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An unfair term is void — even if you signed it
Updated July 2026

⚖️ Is a plainly unfair contract term still binding?

No
Quick answer

It is not — and your signature will not save it. In consumer contracts, terms are unfair where they cause a significant imbalance in the parties' rights and obligations to the consumer's detriment. Such a term is void, regardless of whether you signed the contract — a consumer cannot waive their rights in advance. The law even names specific cases. One is a term under which a fixed-term contract is automatically extended once the period runs out, while the consumer is given an unreasonably short window in which to object. If a court declares a term unfair, it bans its use in all that trader's consumer contracts.

📋 The rules

  • Unfair = significant imbalance against the consumer
  • Such a term is void
  • Your signature does not save it
  • Automatic renewal with a short window is the classic case
  • A court can ban the term in all contracts

🔓 Exceptions

  • A consumer cannot validly waive their rights in advance
  • Unfairness can be raised even years into performing the contract
  • There is a public database of terms held to be unfair

⚠️ Penalties & fines

"But you signed it" is not a legal argument. Where a term causes a significant imbalance to the consumer's detriment, it is void — and a consumer cannot waive their rights in advance, however the contract is worded. You can raise it even years later, after performing the contract throughout. The classic suspects: automatic renewal with an unreasonably short window to object, unilateral changes to price or conditions, disproportionate contractual penalties, and restrictions on your rights against the supplier. Where to go: the Slovak Trade Inspection or a consumer association — and if a court strikes the term down, it is banned for every customer, not just you.

📎 Official sources

Last verified: 2026-07-12

❓ Frequently asked

What is an unfair contract term?

A provision that causes a significant imbalance in the parties' rights and obligations to the detriment of the consumer. Such a term is void, even though it forms part of a contract you signed.

Am I not bound because I signed it?

No. A consumer cannot validly waive their rights in advance. Your signature therefore does not rescue an unfair term — a court will treat it as void regardless of the signature.

Is automatic renewal a problem?

The law expressly identifies as unfair a term under which a fixed-term contract is extended while the consumer is given an unreasonably short window in which to object to it.

Can I raise this years later?

Yes. The unfairness of a term can be raised even after a long period of performing the contract. Having performed it does not mean you accepted the unfair term.

Where can I turn?

To the Slovak Trade Inspection or a consumer association. If a court finds a term unfair, it prohibits the supplier from using it in all its consumer contracts, not merely in yours.

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