---
title: "Case C-621/22: judgment of 4 October 2024"
canonical: "https://dposchool.com/gdpr/case/c-621-22"
source: "https://curia.europa.eu/juris/liste.jsf?num=C-621/22&language=en"
source_note: "Only the judgment as published by the Court of Justice is authoritative."
text_as_of: "2026-10-28"
last_reviewed: "2026-10-29"
language: "en"
publisher: "DPO School"
---

Court of Justice judgment · Case C-621/22

# Koninklijke Nederlandse Lawn Tennisbond v Autoriteit Persoonsgegevens

[Reviewed by Sergio Maldonado Elvira on 29 October 2026](https://dposchool.com/gdpr/about#review)

- **Case:** C-621/22
- **Court:** Court of Justice
- **Date of judgment:** 4 October 2024
- **ECLI:** ECLI:EU:C:2024:858
- **Instrument:** Regulation (EU) 2016/679 (GDPR)
- **Provisions:** [Article 6(1)(f)](https://dposchool.com/gdpr/article/6#1-f), [Article 6(4)](https://dposchool.com/gdpr/article/6#4)

## Holding (summary, not the official text)

A purely commercial interest, such as selling members' data to sponsors, can be a legitimate interest if it is lawful, but the processing must be strictly necessary and pass the balancing test.

## Official source

- [Case C-621/22 on CURIA](https://curia.europa.eu/juris/liste.jsf?num=C-621/22&language=en)
- [Judgment on EUR-Lex (CELEX 62022CJ0621)](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:62022CJ0621)

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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