Ranked in 1 Practice Areas
1

Band 1

Ranked in Guides

About

Provided by Patrick Haas

Global

Practice Areas

Litigation / International litigation

Career

Patrick Haas is a partner and attorney-at-law at AKD who specialises in dispute resolution, with a focus on complex cross-border collective redress claims.

Patrick has assisted various claimant foundations in bringing large-scale damages claims, including the diesel emissions litigation and the truck cartel case involving more than 15 car manufacturers, as well as proceedings against EY relating to its role in the Wirecard scandal.

Professional litigation funders value working with Patrick because of his business-oriented background, his thorough and high-quality analysis of complex cases and his innovative approach to international collective redress.

Patrick also represents clients in complex disputes between stakeholders of large companies, including shareholder disputes and cases concerning directors’ liability. The matters he handles typically involve complex issues of (international) corporate law in situations where parties have widely divergent interests.

Patrick is ranked Band 1 in the Chambers Global Guide for Litigation: Mass Torts: Mainly Plaintiffs – Netherlands. Clients praise his expertise and commercial mindset. One client notes that “Patrick is very strong in the content. He leads his team well and is always approachable for developments in the case.” Another client remarks that “he comes up with different ways to help clients and is very commercial.”

In addition to his practice, Patrick regularly gives lectures and workshops and is an experienced speaker at international conferences on collective redress.

Chambers Review

Provided by Chambers

Chambers Global Guide

Litigation: Mass Torts: Mainly Plaintiffs - Netherlands

1
Band 1
Individual Editorial

Patrick Haas has notable experience acting for claimants on high-profile class actions and damages claims. He regularly represents non-profit foundations operating in the automotive, finance and technology sectors.

Contributions

Latest contributions provided by Patrick Haas

In-Depth Overview
Patrick Haas
Jeffrey Kleywegt
Robert van Vugt
Andre Reznitchenko
Gijs Wanders
Authored by
Patrick Haas, Jeffrey Kleywegt, Robert van Vugt, Andre Reznitchenko, Gijs Wanders
Article • Feb 2026

Strengths

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