Case Overview

In a case that resolved almost as quickly as it began, InnoMemory, LLC v. Amarillo National Bank (Case No. 1:24-cv-00232) concluded with a voluntary dismissal just 43 days after filing in the Western District of Texas. The plaintiff, InnoMemory LLC, voluntarily dismissed the action with prejudice under Federal Rule of Civil Procedure 41(a)(1)(A)(i) before the defendant filed any responsive pleading or motion for summary judgment — a procedural posture that carries significant strategic implications for memory technology patent litigation.

At stake were two patents covering integrated circuit memory architecture: US7057960B1 and US6240046B1, directed at RAM read-cycle optimization and power-efficient memory refresh operations — technologies foundational to modern banking infrastructure systems. The rapid closure, with each party bearing its own costs, raises important questions about pre-litigation due diligence, assertion strategy, and the growing scrutiny of patent monetization in niche technology sectors.

For patent attorneys, IP professionals, and R&D teams operating in the semiconductor and memory technology space, this case offers a concise but instructive window into how patent assertion campaigns can materialize and dissolve in the current litigation environment.

The Parties

The Patents at Issue

This case involved two patents covering integrated circuit memory architecture, technologies foundational to modern computing infrastructure. These patents are registered with the U.S. Patent and Trademark Office (USPTO).

• • US7057960B1 — Integrated circuit random access memory (RAM) architecture capable of reading one or more data words in a single clock cycle.
• • US6240046B1 — Method and architecture for reducing power consumption in memory devices during refresh operations.

The Verdict & Legal Analysis

Litigation Timeline & Procedural History

Filed in the Western District of Texas before Chief Judge Robert Pitman, this action reflects a continuing trend of NPE plaintiffs selecting Texas federal courts for patent assertions. The case never advanced beyond the initial pleading stage.

No answer, motion to dismiss, or summary judgment motion was filed by Amarillo National Bank within the 43-day window. The dismissal under FRCP 41(a)(1)(A)(i) meant InnoMemory retained the procedural right to dismiss unilaterally. The “with prejudice” designation permanently extinguishes InnoMemory’s claims against Amarillo National Bank on these patents.

Outcome

The case was voluntarily dismissed with prejudice by InnoMemory LLC on April 16, 2024. No damages were awarded, no injunctive relief was granted, and no claim construction hearing occurred. Each party was ordered to bear its own costs, expenses, and attorneys’ fees — a standard cost allocation in pre-answer voluntary dismissals.

Legal Significance

The infringement action was terminated before any substantive legal rulings on validity or infringement were issued. The absence of a defense filing before dismissal suggests one of several plausible scenarios: a pre-dismissal settlement, a licensing resolution negotiated privately, or strategic withdrawal following defendant’s preliminary non-infringement communications.

The **”with prejudice”** election is strategically notable. Plaintiffs typically dismiss with prejudice only when a resolution has been reached (licensing agreement, settlement payment) or when the assertion is being permanently abandoned against that specific defendant. While this case produced no precedential rulings, it highlights several procedural and strategic dimensions:

• End-User Assertion Risk: Targeting a regional bank — rather than a memory chip manufacturer — reflects an end-user assertion model, which faces heightened scrutiny.
• FRCP 41(a)(1)(A)(i) Mechanics: This procedural vehicle is available only before an answer or summary judgment motion is filed, highlighting the importance of defendant response timing.
• Fee-Shifting Exposure Avoided: By dismissing before any substantive defense activity, InnoMemory avoided significant fee-shifting risk under 35 U.S.C. § 285.