General Law4 min read2026-04-12

Defamation and Honour Violation in Swiss Law

Honour protection: defamation, slander, insult, truth defence and remedies under art. 173-178 CP and art. 28 CC.

Last updated : 2026-04-12

Defamation (art. 173 CP)

Accusing a person or casting suspicion of dishonourable conduct or other facts capable of harming their reputation, communicated to a third party. Monetary penalty up to 180 daily units. Requires: factual allegation harming honour, communication to a third party, honour-damaging character.

Truth Defence (art. 173 ch. 2-3 CP)

No penalty if proving allegations are true (truth defence) or that there were serious reasons to believe them true in good faith (good faith defence). Not available if the accused acted without legitimate interest or primarily to disparage (art. 173 ch. 4 CP).

Slander (art. 174 CP)

Aggravated defamation: the perpetrator knows their allegations are false. Up to three years or monetary penalty. No truth defence available.

Insult (art. 177 CP)

Subsidiary offence covering honour attacks not qualifying as defamation or slander: insults, obscene gestures, etc.

Prosecution

Upon complaint (art. 178 CP). Three-month deadline from knowledge of the perpetrator (art. 31 CP).

Civil Remedies (art. 28 CC)

Prevention, cessation, declaration actions. Damages (art. 41 CO) and moral compensation (art. 49 CO). Right of reply for media publications (art. 28g-28l CC).

Online and Social Media

Same rules apply. Defamatory online publications are punishable. Public character and reach may be aggravating factors.

Frequently Asked Questions

What is the difference between defamation and slander?

Defamation (art. 173 CP): alleging honour-damaging facts. Slander (art. 174 CP): defamation where the perpetrator knows the allegations are false. Slander is more severely punished.

Can you defend by proving the truth of the allegations?

Yes, for defamation (art. 173 ch. 2 CP). Truth or good faith defence liberates. Not available for slander.

What is the deadline to file a complaint for defamation?

Three months from knowledge of the perpetrator (art. 31 CP). After that, the right to complain is lost.

Editorial note

This article is provided for general information on Swiss law. It does not constitute legal advice and is no substitute for consulting a professional.

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