---
title: "Chapter 4 (Art. 16 - 19) — Market investigation"
url: "https://prighter.com/resources/laws/digital-markets-act/chapters/chapter-4"
type: "Chapter"
date: "2025-05-21T08:23:24.569Z"
---

# Chapter 4 (Art. 16 - 19) — Market investigation

## Articles

- [Opening of a market investigation](https://prighter.com/resources/laws/digital-markets-act/articles/article-16)
- [Market investigation for designating gatekeepers](https://prighter.com/resources/laws/digital-markets-act/articles/article-17)
- [Market investigation into systematic non-compliance](https://prighter.com/resources/laws/digital-markets-act/articles/article-18)
- [Market investigation into new services and new practices](https://prighter.com/resources/laws/digital-markets-act/articles/article-19)

## Sitemap

- Site map (Markdown): https://prighter.com/sitemap.md
- LLMs index: https://prighter.com/llms.txt