Judgment in litigation against a subsidiary
Kioxia Corporation and Kioxia America, Inc.
Some of the Group's products (specific product names: Not disclosed)
The court ordered the payment of damages based on a jury verdict in litigation alleging that some of the Group's products infringed one claim of a patent held by Viasat, Inc.
Related procedures
Judgment in patent infringement litigation
United States District Court for the Western District of Texas
Viasat, Inc.
Kioxia Corporation and Kioxia America, Inc.
Approximately US$229 million (approximately ¥36.6 billion) in damages
Approximately US$229 million (approximately ¥36.6 billion), recognized as a provision for litigation losses
First quarter of the fiscal year ending March 2027
The Company will take all available legal measures, including filing an appeal if necessary. The provision of products and services will continue.
The Company will make timely disclosure if any matter requiring disclosure arises in the future.
| Item | Details |
|---|---|
| Event name | Judgment in litigation against a subsidiary |
| Date of occurrence | 31 July 2026 (U.S. time; date of judgment) |
| Subject Entity | Kioxia Corporation and Kioxia America, Inc. |
| Target Locations / Products | Some of the Group's products (specific product names: Not disclosed) |
| Cause | The court ordered the payment of damages based on a jury verdict in litigation alleging that some of the Group's products infringed one claim of a patent held by Viasat, Inc. |
| Amount of Impact on Business Performance | Approximately US$229 million (approximately ¥36.6 billion), recognized as a provision for litigation losses |
| Accounting period in which recognized | First quarter of the fiscal year ending March 2027 |
| Type of litigation or proceeding | Judgment in patent infringement litigation |
| Court or authority | United States District Court for the Western District of Texas |
| Plaintiff | Viasat, Inc. |
| Defendant | Kioxia Corporation and Kioxia America, Inc. |
| Date of filing / date of action | 31 July 2026 (U.S. time; date of judgment) / Date filed: 29 November 2021 (U.S. time) |
| Claim amount / surcharge amount | Approximately US$229 million (approximately ¥36.6 billion) in damages |
| Outlook | The Company will take all available legal measures, including filing an appeal if necessary. The provision of products and services will continue. |
| Planned follow-up disclosure | The Company will make timely disclosure if any matter requiring disclosure arises in the future. |
Items this document does not state (10)
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.The U.S. District Court for the Western District of Texas, based on a jury verdict, ordered two subsidiaries to pay damages on the grounds that some of the Group's products infringe one claim of a patent held by Viasat, Inc.