Consumers may not know what polyurethanes are, but they’re probably familiar with what polyurethanes are used to make — items ranging from insulation to skateboard wheels. Cohen Milstein Sellers & Toll was part of a team suing chemical companies over an alleged price-fixing scheme involving the production of polyurethanes.

In February, a federal jury in Kansas found against The Dow Chemical Co., awarding the plaintiffs $400 million. The judgment, which is on appeal, stands at more than $1 billion after trebling.