2:10-cv-00029
RMDI v. Remington Arms Company, Inc.
I. Executive Summary and Procedural Information
- Parties & Counsel:
- Plaintiff: Rmdi, LLC (Utah); ZDF Import/Export, LLC d/b/a Robinson Armament Co. (Utah)
- Defendant: Remington Arms Co., Inc. (North Carolina); Bushmaster Firearms Int'l, LLC (Maine); Rock River Arms, Inc. (Illinois); Magpul Industries Corp. (Colorado)
- Plaintiff’s Counsel: Workman | Nydegger
- Case Identification: 2:10-cv-00029, D. Utah, 06/17/2010
- Venue Allegations: Venue is alleged based on Defendants soliciting and transacting business in Utah, placing products into the stream of commerce in the state, and offering products for sale through various Utah-based retailers.
- Core Dispute: Plaintiffs allege that Defendants’ semi-automatic rifles infringe a patent related to a multi-caliber, ambidextrously controllable firearm.
- Technical Context: The technology concerns modular firearm platforms designed to be easily reconfigured for different ammunition calibers and operated effectively by both right- and left-handed users.
- Key Procedural History: The operative pleading is a First Amended Complaint, indicating a prior version of the complaint was filed and subsequently modified. The complaint alleges willful infringement, which, if proven, could lead to enhanced damages.
Case Timeline
| Date | Event |
|---|---|
| 2003-08-04 | ’900 Patent Priority Date |
| 2009-10-06 | ’900 Patent Issue Date |
| 2010-06-17 | First Amended Complaint Filing Date |
II. Technology and Patent(s)-in-Suit Analysis
U.S. Patent No. 7,596,900 - "Multi-Caliber Ambidextrously Controllable Firearm," issued October 6, 2009
The Invention Explained
- Problem Addressed: The patent addresses the disadvantages of conventional firearms, which often have controls (e.g., magazine release, safety selector) designed exclusively for right-handed users, making them difficult for left-handed users to operate smoothly. (’900 Patent, col. 1:53-63). Additionally, adapting a single firearm for multiple ammunition calibers presents reliability challenges, particularly with cartridge ejection, which can lead to malfunctions. (’900 Patent, col. 1:64-2:12).
- The Patented Solution: The invention describes a firearm architecture with ambidextrous controls, specifically a magazine release and a bolt hold open system, that are accessible and operable from both sides of the weapon. (’900 Patent, col. 4:7-14). One key aspect is a bolt hold open control arm that is U-shaped, wrapping around the trigger guard, which allows a user to actuate it without changing their grip, regardless of which hand is dominant. (’900 Patent, Fig. 6; col. 11:51-55). This design aims to improve ergonomics and operational speed for all users.
- Technical Importance: This approach sought to create a single, unified firearm platform that could be adapted to various missions and calibers while providing identical, intuitive controls for both right- and left-handed operators, a significant ergonomic improvement over many existing designs. (’900 Patent, col. 2:46-59).
Key Claims at a Glance
- The complaint asserts independent Claim 1. (Compl. ¶23).
- Essential elements of Claim 1 include:
- a magazine well;
- a trigger guard;
- a magazine catch system comprising a first button accessible from a side of the firearm, wherein depression of the first button releases a magazine disposed within the magazine well;
- a bolt hold open system comprising a bolt hold open control arm extending as low as at least a portion of the trigger guard;
- wherein the bolt hold open control arm extends along both sides of the trigger guard such that the trigger guard is at least partially nested within the bolt hold open control arm.
- The complaint does not explicitly reserve the right to assert dependent claims but makes a general allegation covering "one or more of the claims." (Compl. ¶23).
III. The Accused Instrumentality
- Product Identification: The accused products are identified as specific models of semi-automatic rifles:
- The Adaptive Combat Rifle (ACR), made by Remington and Bushmaster. (Compl. ¶¶14-15).
- The LAR-8 rifle, made by Rock River Arms. (Compl. ¶16).
- The Masada and Massoud rifles, made by Magpul. (Compl. ¶17).
- Functionality and Market Context: The complaint does not provide specific details regarding the technical functionality or operation of the accused rifles. (Compl. ¶¶14-18). It alleges these products are sold throughout the United States and specifically in Utah through various retailers. (Compl. ¶¶10-11).
IV. Analysis of Infringement Allegations
No probative visual evidence provided in complaint.
The complaint alleges infringement in a conclusory fashion without providing an element-by-element analysis or claim chart. The following table summarizes the infringement theory implied by the allegation that the Accused Products are covered by Claim 1 of the ’900 patent.
’900 Patent Infringement Allegations
| Claim Element (from Independent Claim 1) | Alleged Infringing Functionality | Complaint Citation | Patent Citation |
|---|---|---|---|
| a magazine well | The complaint alleges the Accused Products contain a magazine well that receives a magazine. | ¶23 | col. 18:3-4 |
| a trigger guard | The complaint alleges the Accused Products contain a trigger guard. | ¶23 | col. 18:5 |
| a magazine catch system comprising a first button accessible from a side of the firearm, wherein depression of the first button releases a magazine disposed within the magazine well | The complaint alleges the Accused Products contain an operable magazine catch system with an accessible button for releasing a magazine. | ¶23 | col. 18:6-10 |
| a bolt hold open system comprising a bolt hold open control arm extending as low as at least a portion of the trigger guard | The complaint alleges the Accused Products contain a bolt hold open system with a control arm positioned relative to the trigger guard. | ¶23 | col. 18:11-14 |
| wherein the bolt hold open control arm extends along both sides of the trigger guard such that the trigger guard is at least partially nested within the bolt hold open control arm | The complaint alleges the bolt hold open control arm and trigger guard of the Accused Products are arranged in the claimed nested configuration. | ¶23 | col. 18:15-22 |
- Identified Points of Contention:
- Scope Questions: The infringement analysis may focus on the interpretation of the phrase "at least partially nested within." A central question for the court will be whether this phrase requires the specific "U-shape" configuration where the bolt hold open arm wraps around the trigger guard, as depicted in the patent's figures, or if it can read on other ambidextrous control arrangements.
- Technical Questions: The complaint provides no evidence or technical description of the accused rifles' control mechanisms. A key question will be whether discovery reveals that the accused rifles' bolt hold open control arms actually extend "along both sides of the trigger guard" in a manner that creates the claimed "nested" relationship.
V. Key Claim Terms for Construction
- The Term: "partially nested within"
- Context and Importance: This term defines the specific structural and spatial relationship between the trigger guard and the bolt hold open control arm. The viability of the infringement claim hinges on whether the configuration of the accused rifles' controls falls within the scope of this limitation. Practitioners may focus on this term because it is a highly specific geometric constraint that distinguishes the invention from prior art and may provide a clear basis for a non-infringement defense if the accused products do not meet its precise definition.
- Intrinsic Evidence for Interpretation:
- Evidence for a Broader Interpretation: A party arguing for a broader interpretation might contend that the plain and ordinary meaning of "nested" does not require the exact "U-shape" shown in the embodiments, but could encompass any arrangement where one component is partially housed or enclosed by another. The claim language itself does not use the term "U-shape."
- Evidence for a Narrower Interpretation: The specification repeatedly describes and illustrates a specific arrangement. The detailed description of the embodiment in Figure 6 states, "The bolt hold open control arm 140 has a U shape. The arms of the U shape are shown in FIG. 6 as extending along both sides of the trigger guard 142." (’900 Patent, col. 13:1-4). This explicit description, tied to the claim language that the arm "extends along both sides of the trigger guard," may be used to argue that the term "nested" is defined by this specific wrapping configuration.
VI. Other Allegations
- Indirect Infringement: The complaint makes a general allegation of inducing and contributing to infringement but provides no specific supporting facts, such as references to user manuals, advertisements, or other materials that would allegedly instruct or encourage infringing use. (Compl. ¶23).
- Willful Infringement: Willfulness is alleged based on "information and belief" that Defendants' infringing acts were made "with knowledge of the '900 Patent." (Compl. ¶27). The complaint does not specify whether this alleged knowledge was obtained pre-suit or only after the lawsuit was filed.
VII. Analyst’s Conclusion: Key Questions for the Case
This case appears to present two fundamental questions for the court's determination:
A core issue will be one of definitional scope: can the claim term "partially nested within," which describes the relationship between the trigger guard and the bolt hold open control, be construed broadly, or is it limited by the specification to the specific "U-shaped" embodiment that wraps around the trigger guard?
A key evidentiary question will be one of factual proof: given the notice-pleading style of the complaint, can the Plaintiffs produce evidence through discovery that the accused ACR, LAR-8, Masada, and Massoud rifles actually incorporate the specific ambidextrous control architecture, particularly the precise geometric arrangement of the bolt hold open system, required by Claim 1?