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In re: Hard Disk Drive Suspension Assemblies Antitrust Litigation

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Case overview

Case Number:

3:19-md-02918

Court:

California Northern

Nature of Suit:

Anti-Trust

Multi Party Litigation:

Multi-district Litigation

Judge:

Maxine M. Chesney

Firms

Companies

Sectors & Industries:

  1. March 09, 2026

    9th Circ. Won't Rethink Revival Of Price-Fixing Claim

    The Ninth Circuit has refused a rehearing bid from Japanese manufacturer NHK Spring for a ruling that revived a number of Seagate Technologies' antitrust claims against it in a case concerning hard drive component prices.

  2. January 08, 2026

    9th Circ. Vacates Seagate Loss In Hard Drive Price-Fixing Case

    The Ninth Circuit on Thursday resurrected a number of Seagate Technologies' antitrust claims against Japanese manufacturer NHK Spring in a fight over hard drive components, finding that U.S. antitrust laws could indeed apply to the alleged conspiracy in this case even though foreign entities executed transactions abroad.

  3. June 06, 2025

    9th Circ. Mulls If Seagate Win Could Spur Antitrust Suits

    A Ninth Circuit judge on a panel doubted Seagate Technology's request to reverse NHK Spring's partial win in an antitrust fight over hard drive components, observing Friday that Seagate's position may broaden antitrust liability and asking "how does this not open up the floodgates for a new plaintiffs' cottage industry?"

  4. January 13, 2025

    TDK, NHK Face Certified Classes In Price-Fixing MDL

    A California federal judge has certified classes of resellers and end users who allege that electronics manufacturers TDK Corp. and NHK International Corp. fixed prices of certain hard-drive components, rejecting the companies' challenges to the plaintiffs' overcharge damages theories and finding that the claims can be resolved on a classwide basis.

  5. December 12, 2023

    'Hot Tub' Keeps Experts In Hard Disk Part Price-Fixing Case

    A California federal judge overseeing a $163 million case accusing electronics manufacturers TDK Corp. and NHK International Corp. of fixing prices on hard drive components questioned two expert witnesses Tuesday in an hourslong courtroom "hot tub" before denying the manufacturers' request to exclude their testimony from the plaintiffs' class certification bid.

  6. May 16, 2023

    More Claims Deleted In Hard Disk Part Price-Fixing Case

    Seagate Technology LLC cannot go after Japanese manufacturer NHK for illegally conspiring to fix the prices of suspension assemblies used in hard disk drives if those drives did not later make it into the United States, a California federal judge has ruled.

  7. September 22, 2021

    Raft Of Claims Deleted In Hard Disk Parts Price-Fixing Case

    A California federal judge threw out a range of price-fixing claims against hard disk parts manufacturers Wednesday, but kept part of the litigation afloat and gave two groups of plaintiffs a month to rework the jettisoned claims.

  8. August 28, 2020

    Data Co.'s Claims Trimmed From Hard Disk Price-Fixing MDL

    Seagate Technology will have to rejigger some antitrust claims as part of multidistrict litigation accusing Japanese manufacturers TDK and NHK of illegally conspiring to fix the prices of suspension assemblies used in hard disk drives, after a California federal judge partially culled the data storage company's claims.

  9. December 18, 2019

    Robins Kaplan To Lead Hard Disk Buyers In Price-Fixing MDL

    Robins Kaplan LLP will represent a proposed class of hard disk drive users in multidistrict litigation accusing Japanese manufacturers TDK and NHK of illegally conspiring to fix the prices of suspension assemblies used in the devices.