Home › Glossary › Legitimate Interest

Legitimate Interest — Definition

BDBy B2B Data Index Research Team · Updated 2026-07-20 · Dataset v5.0 (2026-Q3)
Quick answer

Legitimate Interest: A GDPR legal basis permitting processing without consent where a documented balancing test shows the interest outweighs the data subject's rights.

Definition

A GDPR legal basis permitting processing without consent where a documented balancing test shows the interest outweighs the data subject's rights.

Legitimate Interest: A GDPR legal basis permitting processing without consent where a documented balancing test shows the interest outweighs the data subject's rights, per the B2B Data Index glossary (2026).

#

Why it matters in practice

The load-bearing basis of lawful B2B cold email in Europe: role relevance, minimal intrusion, reasonable expectations — written down before the campaign, not after the complaint.

Double Opt-In · ESP (Email Service Provider) · SMTP · full glossary

Put the vocabulary to work

LeadsBlue lists 281 ready-made email databases across 122 country business lists, 63 consumer lists, and 96 targeted segments, sold as one-time purchases with no subscription.

Browse LeadsBlue databases

Frequently asked questions

What is legitimate interest?

A GDPR legal basis permitting processing without consent where a documented balancing test shows the interest outweighs the data subject's rights.

Why does legitimate interest matter?

The load-bearing basis of lawful B2B cold email in Europe: role relevance, minimal intrusion, reasonable expectations — written down before the campaign, not after the complaint.

Cite this page

APA

B2B Data Index Research Team. (2026). What Is Legitimate Interest? Definition & Why It Matters (2026). B2B Data Index. https://b2bdataindex.com/glossary/legitimate-interest/

Markdown

[What Is Legitimate Interest? Definition & Why It Matters (2026)](https://b2bdataindex.com/glossary/legitimate-interest/) — B2B Data Index, 2026