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JUDGMENT OF THE COURT (Grand Chamber)

10 July 2018 (*)

(Reference for a preliminary ruling — Protection of individuals with regard to the processing of personal data — Directive 95/46/EC — Scope of the directive — Article 3 — Data collected and processed by the members of a religious community in the course of their door-to-door preaching — Article 2(c) — Definition of a ‘personal data filing system’ — Article 2(d) — Definition of a ‘controller’ of the processing of personal data — Article 10(1) of the Charter of Fundamental Rights of the European Union)

In Case C‑25/17,

REQUEST for a preliminary ruling under Article 267 TFEU from the Korkein hallinto-oikeus (Supreme Administrative Court, Finland), made by decision of 22 December 2016, received at the Court on 19 January 2017, in the proceedings

Tietosuojavaltuutettu

intervening parties:

Jehovan todistajat — uskonnollinen yhdyskunta,

THE COURT (Grand Chamber),

composed of K. Lenaerts, President, A. Tizzano, Vice-President, R. Silva de Lapuerta, T. von Danwitz (Rapporteur), J.L. da Cruz Vilaça, J. Malenovský, E. Levits and C. Vajda, Presidents of Chambers, A. Borg Barthet, J.-C. Bonichot, A. Arabadjiev, S. Rodin, F. Biltgen, K. Jürimäe and C. Lycourgos, Judges,

Advocate General: P. Mengozzi,

Registrar: C. Strömholm, Administrator,

having regard to the written procedure and further to the hearing on 28 November 2017,

after considering the observations submitted on behalf of:

• the tietosuojavaltuutettu, by R. Aarnio, acting as Agent,
• Jehovan todistajat — uskonnollinen yhdyskunta, by S.H. Brady, asianajaja, and by P. Muzny,
• the Finnish Government, by H. Leppo, acting as Agent,
• the Czech Government, by M. Smolek and J. Vláčil, acting as Agents,
• the Italian Government, by G. Palmieri, acting as Agent, and by P. Gentili, avvocato dello Stato,