In law, “dispositive” means capable of settling a matter conclusively. A dispositive fact resolves a legal issue on its own. A dispositive motion asks a court to end a lawsuit, or part of one, without a trial. A dispositive provision in a will directs who inherits what. Whatever the setting, the word points to finality: something dispositive doesn’t just advance the case, it ends the question.
Dispositive Facts, Evidence, and Issues
Lawyers use the word three different ways when talking about proof and legal questions.
A dispositive fact is one fact that, by itself, resolves a legal issue. If someone sues you for battery and you can prove you never touched them, that fact alone defeats the claim. Intent and damages never come into play.1Legal Information Institute. Dispositive Fact
Dispositive evidence works the same way but refers to a specific piece of proof. Surveillance footage placing the defendant in another city during the alleged incident is dispositive because it ends any factual dispute about involvement.
A dispositive issue is a legal question whose answer controls the outcome. Jurisdiction is a classic example. If a court finds it has no authority over the lawsuit, the merits never get reached.
Dispositive Motions
Most people run into the word through motions. A dispositive motion asks the court to terminate all or part of a case before trial. Three come up most often in federal court.
Motion to Dismiss
A motion to dismiss challenges the legal sufficiency of the other side’s claims, usually early, before evidence has been gathered. Under Federal Rule of Civil Procedure 12(b)(6), a defendant argues that even if every fact in the complaint is true, those facts don’t state a claim the law recognizes.2Legal Information Institute. Federal Rules of Civil Procedure Rule 12 – Defenses and Objections The court isn’t weighing evidence. It’s asking whether the complaint describes something the law provides a remedy for.
Motion for Judgment on the Pleadings
A Rule 12(c) motion comes after both the complaint and the answer have been filed, and either party can file it. The court looks only at the pleadings and decides whether one side is clearly entitled to win on what’s been written.2Legal Information Institute. Federal Rules of Civil Procedure Rule 12 – Defenses and Objections If outside evidence is attached and the court considers it, the motion converts into a summary judgment motion, and both sides get a chance to add more material.
Motion for Summary Judgment
Summary judgment usually comes later, after discovery. Under Rule 56, the moving party argues there’s no genuine dispute about any material fact and that the law gives them the win without a trial.3Legal Information Institute. Federal Rules of Civil Procedure Rule 56 – Summary Judgment Courts view the evidence in the light most favorable to the non-moving party. If it still points only one way, the motion is granted. If reasonable people could reach different conclusions, the case goes to trial.
The federal default filing deadline is 30 days after the close of discovery, but local rules and individual judges often set earlier cutoffs.3Legal Information Institute. Federal Rules of Civil Procedure Rule 56 – Summary Judgment
What Granting a Dispositive Motion Does
A granted dispositive motion ends the resolved claims. If summary judgment is granted on everything, there’s no trial. The court enters final judgment and the case is over at the trial level.
The finality can run deeper. Under Rule 41(b), most involuntary dismissals operate as adjudications on the merits unless the court says otherwise. The exceptions are dismissals for lack of jurisdiction, improper venue, or failure to join a required party.4Legal Information Institute. Federal Rules of Civil Procedure Rule 41 – Dismissal of Actions When a dismissal is an adjudication on the merits, the losing party cannot refile the same claim later.
This is why “with prejudice” matters. A dismissal with prejudice bars refiling. A dismissal without prejudice lets the plaintiff try again, often after fixing whatever caused the first dismissal. If you’re the plaintiff and your case has been dismissed, that distinction is the first thing to check.
Partial Rulings
A dispositive motion doesn’t have to end the whole case. A court can grant partial summary judgment, resolving some claims or defenses and leaving others for trial. The court spells out which issues are settled and which remain. A partial summary judgment is not a final judgment and generally cannot be appealed right away; it fixes certain points for the rest of the case.3Legal Information Institute. Federal Rules of Civil Procedure Rule 56 – Summary Judgment
What Denial Means
If a summary judgment motion is denied, the court has decided there are genuine factual disputes that need to be resolved by a jury or a judge at trial. The case moves forward.3Legal Information Institute. Federal Rules of Civil Procedure Rule 56 – Summary Judgment A denial usually can’t be appealed immediately. Federal courts follow the final judgment rule, so the losing party typically has to wait until after trial to raise the denial on appeal.
Dispositive Motions Before Magistrate Judges
In federal court, a district judge can refer a dispositive motion to a magistrate judge, but the magistrate judge cannot decide it. Federal law treats motions for summary judgment, motions to dismiss for failure to state a claim, and motions for judgment on the pleadings as matters a magistrate judge may hear but not finally resolve.5Office of the Law Revision Counsel. United States Code Title 28 636 – Jurisdiction, Powers, and Temporary Assignment
The magistrate judge instead issues a report and recommendation. Either party has 14 days to file written objections. The district judge reviews any objected-to portions de novo and may accept, reject, or modify the recommendation, or send it back with instructions.6Legal Information Institute. Federal Rules of Civil Procedure Rule 72 – Magistrate Judges Pretrial Order That 14-day deadline matters: failing to object can waive your right to challenge the recommendation on appeal.
Dispositive Provisions in Wills and Trusts
The word also appears in estate planning with a related meaning. The dispositive provisions of a will or trust are the clauses that control who gets property and how much. A bequest leaving a house to a named beneficiary, a clause splitting the estate into shares for children, or a provision creating a trust from what remains are all dispositive provisions. They dispose of the estate.
These are different from the administrative parts of the document, such as naming an executor, granting powers to a trustee, or directing how debts are paid. The dispositive provisions are the ones that answer who gets what. Vague wording in a dispositive provision, something as simple as “to my children” without saying whether that includes stepchildren or adopted children, is one of the most common sources of estate litigation.