The President nominated Toby Crouse to become a judge for the United States District Court for the District of Kansas on May 21, 2020. The Senate confirmed his nomination on November 17, 2020. President Trump signed his commission on December 2, 2020. He was sworn in December 8, 2020.

From 2018 to 2020, Judge Crouse served as the Solicitor General for the State of Kansas. In that role, he presented two arguments to the United States Supreme Court, Kahler v. Kansas, 140 S. Ct. 1021 (2020), and Kansas v. Glover, 140 S. Ct. 1183 (2020). In addition, he established a solo practice focusing on appellate and constitutional litigation.

Before representing the State of Kansas, he maintained a private practice for fifteen years. Both during law school and after graduation, he worked with and learned from the lawyers at Foulston Siefkin LLP, where he was a partner for seven years, Shook, Hardy & Bacon, LLP, and Bremyer & Wise, LLC (now Wise & Reber, L.C.).

Following law school, Judge Crouse served as a law clerk to two federal judges. From 2002 to 2003, he clerked for the Honorable Mary Beck Briscoe of the United States Court of Appeals for the Tenth Circuit. He clerked for the Honorable Monti L. Belot of the United States District Court for the District of Kansas from 2000 to 2002.

Judge Crouse is a lifelong Kansan. He obtained his law degree from the University of Kansas School of Law and his undergraduate degree from Kansas State University.