
AKD‘s class action practice represents plaintiffs in cross-border collective redress mandates, with a recent focus on privacy and data protection regulations, cartel cases and competition-related claims. The team regularly handles includes group claims, WAMCA claims and collective settlements. Patrick Haas leads the team and is particularly sought-after among class action funders to represent foundations in cross-border collective redress cases. Jeffrey Kleywegt is experienced in handling emissions-related class actions and automotive cartel cases.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘A very knowledgeable team.’
- ‘Jeffrey Kleywegt was thorough and careful in providing advice to us but also highly commercial, recognising when some things need to be more about substance than form.’
- ‘AKD has a strong team and can pursue class actions most efficiently.’
- ‘Patrick Haas is very experienced and commercial. He is nice to work with.’
- ‘They possess expertise in mass claims litigation cases, knowledge of industry techniques, public law, and strong negotiation skills. They readily take charge, and their leadership is rewarded.’
- ‘Patrick Haas is quick and a smart strategic lawyer. He has a lot of knowledge about the multi-party litigation space in the Netherlands, and knows how to help a client. One of the most experienced lawyers on claimant side.'
Key clients
- Stichting Truck Claim
- Stichting Car Claim
- Stichting Volkswagen Investor Claim
- Stichting Wirecard Investors Claim
- Stichting Converium Securities Compensation
- Stichting Data Bescherming Nederland
- Municipality of The Hague
- Vitens N.V.
Work highlights
Represented Stichting Data Bescherming Nederland in separate collective redress proceedings against Amazon and X (formerly Twitter).
Represented DutcStichting Car Claim in separate collective redress proceedings against the Volkswagen group, Stellantis, Mercedes-Benz and Renault and their respective Dutch importers and dealer companies.
Represented Stichting Truck Claim in a collective private enforcement action against all parties accused by the European Commission of a price cartel that took place between 1997 and 2011.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Patrick Haas
Other key lawyers
Jeffrey Kleywegt
