Court of Justice judgment · Case C-77/21

Digi Távközlési és Szolgáltató Kft. v Nemzeti Adatvédelmi és Információszabadság Hatóság

Reviewed by Sergio Maldonado Elvira on 29 October 2026

Case: C-77/21
Court: Court of Justice
Date of judgment: 20 October 2022
ECLI: ECLI:EU:C:2022:805
Instrument: Regulation (EU) 2016/679 (GDPR)
Provisions: Article 5(1)(b), Article 5(1)(e), Article 6(4)

Holding (summary, not the official text)

Copying customer data into a test database can be compatible further processing under Art. 6(4), but keeping the data there longer than needed for testing breaches storage limitation.

Case C-77/21 on CURIA
Judgment on EUR-Lex (CELEX 62021CJ0077)

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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