Minn. R. Civ. App. P. 142.03
If the respondent fails or neglects to serve and file its brief, the case shall be determined on the merits. If a defaulting respondent has filed a notice of related appeal pursuant to Rule 103.02, subdivision 2, the party opposing the related appeal may serve and file a motion for affirmance of the judgment or order specified in the notice of related appeal or for a dismissal of the respondent's related appeal proceedings, subject to a motion to reinstate the related appeal proceedings in accordance with the criteria specified in Rule 142.02.
If the appellant fails or neglects to serve and file its brief in response to a respondent/cross-appellant's brief in support of a cross-appeal, the case shall be determined on the merits as to those issues raised by the cross-appeal.
Minn. R. Civ. App. P. 142.03