Iowa R. Civ. P. 1.1004

On motion, the aggrieved party may have an adverse verdict, decision, or

report or some portion thereof vacated and a new trial granted if any of the following causes materially

affected movant’s substantial rights:

1.1004(1) Irregularity in the proceedings of the court, jury, master, or prevailing party; or any

order of the court or master or abuse of discretion which prevented the movant from having a fair

trial.

1.1004(2) Misconduct of the jury or prevailing party.

1.1004(3) Accident or surprise which ordinary prudence could not have guarded against.

1.1004(4) Excessive or inadequate damages appearing to have been influenced by passion or

prejudice.

1.1004(5) Error in fixing the amount of the recovery, whether too large or too small, in an action

upon contract or for injury to or detention of property.

1.1004(6) That the verdict, report or decision is not sustained by sufficient evidence, or is contrary

to law.

1.1004(7) Material evidence, newly discovered, which could not with reasonable diligence have

been discovered and produced at the trial.

1.1004(8) Errors of law occurring in the proceedings, or mistakes of fact by the court.

1.1004(9) On any ground stated in rule 1.1003, the motion specifying the defect or cause giving

rise thereto.