
The national class actions practice at Piper Alderman is known for handling competition, consumer, financial services, automotive and securities claims. The team is highlighted for its ‘deep experience’ and ’strategic thinking’, under the leadership of Martin del Gallego in Sydney. Other key figures include 'sophisticated litigation strategist' Greg Whyte, particularly for competition cases; 'diligent, focussed and highly motivated partner' Kate Sambrook for financial services and investor claims; and the 'fearless, commercial and pragmatic' Lillian Rizio for multi-party disputes and insurance matters.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘The Piper Alderman litigation and class actions team consistently demonstrates a high level of effectiveness and efficiency. They are highly responsive to client feedback and show a genuine commitment to incorporating suggestions into their approach. Their extensive experience in litigation and complex class actions is evident, and they communicate with clarity, confidence, and professionalism throughout every stage of the process.’
- ‘Kate Sambrook is a diligent, focussed and highly motivated partner whose attention to detail is second to none. Kate delivers high quality work and is approachable.'
Key clients
- Woodsford Group Limited
- Litigation Capital Management
Work highlights
Acted in a billion-dollar claim against Google on behalf of publishers who had websites or apps and sold advertising space using Google’s platforms targeted at Australian consumers.
Lawyers
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Practice head
Martin del Gallego
Other key lawyers
Greg Whyte; Kate Sambrook; Lillian Rizio; Anne Freeman; Kelly Fraser
