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Court of Justice judgment · Case C-203/22

CK v Magistrat der Stadt Wien

Reviewed by Sergio Maldonado Elvira on 29 October 2026

Case
C-203/22
Court
Court of Justice
Date of judgment
27 February 2025
ECLI
ECLI:EU:C:2025:117
Instrument
Regulation (EU) 2016/679 (GDPR)

Holding (summary, not the official text)

For automated decisions, 'meaningful information about the logic involved' means explaining the procedure and principles actually applied, in an understandable way; where trade secrets or third-party data are claimed, the controller must give them to the authority or court to balance.

Checked against the official source on 28 October 2026.

Only the judgment as published by the Court of Justice is authoritative. This is reference material, not legal advice.

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