Court of Justice of the European Union · Judgment
C-666/18IT Development SAS v Free Mobile SAS
- Decided
- 2019-12-18
- ECLI
- ECLI:EU:C:2019:1099
- CELEX
- 62018CJ0666
- Finality
- Final, the decision cannot be appealed
The court's own keywords
Reference for a preliminary ruling — Intellectual property — Enforcement of intellectual property rights — Directive 2004/48/EC — Legal protection of computer programs — Directive 2009/24/EC — Software licence agreement — Unauthorised modification of the source code of a computer program by a licensee in breach of the licence agreement — Action for infringement brought by the author of the program against the licensee — Nature of the applicable liability regime.
Interprets
Read from EU:s publikationsbyrå, Cellar (EUR-Lex och CURIA) on 2026-08-22.
The row repeats what the source states. It is not a summary, not a conclusion about any single case and not legal advice.
Verifiable trust signals
- Six fixed blocks, one source per line
- No sentence written by a language model
- Engine version and read date on every answer
- No customer data, no documents, no advice
- Model card and audit published under the EU AI Act