[2] From 2001 to 2004, she worked in private practice at Jensen, Graff and Barnes, LLP and from 2004 to 2007 at Allen Law, PC.

[2] Her nomination received support from Senators Mike Lee and Mitt Romney.

President Biden nominated Allen to the seat vacated by Judge David Nuffer, who assumed senior status on April 2, 2022.

[8] On April 9, 2024, the United States Senate invoked cloture on her nomination by a 97–2 vote.

[11] Allen's father, Kay McIff, was a member of the Utah House of Representatives from 2007 to 2017.