Mgr. ANNA VEJMELKOVÁ, advokát

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Common Mistakes When Signing Purchase Agreements – What to Watch Out For

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We sign purchase agreements every day – from buying electronics to transferring million-crown real estate. And precisely because we take them for granted, we make the most mistakes with them. In practice, I see the same issues repeatedly: incorrectly described properties, vague prices, unclear warranty provisions. These “small details” often cost clients years of litigation and hundreds of thousands in losses.

This article is part of the Main Purchase Agreement Hub, where you will find an overview of all basic articles on this topic – from essential elements to property transfers and common disputes.

You Might Be Thinking…

“If my contract says what I’m buying and for how much, isn’t that enough?”
Often, it’s not. Without clear wording and complete essentials, the contract is full of holes – and the other party can easily take advantage of them.


Clients Often Ask Me…

  • What are the most common mistakes that make contracts invalid?

  • What should I always check before signing?

  • How to avoid problems with the Land Register?

  • Can mistakes be fixed later?

  • What mistakes do people make with free templates?


Common Mistakes in a Nutshell

Based on practice, the most frequent mistakes include:

  • Incomplete identification of parties – wrong ID number, missing date of birth, incorrect address.

  • Unclear subject of purchase – missing VIN for cars, incorrect parcel number for real estate.

  • Missing or vague price – “price by agreement” without clarity is invalid.

  • No provisions on defects – unclear warranty or liability terms.

  • Unsigned or unverified signatures – leads to rejection by the Land Register in real estate.

  • Outdated templates – often don’t comply with current law.


Step-by-Step Guide

  1. Check the parties – correct names, addresses, ID numbers.

  2. Describe the subject precisely – VIN, parcel number, unit, quantity.

  3. Confirm the price – state the exact amount or method of calculation.

  4. Include provisions on defects and warranties.

  5. Ensure the proper form – always written with verified signatures for real estate.

  6. Never sign without legal review.


Examples from Practice

  • Incorrect parcel number – Land Register rejected the filing, the deal had to be repeated.

  • “Price by agreement” – the court declared the contract invalid.

  • Outdated online template – contract didn’t cover defects, buyer had no claim rights.


Why Be Careful with DIY Templates

Hundreds of “purchase agreement template free” versions circulate online. Most are outdated and miss crucial provisions. Such contracts are more of a trap than a help – they look like protection, but don’t actually protect you.


Lawyer’s Recommendation

  • Never sign a contract without professional review.

  • Carefully verify all details – especially with real estate.

  • Don’t rely on old templates, every deal needs an individual approach.

Checklist Against Mistakes

✔ correct identification of parties
✔ precise description of the subject
✔ clear price
✔ provisions on defects and warranties
✔ proper form and signatures


FAQ

What is the most common mistake?
Incorrect or incomplete description of real estate in the purchase agreement.

Can mistakes be fixed later?
Yes, but often only with an amendment or by drafting a new contract.

Are online templates safe?
Usually not – they tend to be outdated and don’t reflect your specific risks.

How I Can Help

  • Quick review – I’ll check your contract and spot mistakes before it’s too late.

  • Tailored drafting – I’ll prepare a document without gaps or risks.

  • Representation in disputes – if a mistake has already occurred, I’ll help fix it in court.

Contact a legal professional – I specialize in contract law (learn more here) and purchase agreement (learn more here). 

Do you want to know more?

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