legitimate interest

Lawfulness: Legitimate interest

paid – 3 min read

When can you rely on legitimate interest as a legal basis? Plus practical tips and key resources (GDPR, DPD, CFR, OECD, CJEU rulings and EDPB guidance).

Feb 1, 2026

CJEU C-621/22 KNLTB (legitimate interests) 4 Oct 2024

paid – 3 min read

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Jan 19, 2026

CJEU C-40/17 Fashion ID 29 Jul 2019

paid – 4 min read

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Jun 17, 2025

CJEU C-209/23 RRC Sports 15 May 2025 AG Opinion

paid – 2 min read

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May 21, 2025

EDPB Opinion 28/2024: AI models

paid – 4 min read

A must-read if the subject matter is relevant. Yes, legitimate interest can apply in the context of AI models—but your documentation needs to be thorough. And don’t forget to involve your DPO.

Jan 27, 2025

🇮🇪 DPC fines LinkedIn €310m for illegal behavioural analysis and targeted advertising ('BA & TA')

paid – 7 min read

Key takaways: Lack of lawful basis = loss of control = 'significant damage', lawful bases are notoriously tricky to get right, and most have lots to gain in improving information and transparency. Full decision = a key lesson on legitimate interest and LIAs.

Jan 22, 2025