Colo. R. App. P. 57 (2026)

Briefs of the petitioner and the respondent on the merits must comply with the content and length requirements of C.A.R. 28 and the form and service requirements of C.A.R. 25 and 32. Briefs must be filed within the time prescribed in C.A.R. 31; except that in workers’ compensation cases the petitioner must serve and file the petitioner’s opening brief within 14 days and the respondent must file the respondent’s brief within 7 days after service of the petitioner’s brief, and no other brief will be permitted. Incorporation by reference of briefs previously filed in the lower court is prohibited.

Source: Entire rule amended June 4, 1987, effective January 1, 1988; entire rule amended and effective July 8, 1993; entire rule amended and effective October 17, 2014; entire rule amended and effective June 7, 2018, effective July 1, 2018.