Led by Henninger Bullock in New York and Michael Olsen in Chicago, the practice at Mayer Brown represents automotive companies in litigation involving alleged paint defects and manufacturing issues affecting vehicle exteriors. In Los Angeles, John Nadolenco defends claims asserting defects in vehicle batteries, fuel pumps, and power control systems. Nadolenco also handles consumer fraud, warranty, and protection actions arising from alleged software and display errors that trigger inaccurate vehicle warnings. In Washington DC, Carmine Zarlenga represents food manufacturers in class actions challenging product labeling and regulatory compliance.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'The Mayer Brown litigation team leading class actions and mass torts is first rate - they are highly competent, knowledgeable, responsive and easy to work with. The loss of a environmental practice leader in 2025 is somewhat noticeable, although the firm seems to be doing its best to fill the gap.'
Key clients
- GlaxoSmithKline
- Automotive Alliance for Innovation
- The Big Ten Conference
Practice head
Henninger Bullock; Michael Olsen
Other key lawyers
Carmine Zarlenga; John Nadolenco