InnoMemory v. NEC: Memory Patent Dismissed With Prejudice in Texas

A patent infringement dispute targeting memory device technology ended swiftly and conclusively when the Eastern District of Texas accepted a joint stipulation of dismissal in InnoMemory, LLC v. NEC Corporation (Case No. 2:24-cv-00541). Filed in July 2024 and resolved by March 2025 — a mere 244 days later — the case centered on US Patent No. 7,057,960B1, which covers methods and architectures for reducing power consumption in memory devices during refresh operations.

The outcome: all claims by Plaintiff InnoMemory were dismissed with prejudice, foreclosing any future reassertion of the same claims against NEC. NEC’s counterclaims, by contrast, were dismissed without prejudice, preserving the company’s legal options.

For patent attorneys, IP professionals, and R&D teams operating in the semiconductor memory space, this case offers meaningful strategic signals — about assertion strategies, the power of early resolution, and the ongoing litigation activity surrounding memory optimization patents in one of the nation’s most patent-plaintiff-friendly venues.

Primary Keyword: Memory patent infringement | Case Reference: InnoMemory v. NEC, E.D. Tex.

Case Overview

The Parties

The Patent at Issue

This case involved **US Patent No. 7,057,960B1** which covers methods and architectures for reducing power consumption in memory devices during refresh operations.

• • US 7,057,960B1 — Methods and architectures for reducing power consumption during DRAM or similar memory refresh cycles.

The Accused Product(s)

The complaint targeted NEC’s implementation of memory refresh operations — a foundational function in virtually all volatile memory architectures. The specific accused products were not publicly detailed in the dismissal record, but the commercial stakes of refresh-optimization technology span the entirety of NEC’s hardware and semiconductor-adjacent product lines.

Legal Representation

Plaintiff’s Counsel:

Isaac Phillip Rabicoff of Rabicoff Law LLC — a firm with a recognized practice in patent assertion matters.

Defendant’s Counsel:

Timothy W. Riffe of Fish & Richardson LLP — one of the nation’s premier patent litigation defense firms.

Litigation Timeline & Procedural History

The Eastern District of Texas remains a strategically significant venue for patent plaintiffs due to its experienced patent dockets, established local rules favorable to scheduling, and historical willingness to proceed to trial. InnoMemory’s venue selection reflects standard PAE strategy: assert in E.D. Tex. to maximize litigation pressure on defendants.

The case resolved before any claim construction hearing, Markman briefing, or summary judgment motion appeared in the public docket — suggesting the parties reached a private resolution (likely a licensing agreement, though specific financial terms were not disclosed) early enough to avoid substantive motion practice. At 244 days, this falls within the range of early-stage settlements that follow initial pleadings and preliminary case management but precede the costliest phases of patent litigation.

No chief judge assignment was specified in the available case data.

The Verdict & Legal Analysis

Outcome

On March 18, 2025, the Eastern District of Texas accepted the Joint Stipulation of Dismissal Pursuant to Fed. R. Civ. P. 41(a)(1)(A)(ii) filed jointly by InnoMemory and NEC. The Court’s order specified:

• All claims by InnoMemory against NEC → DISMISSED WITH PREJUDICE
• All counterclaims by NEC against InnoMemory → DISMISSED WITHOUT PREJUDICE
• Each party bears its own costs, expenses, and attorneys’ fees
• All pending relief requests DENIED AS MOOT

No damages award was disclosed. No injunctive relief was granted or denied on the merits. The case did not proceed to trial.

Verdict Cause Analysis

The dismissal was stipulated — meaning both parties agreed to end the litigation. The asymmetric dismissal structure carries strategic weight:

With Prejudice (Plaintiff’s Claims): InnoMemory cannot refile the same infringement claims under US7,057,960B1 against NEC in any future action. This is a permanent bar — the most protective outcome NEC could achieve short of a court-adjudicated invalidity or non-infringement ruling.

Without Prejudice (NEC’s Counterclaims): NEC preserved its counterclaims — which likely included invalidity challenges and potentially unenforceability arguments — without litigating them to conclusion. This is a standard protective measure: NEC retains the ability to assert these defenses if InnoMemory were ever to reassert related claims (against NEC or in ways that might affect NEC’s interests) in future proceedings.

The mutual cost-bearing provision eliminates any fee-shifting, which under 35 U.S.C. § 285 could theoretically apply in “exceptional cases.” Its inclusion here signals a negotiated, arms-length resolution rather than an adjudicated finding of misconduct by either party.

Legal Significance

While this dismissal carries no precedential value as a merits ruling — the Court issued no claim construction, no validity analysis, and no infringement finding — it remains analytically significant for several reasons:

• Patent Viability Signal: The with-prejudice dismissal suggests NEC’s legal team (Fish & Richardson) applied sufficient early pressure — through licensing negotiations, invalidity analysis, or litigation cost projection — to resolve the matter favorably without full merits adjudication.
• PAE Assertion Economics: The rapid resolution (under 9 months) reflects the cost-benefit calculus inherent in PAE litigation: when a well-resourced defendant signals vigorous defense, early resolution often follows.
• Memory Patent Landscape: US7,057,960B1 remains a live patent (subject to standard USPTO maintenance), and its assertion history may continue against other defendants in the semiconductor memory space.

Strategic Takeaways

For Patent Holders & Assertion Entities:

• Early claim mapping against sophisticated defendants with top-tier litigation counsel requires robust infringement analysis before filing.
• With-prejudice dismissals permanently foreclose reassertion — consider licensing structures that avoid forced with-prejudice outcomes if IP value remains high.

For Accused Infringers:

• Retaining specialized patent defense firms (e.g., Fish & Richardson) early creates leverage for favorable dismissal terms.
• Preserving counterclaims without prejudice maintains invalidity leverage for future licensing negotiations.

For R&D Teams:

• Memory refresh optimization remains a contested IP zone — freedom-to-operate (FTO) analysis is advisable for any product implementing power-reduction techniques in volatile memory architectures.
• Review US7,057,960B1 claims against current and pipeline memory controller designs.

Industry & Competitive Implications

The memory patent space — encompassing DRAM refresh, low-power LPDDR architectures, and embedded memory management — has been an active litigation zone as the proliferation of IoT devices, AI accelerators, and edge computing hardware drives demand for power-efficient memory solutions.

InnoMemory’s assertion against NEC reflects a broader pattern: PAEs acquiring foundational memory patents and asserting them against established hardware vendors with extensive product portfolios. NEC’s global enterprise computing and IT infrastructure business makes memory optimization technology commercially material to its operations.

For companies operating in adjacent spaces — embedded systems OEMs, memory module manufacturers, SoC designers, and server platform developers — this case is a reminder that legacy patents covering fundamental memory management techniques remain assertion-worthy assets. The patent at issue, US7,057,960B1, was filed under application US10/629,667 and represents early-generation power management innovation that predates many current low-power memory standards.

The early resolution, combined with Fish & Richardson’s involvement, suggests the semiconductor and memory industries continue to view aggressive early defense as the most cost-effective response to PAE assertions — avoiding the expense of Markman hearings and expert discovery while securing with-prejudice finality.

FAQ

What patent was involved in InnoMemory v. NEC?

The case involved US Patent No. 7,057,960B1 (Application No. US10/629,667), covering methods and architectures for reducing power consumption in memory devices during refresh operations.

Why were InnoMemory’s claims dismissed with prejudice?

The parties filed a joint stipulation under Rule 41(a)(1)(A)(ii). The with-prejudice dismissal of InnoMemory’s claims was a negotiated term, permanently barring InnoMemory from reasserting the same claims against NEC.

How might this case affect memory patent litigation strategy?

It reinforces that early engagement of specialized defense counsel and proactive licensing negotiations can produce favorable, final resolutions before costly merits proceedings — a template for defending memory patent assertions from PAEs.