringes the distinct claim scope of all five patents, or if some claims are redundant or not met.
  • Technical Questions ('247 Patent): The infringement analysis will likely scrutinize whether the accused "Super Safety" operates in two mechanically distinct modes that precisely map onto the "standard" and "forced reset" modes as defined by the specific functional limitations of Claim 15.
  • Technical Questions ('784 Patent): A primary technical question is whether the accused device's "upward extension portion" is "separately movable relative to the body portion" as required by Claim 1. The patent specification heavily implies a two-piece, hinged construction, raising the question of whether a single-piece flexible component would meet this limitation.

V. Key Claim Terms for Construction

For the '247 Patent:

• The Term: "safety selector... preventing said disconnector hook from catching said hammer hook" (from Claim 15)
• Context and Importance: This limitation defines the core mechanical difference between the patent's "standard" and "forced reset" modes. Practitioners may focus on this term because the infringement determination will depend on whether the accused safety selector performs this specific blocking function in its forced reset mode, as opposed to achieving a similar result through a different mechanism.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The claim language does not specify the mechanism of prevention (e.g., direct blocking vs. causing another part to block), which could support an interpretation covering any method of prevention attributable to the selector's position.
  • Evidence for a Narrower Interpretation: The specification describes a "narrow semi-circular portion 116" of the safety selector that "prevents the disconnector 60 from pivoting," which constitutes a specific, direct blocking action '247 Patent, col. 8:55-62 This could support a narrower construction requiring a direct physical impediment by the selector itself.

For the '784 Patent:

• The Term: "separately movable relative to the body portion" (from Claim 1)
• Context and Importance: This term is central to the '784 Patent's asserted novelty-adapting the forced reset mechanism for different firearm geometries. Practitioners may focus on this term because the dispute will likely turn on whether the accused product's extension piece is a distinct, hinged component (as shown in the patent's figures) or a unitary, flexible part, and which of these falls within the claim's scope.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The term "movable" is general and could be argued to encompass flexing or bending in addition to pivoting, potentially broadening the claim to cover single-piece flexible designs.
  • Evidence for a Narrower Interpretation: The patent specification explicitly illustrates embodiments where the "foldable extension portion 22" pivots on a "transverse pivot pin 24" relative to the "locking bar body 26" '784 Patent, col. 3:40-44 '784 Patent, Fig. 2 The abstract's use of "separately movable" and the detailed description of a hinged structure may support a narrower construction requiring at least two distinct components.

VI. Other Allegations

• Indirect Infringement: The complaint alleges both induced and contributory infringement. Inducement is based on allegations that Defendants encourage and instruct customers on how to install and use the "Super Safety" products Compl. ¶39 Compl. ¶53 Contributory infringement is based on allegations that the sold components are specially designed for the infringing purpose and are not suitable for substantial non-infringing use Compl. ¶41 Compl. ¶55
• Willful Infringement: Willfulness is alleged based on pre-suit knowledge. The complaint states that a cease and desist letter was sent to Tactical Titan Supply on March 31, 2025, identifying the '247 Patent and the accused "Super Safety" product, and that Defendants continued their allegedly infringing activities despite this notice Compl. ¶21 Compl. ¶42

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

• A core issue will be one of claim construction and scope: can the term "separately movable relative to the body portion" in the '784 Patent be construed to cover a single-piece flexible component, or does it require a multi-part hinged assembly as depicted in the patent's own figures? The resolution of this question may be dispositive for infringement of that patent.
• A second central issue will be one of evidentiary proof and functional distinction: across all five asserted patents, Plaintiffs must prove that the single accused "Super Safety" product practices the specific, and sometimes subtle, mechanical and functional limitations recited in each asserted claim. The case may turn on whether Defendants can demonstrate a mismatch between the accused product's actual operation and the precise steps and structures claimed in one or more of the patents.
• Finally, a key question for damages will be willfulness: did Defendants, after receiving a cease and desist letter in March 2025, possess an objectively reasonable, good-faith belief that their "Super Safety" product did not infringe the asserted patents or that the patents were invalid? The answer will determine potential liability for enhanced damages.