Legal Battle: US Lawsuit Hits Samsung, SK Hynix, and Micron Over Memory Price Fixing

In a significant legal move, three of the world's dominant memory chip manufacturers—Samsung Electronics, SK hynix, and Micron—are facing a lawsuit in the United States. The suit alleges a coordinated effort to manipulate the pricing of D-RAM, contributing to a phenomenon known as "chipflation."

The Core Allegations

Filed on June 25th in a California federal court, the lawsuit was initiated by a group of plaintiffs consisting of:

• 14 individual consumers
• 3 small businesses (including specialized PC retailers)

The plaintiffs argue that these three giants, who maintain an oligopoly over the global D-RAM market, conspired to inflate prices starting in 2022. According to the filing, this collusion led to a staggering price increase over a four-year window:

$\text{Price Increase} \approx 700\%$

The "HBM Pretext" Strategy

The lawsuit claims the companies used the industry shift toward High-Bandwidth Memory (HBM) as a convenient excuse to artificially restrict the supply of standard D-RAM.

"The D-RAM oligopoly companies systematically coordinated the shift to HBM and the discontinuation of DDR3 and DDR4," the plaintiffs allege.

To visualize the alleged strategy:

Legal Stakes and Potential Impact

The case is currently small, but the law firm representing the plaintiffs, Bathaee Dunne (known for winning a previous case against Google regarding digital ad collusion), is seeking class-action status.

Potential Outcomes

If the court grants class-action approval, the scope of the lawsuit would expand to include all businesses and consumers who purchased D-RAM containing chips. The financial risk is severe:

Legal Roadmap

• Lawsuit filed in California Federal Court (June 25)
• Court review of class-action eligibility
• Discovery phase and evidence presentation
• Final verdict/Settlement

Historical Context and Market Outlook

This is not the first time these firms have faced such accusations. In the early 2000s, both Samsung and SK hynix were convicted of price fixing in the US, which resulted in:

1. Substantial corporate fines.
2. Prison sentences for several high-ranking executives.

Despite the gravity of the lawsuit, some analysts remain skeptical about immediate market volatility. For instance, the investment bank Jefferies suggests that memory prices will likely remain unaffected by this legal battle at least through the end of the current year.

{
  "case_summary": {
    "defendants": ["Samsung", "SK hynix", "Micron"],
    "allegation": "Price Fixing / Collusion",
    "trigger": "Apple product price hikes",
    "key_tech": ["D-RAM", "HBM", "DDR3", "DDR4"],
    "jurisdiction": "California, USA"
  }
}

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Original reporting by Park Yoon-sun for Seoul Economic Daily. This summary preserves the details of the June 29, 2026 report.