The change in intangible assets breaks down as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (in thousands of euros) | As of January 1, 2025 | | Increases | | Decreases | | Transfer | | Currency
translation | | As of December 31, 2025 | | Patents | 65 | | | 7 | | | — | | | — | | | — | | | 72 | | | Software | 669 | | | 1 | | | — | | | — | | | — | | | 669 | | | | | | | | | | | | | | | Gross book value of intangible assets | 734 | | | 8 | | | — | | | — | | | — | | | 742 | | | Patents | (65) | | | (1) | | | — | | | — | | | — | | | (66) | | | Software | (662) | | | (4) | | | — | | | — | | | — | | | (666) | | Accumulated depreciation of intangible assets (1) | (727) | | | (5) | | | — | | | — | | | — | | | (732) | | | Net book value of intangible assets | 7 | | | 3 | | | — | | | — | | | — | | | 10 | |
(1)Expenses for the period are detailed in Note 17.4. Depreciation, amortization and provisions expenses
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (in thousands of euros) | As of January 1, 2024 | | Increases | | Decreases | | Transfer | | Currency
translation | | As of December 31, 2024 | | Patents | 65 | | | — | | | — | | | — | | | — | | | 65 | | | Software | 667 | | | 2 | | | — | | | — | | | — | | | 669 | | | | | | | | | | | | | | | Gross book value of intangible assets | 732 | | | 2 | | | — | | | — | | | — | | | 734 | | | Patents | (65) | | | — | | | — | | | — | | | — | | | (65) | | | Software | (659) | | | (4) | | | — | | | — | | | — | | | (662) | | Accumulated depreciation of intangible assets (1) | (724) | | | (4) | | | — | | | — | | | — | | | (727) | | | Net book value of intangible assets | 8 | | | (2) | | | — | | | 0 | | 0 | | 7 | |
(1)Expenses for the period are detailed in Note 17.4. Depreciation, amortization and provisions expenses
|