DCT

4:26-cv-00015

ABC IP LLC v. Hawkphin Sales LLC

Key Events
Amended Complaint
complaint Intelligence

I. Executive Summary and Procedural Information

  • Parties & Counsel:
  • Case Identification: 4:26-cv-00015, S.D. Iowa, 03/24/2026
  • Venue Allegations: Venue is alleged to be proper in the Southern District of Iowa because Defendants reside in the district and have a regular and established place of business there.
  • Core Dispute: Plaintiffs allege that Defendants' aftermarket firearm components, which enable a "forced reset" trigger function, infringe eight U.S. patents related to firearm trigger mechanisms.
  • Technical Context: The technology at issue involves "forced reset triggers" for semi-automatic firearms, which use the energy from the weapon's cycling action to mechanically reset the trigger, a function that can permit an accelerated rate of fire compared to standard trigger mechanisms.
  • Key Procedural History: The complaint alleges that on August 9, 2025, Plaintiffs delivered a cease and desist letter to the Defendants, which specifically informed them of U.S. Patent No. 12,038,247 and accused the "Super Safety" product of infringement.

Case Timeline

Date Event
2017-09-29 U.S. Patent No. 10,514,223 Priority Date
2019-12-24 U.S. Patent No. 10,514,223 Issue Date
2021-11-05 U.S. Patent No. 12,031,784 Priority Date
2022-01-10 U.S. Patent Nos. 11,724,003, 12,036,336, and 12,274,807 Priority Date
2022-09-08 U.S. Patent Nos. 12,038,247 and 12,578,159 Priority Date
2023-08-15 U.S. Patent No. 11,724,003 Issue Date
2023-12-04 U.S. Patent No. 12,529,538 Priority Date
2024-07-09 U.S. Patent No. 12,031,784 Issue Date
2024-07-16 U.S. Patent No. 12,038,247 Issue Date
2024-07-16 U.S. Patent No. 12,036,336 Issue Date
2025-04-15 U.S. Patent No. 12,274,807 Issue Date
2025-08-09 Cease and desist letter delivered
2026-01-20 U.S. Patent No. 12,529,538 Issue Date
2026-03-17 U.S. Patent No. 12,578,159 Issue Date
2026-03-24 Complaint Filing Date

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

U.S. Patent No. 12,038,247 - Firearm Trigger Mechanism

The Invention Explained

  • Problem Addressed: Standard semi-automatic triggers require a user to manually release the trigger to reset the firing mechanism, which limits the potential rate of fire Compl. ¶¶23-24 Prior methods to accelerate firing, such as "bump firing," can be complex or require significant user practice to be reliable '247 Patent, col. 1:40-54
  • The Patented Solution: The invention is a trigger mechanism with a selectable "forced reset" mode Compl. ¶26 It employs a "cam" that, when engaged, uses the rearward movement of the firearm's bolt carrier to force the trigger back to its set position '247 Patent, abstract This mechanical reset obviates the need for the user to manually release the trigger, enabling the next shot to be fired more quickly. The mechanism is selectable, allowing the user to switch between this forced reset mode and a standard semi-automatic mode where the disconnector functions traditionally Compl. ¶26
  • Technical Importance: The technology provides a selectable, integrated mechanical system to increase the cyclic rate of a semi-automatic firearm, presented as a more reliable alternative to techniques that rely on recoil manipulation Compl. ¶26

Key Claims at a Glance

  • The complaint asserts independent Claim 15 Compl. ¶¶48-50
  • The essential elements of Claim 15 include:
    • A firearm trigger mechanism comprising a hammer, a trigger member, a disconnector, and a cam.
    • The cam is movable between a first position and a second position.
    • In the second position, a "cam lobe" forces the trigger member towards its set position.
    • The mechanism operates in a "standard semi-automatic mode," where the cam is in the first position, the disconnector catches the hammer, and the user must manually release the trigger to fire again.
    • The mechanism also operates in a "forced reset semi-automatic mode," where the cam is in the second position, the disconnector hook is prevented from catching the hammer, and the user can fire again without manually releasing the trigger.

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

The Invention Explained

  • Problem Addressed: Prior art forced reset trigger mechanisms, such as the one described in U.S. Patent 10,514,223, may face geometric constraints when adapted to different firearm platforms (e.g., AR-10 vs. AR-15) '784 Patent, col. 1:20-33 A locking member tall enough to be actuated by the rear of one type of bolt carrier might physically interfere with the front of that same bolt carrier as it cycles rearward '784 Patent, col. 1:39-44
  • The Patented Solution: The patent discloses an extended trigger locking device for a forced reset mechanism that incorporates a "deflectable" or folding component '784 Patent, abstract The locking member consists of a main body and a separately movable, upwardly extending portion '784 Patent, claim 1 This design allows the extension to stand rigid to be actuated by the bolt carrier returning to battery, but also to fold or deflect out of the way to avoid interference when the front of the bolt carrier passes over it during rearward cycling Compl. ¶27 '784 Patent, col. 2:1-6
  • Technical Importance: This innovation enables a single forced-reset trigger design to be compatible with multiple firearm platforms that have different bolt carrier geometries and dimensions, enhancing its modularity and market applicability Compl. ¶27

Key Claims at a Glance

  • The complaint asserts independent Claim 1 Compl. ¶¶63-65
  • 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 locked and an unlocked position.
    • The locking member has a movably supported "body portion."
    • It also has an "upwardly extending deflectable portion that is separately movable relative to the body portion" between an extended and a deflected position.
    • Contact from the bolt carrier causes the locking member to move to the unlocked position.

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

  • Technology Synopsis: The patent describes a safety mechanism for a firearm employing a cam selector, a lever, and a trigger Compl. ¶28 The cam selector has multiple recesses and is configured for three operational modes: a first mode allowing standard semi-automatic fire, a second mode where a cam portion moves the trigger tail down, and a third mode that prevents the trigger from being pulled Compl. ¶28
  • Asserted Claims: At least Claim 1 Compl. ¶78
  • Accused Features: The First Infringing Device ("Super Safety") is alleged to infringe the '538 Patent Compl. ¶78

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

  • Technology Synopsis: The patent discloses a device to accelerate the firing sequence of a semi-automatic firearm, which is selectable between a standard semi-automatic mode and a forced reset semi-automatic mode Compl. ¶26 It uses a cam, rotated by the cycling of the firearm's action, to force the trigger to reset and prevent it from being pulled until the action is in-battery Compl. ¶26
  • Asserted Claims: At least Claim 1 Compl. ¶92
  • Accused Features: The First and Second Infringing Devices ("Super Safety" and "Atrius Forced Reset Selector") are alleged to infringe the '159 Patent Compl. ¶92

U.S. Patent No. 10,514,223 - Firearm Trigger Mechanism

  • Technology Synopsis: The patent describes a device where the cycling of the firearm's action causes hammer contact with the trigger member, which forcefully resets both components Compl. ¶29 A locking bar is included to prevent the trigger from being pulled until the bolt carrier has returned to its in-battery position Compl. ¶29
  • Asserted Claims: At least Claim 4 Compl. ¶107
  • Accused Features: The Third Infringing Device ("Partisan Disruptor") is alleged to infringe the '223 Patent Compl. ¶107

U.S. Patent No. 11,724,003 - Firearm Trigger Mechanism

  • Technology Synopsis: The patent claims a device with similar operation to the '223 Patent but adds a selectable feature, allowing the user to choose between a standard disconnector semi-automatic mode and a forced reset semi-automatic mode Compl. ¶30
  • Asserted Claims: At least Claim 4 Compl. ¶121
  • Accused Features: The Third Infringing Device ("Partisan Disruptor") is alleged to infringe the '003 Patent Compl. ¶121

U.S. Patent No. 12,036,336 - Firearm Trigger Mechanism

  • Technology Synopsis: The technology described is similar to that of the '003 Patent, claiming a device that can be selected to operate in either a standard disconnector semi-automatic mode or a forced reset semi-automatic mode Compl. ¶30
  • Asserted Claims: At least Claim 3 Compl. ¶135
  • Accused Features: The Third Infringing Device ("Partisan Disruptor") is alleged to infringe the '336 Patent Compl. ¶135

U.S. Patent No. 12,274,807 - Firearm Trigger Mechanism

  • Technology Synopsis: The technology described is similar to that of the '003 and '336 Patents, claiming a device that can be selected to operate in either a standard disconnector semi-automatic mode or a forced reset semi-automatic mode Compl. ¶30
  • Asserted Claims: At least Claim 1 Compl. ¶148
  • Accused Features: The Third Infringing Device ("Partisan Disruptor") is alleged to infringe the '807 Patent Compl. ¶148

III. The Accused Instrumentality

  • Product Identification: The complaint identifies three accused instrumentalities: the "(3-Position) 'Super Safety'" (First Infringing Device), the "(3-Position) 'Atrius Forced Reset Selector'" (Second Infringing Device), and the "(3-Position) 'Partisan Disruptor'" (Third Infringing Device) Compl. ¶32 Compl. ¶36 Compl. ¶40
  • Functionality and Market Context: The accused products are aftermarket components for AR-15-pattern firearms, sold through Defendants' website Compl. ¶33 Compl. ¶37 Compl. ¶41 The complaint includes a product image of the "Atrius Forced Reset Selector," which is sold both as a standalone product and as part of a bundle Compl. ¶38 Each device is alleged to provide three modes of operation: safe, standard semi-automatic with a disconnector, and a forced reset semi-automatic mode Compl. ¶35 Compl. ¶39 Compl. ¶43 In the forced reset mode, the cycling of the firearm's action is alleged to cause contact that forcefully resets the trigger, allowing the user to fire again without manually releasing the trigger Compl. ¶44 The products are marketed and sold in various configurations, including as partial kits, complete drop-in kits, and pre-installed in complete firearms Compl. ¶33 Compl. ¶37 Compl. ¶41 A photograph in the complaint shows the "Super Safety" product Compl. ¶34 Another shows the "Partisan Disruptor" as a standalone component Compl. ¶42

IV. Analysis of Infringement Allegations

12,038,247 Patent Infringement Allegations

Claim Element (from Independent Claim 15) Alleged Infringing Functionality Complaint Citation Patent Citation
A firearm trigger mechanism comprising: The Super Safety is part of a forced reset trigger mechanism. ¶50 col. 9:26-28
a hammer having a sear catch and a hook for engaging a disconnector and adapted to be mounted in a fire control mechanism pocket of a receiver The Super Safety is installed in a fire control mechanism pocket with a hammer that has a sear catch and a hook for engaging a disconnector. ¶50 col. 8:14-25
a trigger member having a sear and adapted to be mounted in the fire control mechanism pocket to pivot on a transverse trigger member pivot axis The Super Safety is installed with a trigger member in the fire control mechanism pocket, and the trigger member pivots on a pivot axis and has a sear. ¶50 col. 7:48-59
a cam having a cam lobe and adapted to be movably mounted in the fire control mechanism pocket, The Super Safety has a cam with a cam lobe and lever adapted to be movably mounted in the fire control mechanism pocket. ¶50 col. 8:1-3
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 the second position, its lobe forces the trigger member toward the set position when the cam is in the forced reset semi-automatic mode. ¶50 col. 8:1-13
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, In standard semi-automatic mode, rearward movement of the bolt carrier causes the hammer to pivot such that the disconnector hook catches the hammer hook. ¶50 col. 9:40-52
whereupon in a forced reset semi-automatic mode, ... said disconnector hook is prevented from catching said hammer hook, In forced reset semi-automatic mode, the cam is in the second position and forces the trigger toward the set position, and rearward hammer pivoting occurs such that the disconnector hook is prevented from catching the hammer hook. ¶50 col. 10:1-12
  • Identified Points of Contention:
    • Scope Questions: Claim 15 recites "a disconnector" and "a cam" as distinct elements. The complaint's infringement theory appears to map the accused product's integrated safety selector/cam component onto the claimed "cam" Compl. ¶50 This raises the question of whether a single component that combines the function of a safety selector and a cam meets the claim limitation of "a cam ... movably mounted in the fire control mechanism pocket," or if the claim requires a structurally separate cam element.
    • Technical Questions: The claim requires that in the forced reset mode, the "disconnector hook is prevented from catching said hammer hook." The analysis may focus on what specific structure in the accused device performs this prevention function and whether it operates in the manner contemplated by the patent.

12,031,784 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: The Super Safety is part of a forced reset trigger mechanism and functions as an extended trigger member locking device. ¶65 col. 1:5-8
a locking member that is movable between a first position in which it locks a trigger against pulling movement and a second position where it does not restrict movement of the trigger member, The Super Safety operates as a locking member and is movable between a first (locked) position and a second (unlocked) position. ¶65 col. 1:9-13
and including a generally upward extension portion configured to make actuating contact with a surface of the bolt carrier, The Super Safety has an upward extending lever arm configured to make actuating contact with a surface of the bolt carrier. ¶65 col. 1:15-17
the locking member having a body portion that is movably supported The Super Safety is movably supported by a frame (the lower receiver). ¶66 col. 1:19-20
and an upwardly extending deflectable portion that is separately movable relative to the body portion between an extended position and a deflected position. The Second Infringing Device has an upwardly extending deflectable lever arm, with a connection designed to allow separate movement relative to the body portion between an extended and a deflected position. ¶66 col. 2:2-6
  • Identified Points of Contention:
    • Scope Questions: The interpretation of "separately movable" will be critical. The patent figures depict a distinct hinge with a pivot pin '784 Patent, figs. 2-4 The dispute may turn on whether this term requires a multi-piece, pinned construction, or if it could also read on a single, flexible component designed to bend or deflect.
    • Technical Questions: A key factual question will be whether the accused products actually possess a two-part locking member where one part is "separately movable" relative to the other. The complaint's renderings for the Second Infringing Device allege a design that allows for separate movement Compl. ¶66, p. 43-44, but evidence of the actual product's construction and operation will be central.

V. Key Claim Terms for Construction

  • Patent: '247 Patent

  • The Term: "a cam"

  • Context and Importance: Claim 15 lists "a hammer," "a trigger member," "a disconnector," and "a cam" as separate structural elements of the mechanism. The complaint's allegations map the accused product's safety selector body onto this "cam" element Compl. ¶50 Whether an integrated component can satisfy the limitation for a separately recited "cam" will be a central issue of claim construction.

  • Intrinsic Evidence for Interpretation:

    • Evidence for a Broader Interpretation: The specification describes the function of the cam as having a "cam lobe (78) that interacts with [a] cam follower (58) on the trigger member" '247 Patent, col. 8:8-10 A party could argue that any structure performing this specific camming function, regardless of its integration with other parts, should be considered "a cam."
    • Evidence for a Narrower Interpretation: The exploded view in Figure 3 of the '247 patent depicts the cam (72) as a structurally distinct component from the safety selector (110) and the trigger member (38). A party may argue that this embodiment limits the term "a cam" to a physically separate piece of hardware.
  • Patent: '784 Patent

  • The Term: "separately movable"

  • Context and Importance: This term defines the key structural novelty of Claim 1: a locking member with a body and a deflectable portion that moves independently of that body. The infringement analysis for the '784 patent will hinge on whether the accused devices possess a component that meets this "separately movable" requirement.

  • Intrinsic Evidence for Interpretation:

    • Evidence for a Broader Interpretation: The Summary of the Invention states the invention provides a "deflectable extension of the locking member that deflects or folds" '784 Patent, col. 1:50-52 The use of both "deflects" and "folds" could support a construction that covers not only hinged parts but also flexible, single-piece structures designed to bend.
    • Evidence for a Narrower Interpretation: The preferred embodiments illustrated in the patent consistently show a multi-piece construction with a distinct body portion (26) and an extension portion (22) connected by a physical pivot pin (24) '784 Patent, figs. 2-4 A party could argue that "separately movable" requires such a discrete, articulated joint, as this is the only structure disclosed for achieving the function.

VI. Other Allegations

  • Indirect Infringement: Plaintiffs allege both induced and contributory infringement for all asserted patents. The inducement allegations are based on Defendants' promotional materials, including website content that allegedly instructs customers to install and use the accused devices in an infringing manner in AR-15-pattern firearms Compl. ¶52 Compl. ¶67 Compl. ¶110 The contributory infringement allegations are based on the assertion that the accused components are specially designed for infringing use and are not suitable for substantial noninfringing use Compl. ¶54 Compl. ¶69
  • Willful Infringement: The complaint alleges willful infringement based on knowledge of the patents. For the '247 Patent, pre-suit knowledge is alleged based on a cease and desist letter delivered on August 9, 2025 Compl. ¶22 Compl. ¶55 For the other asserted patents, knowledge is alleged to have occurred at least through the filing and service of the complaint Compl. ¶70 Compl. ¶84

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

  1. Definitional Scope: A core issue will be one of definitional scope: can the term "a cam," recited as a distinct element in the '247 patent family, be construed to cover a camming surface that is integrated into a multi-function safety selector, or does the claim require a structurally separate component?
  2. Structural and Functional Equivalence: A central dispute for the '784 patent will be one of structural and functional equivalence: what is the scope of a locking member with a "deflectable portion that is separately movable relative to the body portion," and do the accused devices, as a matter of fact, incorporate such a feature, or do they achieve a similar result through a different, non-infringing design?
  3. Willfulness and Intent: Given the explicit allegation of a pre-suit cease and desist letter concerning the '247 patent, a key question for damages will be willfulness: can Plaintiffs establish that Defendants had pre-suit knowledge of infringement and acted with objective recklessness by continuing the accused conduct, potentially exposing them to enhanced damages?