SAN FRANCISCO—Before joining the U.S. Court of Appeals for the Federal Circuit, Randall Rader and Sharon Prost worked as counsel to the Senate Judiciary Committee.

On the bench Rader’s straight-talking, maverick style calls to mind Sen. John McCain. Rader used the chief judgeship as a bully pulpit to advocate for IP law around the globe. Prost, who succeeded Rader as chief judge Monday, might be compared more to former Sen. Olympia Snowe. While gregarious and outgoing, Prost is expected to do more of her work behind the scenes, building consensus on the court and seeking common ground.