Correction: An earlier version of this article misstated the status of pending proceedings between Patton Boggs and Chevron in the Southern District of New York. Chevron has sought permission to file counterclaims against the law firm. The company’s motion is pending.

In a lengthy ruling for Chevron Corp. in a long and hard-fought battle over the blame for pollution in the Amazon, Washington law firm Patton Boggs came in for plenty of attention—37 mentions in the main text of the ruling, to be exact.