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Court of Justice judgment · Case C-25/17

Proceedings brought by Tietosuojavaltuutettu

Reviewed by Sergio Maldonado Elvira on 29 October 2026

Case
C-25/17
Court
Court of Justice
Date of judgment
10 July 2018
ECLI
ECLI:EU:C:2018:551
Instrument
Directive 95/46/EC (pre-GDPR; reasoning still applied under the GDPR)

Listed under "Related (earlier law or other instruments)": this judgment concerns earlier law or another instrument, not the GDPR alone.

Holding (summary, not the official text)

Notes taken by members of a religious community during door-to-door preaching are not a purely personal activity and can form a filing system; the community can be a controller jointly with its members even without access to the data.

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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