Norton Rose Fulbright’s hourly rates are the latest sideshow to litigation over how Ringling Bros. and Barnum & Bailey Circus treats its elephants.

Since 2006, the firm has led circus producer Feld Entertainment Inc.’s successful defense against claims of elephant mistreatment. Norton Rose — previously Fulbright & Jawor­ski — and three other firms that represented Feld want the plaintiffs and their former lawyer to pay more than $25 million in legal fees.