DCT
2:26-cv-00850
Mingoe Consulting LLC v. Lenovo Group Ltd
Key Events
Complaint
Table of Contents
complaint Intelligence
I. Executive Summary and Procedural Information
- Parties & Counsel:
- Plaintiff: Mingoe Consulting LLC (Texas)
- Defendant: Lenovo Group Limited (Hong Kong)
- Plaintiff’s Counsel: Garteiser Honea, PLLC
- Case Identification: 2:26-cv-00850, E.D. Tex., 09/18/2026
- Venue Allegations: Venue is asserted on the basis that the Defendant is not a resident of the United States and may be sued in any judicial district. The complaint also alleges personal jurisdiction through a stream-of-commerce theory and Federal Rule of Civil Procedure 4(k)(2).
- Core Dispute: Plaintiff alleges that Defendant’s high-performance desktop computers infringe a patent related to dynamically adjusting the operating frequency of computer memory to balance performance and power consumption.
- Technical Context: The technology addresses dynamic power and performance management for Dynamic Random-Access Memory (DRAM), a critical component in modern computing, by altering its clock speed based on real-time usage.
- Key Procedural History: The complaint notes that the patent-in-suit is also the subject of a pending enforcement action against ASUSTeK Computer Inc., which remains in active litigation.
Case Timeline
| Date | Event |
|---|---|
| 2010-06-28 | '411 Patent Priority Date |
| 2013-03-26 | '411 Patent Issue Date |
| 2026-09-18 | Complaint Filing Date |
II. Technology and Patent(s)-in-Suit Analysis
U.S. Patent No. 8,407,411 - "Operation Frequency Adjusting System and Method Thereof"
- Patent Identification: U.S. Patent No. 8,407,411 (“Operation Frequency Adjusting System and Method Thereof”), issued March 26, 2013.
The Invention Explained
- Problem Addressed: The patent's background describes how conventional system-on-chips (SOCs) pre-configure the operating frequency of DRAM, leading to an inefficient trade-off between performance and power consumption. This is because the memory bandwidth required can vary dramatically depending on the task, from high-demand (e.g., high-definition video) to low-demand (e.g., MP3 playback) ’411 Patent, col. 1:20-44
- The Patented Solution: The invention is a system that dynamically adjusts the DRAM's operating frequency based on its actual usage. It proposes a "statistic module" that monitors the "effective operations" of the DRAM to determine its "bandwidth utilization rate." A "parameter configuration module" then uses this data to generate a new "target operation frequency," and a "frequency switch controller" changes the DRAM's speed accordingly ’411 Patent, abstract ’411 Patent, col. 2:11-18 This allows the system to conserve power when memory demand is low and ramp up performance when needed.
- Technical Importance: This dynamic adjustment capability is crucial for balancing performance with power efficiency, a persistent challenge in computing systems ranging from battery-powered devices to high-performance desktops.
Key Claims at a Glance
- The complaint asserts infringement of at least independent Claim 1 Compl. ¶21
- The essential elements of Claim 1 are:
- A "statistic module" that counts "effective operations" of a DRAM.
- A "parameter configuration module" that generates a "target operation frequency" based on that count.
- A "frequency switch controller" that switches the DRAM from its current frequency to the target frequency.
- The complaint does not explicitly reserve the right to assert dependent claims, though the prayer for relief seeks a declaration of infringement of "one or more claims" Compl., Prayer A
III. The Accused Instrumentality
Product Identification
- The "Accused Products" are specific configurations of "Lenovo Legion Tower 7i Gen 8 / Legion T7 34IRZ8" desktop computers. These configurations are defined as containing an unlocked Intel K- or KF-series processor, an Intel Z790 motherboard, and a compatible BIOS that implements "Intel DMB" (Dynamic Memory Boost) technology, along with XMP-certified DDR5 memory Compl. ¶15
Functionality and Market Context
- The complaint alleges the accused functionality is provided by Intel's Dynamic Memory Boost (DMB) technology, which it describes as "intelligent, on-demand memory overclocking that optimizes platform performance based on usage" Compl. ¶17 Plaintiff alleges that when DMB is enabled, the Accused Products perform the claimed functions by using "memory-controller performance-monitoring circuitry" to accumulate "DRAM-use operations," using that statistic to select a target frequency, and directing the memory controller to switch to that target frequency Compl. ¶18 No probative visual evidence provided in complaint.
IV. Analysis of Infringement Allegations
'411 Patent Infringement Allegations
| Claim Element (from Independent Claim 1) | Alleged Infringing Functionality | Complaint Citation | Patent Citation |
|---|---|---|---|
| a statistic module counting effective operations of a Dynamic Random-Access Memory (DRAM) | The Accused Products' "DRAM-usage monitoring counts effective DRAM operations" via "memory-controller performance-monitoring circuitry" Compl. ¶18 | ¶22 | col. 3:28-34 |
| a parameter configuration module generating a target operation frequency according to a count of the effective operations of the DRAM | The Accused Products' "BIOS/firmware configuration logic generates a target DRAM operation frequency from that count" by using the "DRAM-usage statistic to select a target memory frequency" Compl. ¶18 | ¶22 | col. 3:35-39 |
| a frequency switch controller switching from a present operation frequency of the DRAM to the target operation frequency | The Accused Products' "memory-controller logic switches the DRAM from its present frequency to that target" by directing the memory controller to make the switch Compl. ¶18 | ¶22 | col. 3:39-42 |
- Identified Points of Contention:
- Scope Questions: A central question may be whether the functional blocks recited in the claim (e.g., "statistic module") can be read to cover the specific hardware and software components (e.g., Intel's DMB, Lenovo's BIOS, "memory-controller performance-monitoring circuitry") alleged to perform the functions Compl. ¶18 Compl. ¶22
- Technical Questions: The complaint's infringement theory relies on the assertion that Intel's DMB technology operates in a manner that maps to the claim elements Compl. ¶18 A likely point of contention will be the actual technical operation of DMB. For example, what evidence demonstrates that DMB "counts effective operations" as opposed to using a different metric (e.g., overall memory bandwidth, latency targets) to trigger frequency changes?
V. Key Claim Terms for Construction
- The Term: "statistic module"
- Context and Importance: This term represents the core monitoring component of the claimed invention. The infringement case hinges on whether the "memory-controller performance-monitoring circuitry" and associated logic of the Accused Products Compl. ¶18 can be considered a "statistic module." Practitioners may focus on this term because its scope will likely determine whether the accused implementation falls within the patent's boundaries.
- Intrinsic Evidence for Interpretation:
- Evidence for a Broader Interpretation: The patent specification describes the module in broad, functional terms, stating it is for "counting effective operations of a DRAM" ’411 Patent, col. 2:12-13 This suggests the term could encompass any component that performs this counting function, regardless of its specific structure.
- Evidence for a Narrower Interpretation: Figure 3 and the accompanying description detail a specific embodiment of the statistic module, which includes an "Effective Operation Statistic Sub-module" (111) further comprising a "Time Interval Register," a "Time Counter," a "Status Counter," and a "Status Accumulation Register" ’411 Patent, Fig. 3 ’411 Patent, col. 4:27-51 A party could argue that the term should be limited to structures that contain these specific sub-components or their clear equivalents.
VI. Other Allegations
- Indirect Infringement: The complaint alleges induced infringement, stating that Lenovo takes active steps such as "advertising and instructing infringing uses" and providing marketing materials and software (e.g., "Lenovo Vantage for Gaming") that instruct users how to enable and use the accused memory-adjusting features Compl. ¶¶32-33 It further alleges contributory infringement, asserting the Accused Products are a material component "especially made or adapted for use in an infringement" and not a staple article of commerce Compl. ¶36
- Willful Infringement: The willfulness allegation is based on alleged knowledge of the '411 Patent from the date of service of the complaint Compl. ¶25 In the alternative, it is based on a theory of willful blindness, alleging that Defendant has a "policy or practice against investigating third-party patent rights" Compl. ¶27
VII. Analyst’s Conclusion: Key Questions for the Case
- A core issue will be one of claim construction: how broadly will the court define the functional terms of Claim 1, such as "statistic module"? The outcome will determine whether the specific hardware and firmware combination implementing Intel's DMB technology in Lenovo's products can be considered an embodiment of the claimed system.
- A key evidentiary question will be one of technical mapping: can the Plaintiff produce discovery evidence to prove that the accused Intel Dynamic Memory Boost technology, as it operates in Lenovo's systems, actually performs the specific steps recited in the claims (e.g., "counting effective operations")? The case may turn on whether the accused functionality aligns with the patented method or operates on a different technical principle.
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