ABC IP LLC v. Hawkphin Sales LLC

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: ABC IP, LLC (Delaware); Rare Breed Triggers, Inc. (Texas); RBTM LLC (Wyoming)
  • Defendant: HAWKPHIN SALES, LLC (Iowa); Adam Gerleman (Individual)
  • Plaintiff's Counsel: Brown, Winick, Graves, Gross, Baskerville Schoenebaum, P.L.C.; Fish & Richardson P.C.; Wood Herron & Evans LLP
• Case Identification: 4:26-cv-00015, S.D. Iowa, 06/05/2026
• Venue Allegations: Venue is alleged to be proper in the Southern District of Iowa as Defendants reside in the district, maintain a regular and established place of business there, and have committed alleged acts of infringement within the district.
• Core Dispute: Plaintiffs allege that Defendants' firearm trigger modification products infringe nine U.S. patents related to "forced reset" trigger mechanisms that can accelerate the rate of fire of semi-automatic firearms.
• Technical Context: The technology at issue involves mechanical trigger systems for AR-15-style firearms that use the energy from a reciprocating bolt carrier to mechanically reset the trigger, enabling a faster rate of fire than is possible with standard semi-automatic triggers.
• Key Procedural History: This action is a Second Amended Complaint. The complaint alleges that Defendants had pre-suit knowledge of at least some of the asserted patents, citing a cease and desist letter sent on August 9, 2025 regarding the '247 Patent and another sent on May 8, 2024 regarding the '003 Patent.

Case Timeline

Date	Event
2017-09-29	Earliest Priority Date for '223 Patent
2019-12-24	U.S. Patent No. 10,514,223 Issued
2020-01-01	Plaintiffs' use of FRT marks begins (approx.)
2021-11-05	Earliest Priority Date for '784 Patent
2022-01-10	Earliest Priority Date for '003, '336, and '807 Patents
2022-09-08	Earliest Priority Date for '247 and '159 Patents
2023-08-15	U.S. Patent No. 11,724,003 Issued
2023-12-04	Earliest Priority Date for '538 Patent
2024-05-08	Cease and desist letter regarding '003 Patent sent
2024-07-09	U.S. Patent No. 12,031,784 Issued
2024-07-16	U.S. Patent No. 12,038,247 Issued
2024-07-16	U.S. Patent No. 12,036,336 Issued
2025-04-15	U.S. Patent No. 12,274,807 Issued
2025-08-09	Cease and desist letter regarding '247 Patent sent
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
2026-06-05	Second Amended 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: Standard semi-automatic trigger mechanisms limit the rate of fire because a user must manually release the trigger to reset the sear before another shot can be fired ʼ247 Patent, col. 1:25-34 Prior art methods to increase the rate of fire, such as "bump firing" or pull/release triggers, can be complex, unreliable, or expensive ʼ247 Patent, col. 1:35-2:16
• The Patented Solution: The invention is a trigger mechanism, often in a "drop-in" module, with a selector that allows switching between a standard semi-automatic mode and a "forced reset" mode ʼ247 Patent, abstract In the forced reset mode, the rearward movement of the firearm's bolt carrier during the firing cycle interacts with a cam, which in turn mechanically forces the trigger member back to its reset position ʼ247 Patent, col. 2:48-67 This allows a user to fire another round as soon as the bolt is in battery, without needing to manually release the trigger, thus enabling a faster cyclic rate ʼ247 Patent, col. 2:63-67
• Technical Importance: The technology provides a mechanical method to significantly increase the semi-automatic rate of fire for common firearm platforms like the AR-15 through a retrofittable component ʼ247 Patent, col. 2:28-34

Key Claims at a Glance

• The complaint asserts independent claim 15 Compl. ¶60
• Essential elements of 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 the disconnector catches the hammer after firing, requiring a manual trigger release to reset.
  • The mechanism is also operable in a "forced reset semi-automatic mode" where the cam is in a second position.
  • In this forced reset mode, the cam lobe "forces said trigger member towards said set position."
  • In this mode, rearward movement of the bolt carrier causes the hammer to pivot, but the disconnector hook is "prevented from catching said hammer hook."
  • This allows the user to pull the trigger again to fire the firearm once the bolt carrier has returned to battery, without first manually releasing the trigger.
• The complaint reserves the right to assert other claims Compl. ¶58

U.S. Patent No. 12,031,784 - Adapted Forced Reset Trigger, Issued July 9, 2024

The Invention Explained

• Problem Addressed: Forced reset triggers, such as the one described in U.S. Patent No. 10,514,223, rely on a locking member being actuated by the bolt carrier. However, dimensional differences between firearm platforms (e.g., AR-15 vs. AR-10) mean that a locking member designed for one platform may not work in another; it could either be too short to be actuated or so long that it interferes with the bolt carrier's rearward movement '784 Patent, col. 1:21-44
• The Patented Solution: The invention provides an extended trigger locking device with a "deflectable" or "folding" upward extension '784 Patent, abstract This extension is long enough to be actuated by the bolt carrier as it moves into battery, but it is also designed to pivot or fold out of the way when contacted by a different surface of the bolt carrier as it cycles to the rear, thus preventing interference '784 Patent, col. 2:1-10 '784 Patent, FIG. 7
• Technical Importance: This design allows a single forced reset trigger mechanism to be compatible with multiple firearm platforms that have different geometric layouts, overcoming a key limitation of prior designs Compl. ¶30

Key Claims at a Glance

• The complaint asserts independent claim 1 Compl. ¶75
• Essential elements of claim 1 include:
  • An extended trigger member locking device for a forced reset trigger mechanism.
  • The device has a locking member movable between a first position (locking the trigger) and a second position (not restricting the trigger).
  • The locking member includes a "body portion" and an "upwardly extending deflectable portion."
  • This deflectable portion 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. ¶73

Multi-Patent Capsules

U.S. Patent No. 12,529,538 - Safety Mechanism for Firearm, Issued Jan. 20, 2026

• Technology Synopsis: Describes a safety mechanism that uses a "cam selector" with multiple recesses to operate in three modes: a standard semi-automatic mode, an "active reset" mode where the cam moves the trigger, and a safe mode that prevents the trigger from being pulled Compl. ¶31 '538 Patent, abstract
• Asserted Claims: Independent claim 1 is asserted Compl. ¶90
• Accused Features: The "Super Safety" product is alleged to infringe Compl. ¶88

U.S. Patent No. 12,578,159 - Firearm Trigger Mechanism, Issued Mar. 17, 2026

• Technology Synopsis: This patent discloses a trigger mechanism with both a standard semi-automatic mode and a "forced reset" semi-automatic mode Compl. ¶104 The invention uses a cam, rotated by the cycling of the bolt carrier, to mechanically reset the trigger in the forced reset mode Compl. ¶29
• Asserted Claims: Independent claim 1 is asserted Compl. ¶104
• Accused Features: The "Super Safety" and "Atrius Selector" products are alleged to infringe Compl. ¶102

U.S. Patent No. 10,514,223 - Firearm Trigger Mechanism, Issued Dec. 24, 2019

• Technology Synopsis: This patent describes a trigger mechanism where the cycling of the firearm's action causes the hammer to make contact with the trigger, mechanically resetting both components Compl. ¶32 A locking bar prevents the trigger from being pulled again until the bolt carrier has returned to its in-battery position '223 Patent, abstract
• Asserted Claims: Independent claim 4 is asserted Compl. ¶119
• Accused Features: The "Disruptor" product is alleged to infringe Compl. ¶117

U.S. Patent No. 11,724,003 - Firearm Trigger Mechanism, Issued Aug. 15, 2023

• Technology Synopsis: This patent describes a trigger mechanism with two selectable modes: a standard disconnector-based semi-automatic mode and a "forced reset" semi-automatic mode Compl. ¶33 It includes a three-position safety selector to switch between safe, standard, and forced reset modes '003 Patent, abstract
• Asserted Claims: Independent claim 4 is asserted Compl. ¶133
• Accused Features: The "Disruptor" product is alleged to infringe Compl. ¶131

U.S. Patent No. 12,036,336 - Firearm Trigger Mechanism, Issued July 16, 2024

• Technology Synopsis: Similar to the '003 patent, this patent describes a trigger mechanism with selectable standard and "forced reset" semi-automatic modes, operated via a three-position safety selector Compl. ¶33 '336 Patent, abstract The invention is structured as a drop-in housing containing the trigger components '336 Patent, claim 3
• Asserted Claims: Independent claim 3 is asserted Compl. ¶147
• Accused Features: The "Disruptor" product is alleged to infringe Compl. ¶145

U.S. Patent No. 12,274,807 - Firearm Trigger Mechanism, Issued Apr. 15, 2025

• Technology Synopsis: This patent also describes a trigger mechanism with selectable standard and "forced reset" modes controlled by a three-position safety selector Compl. ¶33 '807 Patent, abstract In the forced reset mode, the safety selector is configured to prevent the disconnector from catching the hammer '807 Patent, abstract
• Asserted Claims: Independent claim 1 is asserted Compl. ¶160
• Accused Features: The "Disruptor" product is alleged to infringe Compl. ¶158

U.S. Patent No. 12,636,403 - Firearm Trigger Mechanism

• Technology Synopsis: This patent describes a trigger mechanism with selectable standard and "forced reset" modes Compl. ¶33 The claims focus on the interaction between the hammer, disconnector, and trigger member in the standard semi-automatic mode Compl. ¶174
• Asserted Claims: Independent claim 38 is asserted Compl. ¶174
• Accused Features: The "Super Safety," "Atrius Selector," and "Disruptor" products are alleged to infringe Compl. ¶172

III. The Accused Instrumentality

Product Identification

• The accused instrumentalities are the "War Hammer Armaments Super Safety (3-Position)" (the "Super Safety"), the "Atrius Forced Reset Selector" (the "Atrius Selector"), and the "Partisan Triggers Disruptor" (the "Disruptor") Compl. ¶¶36 Compl. ¶40 Compl. ¶44

Functionality and Market Context

• The complaint alleges that these products are trigger mechanisms for AR-15-pattern firearms that embody the "forced reset" technology claimed in the asserted patents Compl. ¶¶28-33 They are marketed and sold through Defendants' website, www.battlehawkarmory.com Compl. ¶¶37 Compl. ¶41 Compl. ¶45 A screenshot from the website shows the "Super Safety" product being offered for sale Compl. p. 9
• These devices are sold in various configurations, including as standalone products, as kits with other firearm parts, or pre-installed in firearm receivers or complete firearms (Compl. ¶37; Compl. ¶41; Compl. ¶45).
• The products are alleged to provide the user with the ability to switch between a standard semi-automatic mode, which uses a disconnector, and a "forced reset" mode, which uses a cam system to mechanically reset the trigger, thereby enabling a higher rate of fire Compl. ¶¶39 Compl. ¶43 Compl. ¶47

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...a trigger member...a disconnector...and a cam...	When installed, the Super Safety is part of a trigger mechanism and allegedly functions as a cam to cause the reset of the trigger and lock the trigger during operation.	¶60	col. 2:48-52
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 accused cam is movable between a first and second position. In the "forced reset" mode, the cam lobe allegedly mechanically moves the trigger member toward its set position.	¶60	col. 2:56-62
whereupon in a standard semi-automatic mode, said cam is in said first position, rearward movement of the bolt carrier causes rearward pivoting of said hammer such that said disconnector hook catches said hammer hook,	In the standard mode, the cam is in its first position. Rearward bolt carrier movement allegedly causes the hammer to pivot so the disconnector hook catches the hammer hook.	¶60	col. 2:63-67
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 the "forced reset" mode, the cam is allegedly in its second position, and rearward hammer pivoting occurs such that the disconnector hook is prevented from catching the hammer hook.	¶60	col. 3:1-12
at which time the user can pull said trigger member to fire the firearm.	After the bolt carrier returns to battery, the user can allegedly pull the trigger to fire the firearm without first manually releasing it. A plaintiff-generated rendering depicts this sequence of operation.	¶60	col. 3:9-12

• Identified Points of Contention:
  • Scope Questions: The complaint's infringement theory relies heavily on plaintiff-generated color-coded renderings of the accused product in operation Compl. pp. 20-28 A primary point of contention will be whether these renderings accurately depict the actual function of the "Super Safety" product when installed and used as directed.
  • Technical Questions: A key technical question is whether the accused cam truly "forces" the trigger member to reset, as required by the claim, or if it merely assists a spring-biased return. The degree and nature of the interaction between the accused cam lobe and trigger member will be a central factual dispute.

'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 Super Safety is alleged to be part of a forced reset trigger mechanism and to function as a locking device that moves between a locked and unlocked position.	¶75	col. 2:1-10
and including a generally upward extension portion configured to make actuating contact with a surface of the bolt carrier,	The accused Super Safety allegedly has an upward extending lever arm configured to make actuating contact with the bolt carrier.	¶75	col. 3:63-66
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 accused Atrius Selector is alleged to have a body portion and an upwardly extending lever arm. The complaint asserts this lever arm is designed to allow separate movement relative to the body portion, deflecting when contacted by the bolt carrier. A plaintiff-generated rendering depicts this deflection.	¶76	col. 2:1-10

• Identified Points of Contention:
  • Scope Questions: The dispute will likely focus on the construction of "separately movable relative to the body portion." The defense may argue that the claimed language requires a more distinct and independent movement than what is exhibited by the single-piece, hinged, or flexible lever of the accused products.
  • Technical Questions: A central evidentiary question will be whether the lever arm of the accused products is merely a pivoting extension or if it functions as a "deflectable portion" that is "separately movable" in the specific manner claimed. The complaint's infringement theory for the Atrius Selector, for example, relies on a rendering showing the lever arm deflecting independently of the main body Compl. p. 51, the accuracy of which will be a key point of contention.

V. Key Claim Terms for Construction

'247 Patent

• The Term: "forces said trigger member towards said set position" (Claim 15)
• Context and Importance: This term is the functional core of the "forced reset" mode. The infringement analysis will turn on whether the interaction between the accused cam and trigger qualifies as "forcing" a reset, as opposed to merely assisting or enabling a reset driven by other components like a spring.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The specification describes the interaction as the cam lobe "mechanically moves" the trigger member ʼ247 Patent, col. 2:59-60 Practitioners may argue this suggests any form of mechanical movement initiated by the cam, even in concert with a spring, meets the limitation.
  • Evidence for a Narrower Interpretation: The patent also states the cam lobe "mechanically moves the trigger member... toward the set position" when in the forced reset mode '247 Patent, col. 2:59-62 Practitioners may argue that this implies the cam is the primary or sole agent of movement, requiring a direct, positive push that overpowers other forces, rather than a mere nudge that allows a spring to complete the reset.

'784 Patent

• The Term: "separately movable relative to the body portion" (Claim 1)
• Context and Importance: This term defines the novel feature intended to provide cross-platform compatibility. The infringement case against the Super Safety and Atrius Selector hinges on whether their locking members have a part that is "separately movable" in the claimed sense.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The specification describes the invention as having an extension that can "deflect or fold separately from the body portion" '784 Patent, col. 2:6-7 This broad language could be argued to encompass a simple hinge or a flexible member.
  • Evidence for a Narrower Interpretation: The detailed description explains that the extension pivots "without displacing the locking bar body" '784 Patent, col. 4:30-32 Practitioners may argue this requires complete mechanical independence of movement between the extension and the body, potentially excluding designs where flexing or pivoting of the extension imparts some movement or stress onto the body portion.

VI. Other Allegations

• Indirect Infringement: The complaint alleges both induced and contributory infringement for all asserted patents. Inducement is primarily based on Defendants' alleged marketing, promotional materials, and instructions on their website that encourage and instruct customers on how to install and use the accused products in an infringing manner Compl. ¶¶62-63 Compl. ¶¶77-78 Contributory infringement is based on the allegation that the components of the accused products are specially designed for infringing use and are not suitable for substantial non-infringing uses Compl. ¶¶64 Compl. ¶79
• Willful Infringement: Willfulness is alleged for all asserted patents. The claims are based on alleged pre-suit knowledge of the patents, specifically citing a cease and desist letter dated August 9, 2025, for the '247 patent and a letter dated May 8, 2024 for the '003 patent Compl. ¶65 Compl. ¶137 The complaint alleges Defendants' continued infringement despite this knowledge is egregious and willful (Compl. ¶¶65; Compl. ¶80).

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

• A central question will be one of technical operation versus claim scope: Do the accused products, when assembled and operated in a real-world firearm, actually function in the precise manner described by the claim language? The case may depend on whether the court finds that the accused "cam" truly "forces" a reset as claimed in the '247 patent, and whether the accused locking device possesses a "separately movable" extension as claimed in the '784 patent, or if there is a functional or structural mismatch.
• Another core issue will be one of claim construction: The viability of the infringement claims will heavily depend on the court's interpretation of key terms. Can "forces" in the '247 patent encompass a cam-assisted, spring-driven reset, or does it require direct, overpowering mechanical action? Does "separately movable" in the '784 patent require complete mechanical independence, or can it read on a simple hinged or flexible part?
• A key evidentiary question will concern willfulness and intent: Given the allegations of pre-suit notice via cease-and-desist letters, the court will need to determine if Defendants possessed an objectively reasonable, good-faith belief that the asserted patents were invalid or not infringed. The answer to this question will determine Plaintiffs' eligibility for enhanced damages.