A defendant who was defaulted — often because of a missed deadline, a service problem, or simple confusion — can ask the court to set the default aside and let the case proceed normally. Before a default judgment is entered, courts typically apply a more forgiving "good cause" standard; after judgment has actually been entered, the standard usually tightens, requiring something closer to excusable neglect, fraud, a void judgment, or another recognized ground.

Courts weigh several recurring factors: whether the defendant's failure to respond was willful or merely careless, whether the defendant has a genuinely arguable (meritorious) defense to present, and whether setting the default aside would meaningfully prejudice the plaintiff beyond simply having to litigate the case. Because the law generally favors resolving disputes on their merits, a prompt motion with a real defense often succeeds even against a completed default judgment.

Juricratic models a successful motion to set aside default as a state transition that reopens claim elements previously treated as unopposed, so a matter that briefly looked like a walkover reverts to a normally contested simulation once the default is lifted — including any re-set procedural deadlines that come with it.

Defense counsel move to set aside a default the moment they learn of it, because delay is one of the strongest factors courts weigh against granting relief. The motion typically has to be paired with a proposed answer or a clear articulation of the defense the defendant intends to raise, since courts want assurance that reopening the case will actually produce a real contest, not just delay.