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How many laws can one feature carry?

A chatbot, a cookie banner, a subscription. For every feature I show how many EU laws apply and how to turn them into design and code.

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Behind every feature sits a ton of legal text. Feature League breaks it down so that a developer and a designer can read it in five minutes.

Each one has a preview, the number of laws, the questions to ask and what follows for UX and code. Next to it an agent waits to talk your feature through.

It is not legal advice. It is a guide to what to think about. For a binding assessment of your feature, Karel Navrátil works as an attorney.

New feature

Website chatbot

The window in the bottom right corner that answers customers. Since August 2026 it has to introduce itself as AI, and people type more personal data into it than you think.

5 laws

Open the breakdown

All features

3

Laws that keep coming back

How many features in the overview each law applies to.

All laws

FAQ

The short answers are here. Ask the agent about the rest.

  • Breakdowns of one website or app feature after another: a chatbot, a cookie banner, a newsletter, sign-in, subscriptions. For each I show how many EU laws typically apply, what to ask and how to turn the obligations into UX and code. All features

  • No. It is a general explanation for developers, designers and product people, meant to show what to think about. Your feature may look different from the one in the breakdown. When you need a binding assessment, write to me as an attorney. Write to Karel

  • Karel Navrátil, an attorney-at-law registered with the Czech Bar Association and a frontend designer. I write the Feature League as someone who builds websites and apps himself. About

  • I count the EU laws and Czech acts that apply to the usual form of that feature. App Store and Google Play rules are counted separately, they are not law. The number is indicative: the exact list depends on what your feature does, for whom and at what scale. Laws

  • It talks through the design and development of the feature with you: it asks what you are building, compares it with the breakdown and shows where to focus. The answers are generated by AI and may be inaccurate. Do not send it personal or sensitive data. It gives no legal opinion, that is what Karel is for.

  • Ask the agent

Building a feature and want it without fouls?

Toadvokat@navratilkarel.com

Toadvokat@navratilkarel.com