A&O Shearman
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A&O Shearman‘s arbitration practice defends transport, technology, and financial services clients facing domestic and international class actions. The team is jointly led by litigation specialists Richard de Haan and Tim Sweerts. De Haan is well-regarded for his work on corporate and commercial litigation, using his background to advise clients on mass tort and collective disputes. Sweerts is key to class actions and mass litigation, leading on WAMCA cases and handling follow-on antitrust litigation, shareholder litigation and product liability issues. Hilde van der Baan is entrusted on disputes mandates in the projects, energy and construction sectors. Van der Baan also advises clients on energy transition-related mass claims. Arnold Croiset van Uchelen left the firm in March 2025.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘The breadth of quality within the team from partners to senior associates stands out. One of a few firms in the Netherlands with extensive experience in class actions on the defendant side, which it is able to translate into sound strategical advice.’
- ‘Tim Sweerts has all the qualities to become a star in the field. He translates extensive knowledge of and experience with class actions into valuable advice on strategy. He is a calm and collected lawyer both in and out of court.’
Key clients
- ABN Amro
- Samsung
Work highlights
Represented Vattenfall in a Dutch class action brought under the new Dutch class action law on repayment of certain fees paid by customers with a large grid connection.