Notice of a favorable appellate court judgment in a patent infringement lawsuit
Earth Corporation (filing company)
The Company’s “Earth One-Push No-Mat” product and the “Earth One-Push No-Mat” series
大日本除蟲菊株式会社 filed a patent infringement lawsuit concerning the Company’s products. The Intellectual Property High Court ruled that the patent in question was invalid for lack of inventive step.
Related procedures
Patent infringement lawsuit (appeal)
Intellectual Property High Court
大日本除蟲菊株式会社
Earth Corporation
No amount was disclosed. The disclosure states that “the impact of this matter on the Company’s consolidated results for the current fiscal year is immaterial.”
Fiscal year ending December 2026 (consolidated results for the current fiscal year)
The impact of this matter on the Company’s consolidated results for the current fiscal year is immaterial.
If 大日本除蟲菊株式会社 files a final appeal or a petition for acceptance of a final appeal seeking a hearing before the Supreme Court, the Company will continue to respond appropriately. The Company also plans to seek reimbursement from 大日本除蟲菊株式会社, through proper procedures, for expenses and other costs related to this lawsuit. The Company will also further expand and utilize its intellectual property rights.
| Item | Details |
|---|---|
| Event name | Notice of a favorable appellate court judgment in a patent infringement lawsuit |
| Date of occurrence | 11 November 2026 |
| Subject Entity | Earth Corporation (filing company) |
| Target Locations / Products | The Company’s “Earth One-Push No-Mat” product and the “Earth One-Push No-Mat” series |
| Cause | 大日本除蟲菊株式会社 filed a patent infringement lawsuit concerning the Company’s products. The Intellectual Property High Court ruled that the patent in question was invalid for lack of inventive step. |
| Amount of Impact on Business Performance | No amount was disclosed. The disclosure states that “the impact of this matter on the Company’s consolidated results for the current fiscal year is immaterial.” |
| Accounting period in which recognized | Fiscal year ending December 2026 (consolidated results for the current fiscal year) |
| Impact on Earnings Forecast | The impact of this matter on the Company’s consolidated results for the current fiscal year is immaterial. |
| Type of litigation or proceeding | Patent infringement lawsuit (appeal) |
| Court or authority | Intellectual Property High Court |
| Plaintiff | 大日本除蟲菊株式会社 |
| Defendant | Earth Corporation |
| Date of filing / date of action | 11 November 2026 (date of judgment on appeal). The original action was filed on 1 March 2024, and the appeal was filed on 5 January 2026. |
| Outlook | If 大日本除蟲菊株式会社 files a final appeal or a petition for acceptance of a final appeal seeking a hearing before the Supreme Court, the Company will continue to respond appropriately. The Company also plans to seek reimbursement from 大日本除蟲菊株式会社, through proper procedures, for expenses and other costs related to this lawsuit. The Company will also further expand and utilize its intellectual property rights. |
Items this document does not state (11)
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 Intellectual Property High Court accepted the Company’s arguments that the patent in question was invalid for lack of inventive step and that the Company’s products did not infringe the patent, and dismissed 大日本除蟲菊株式会社’s appeal.