Supreme Court and Appellate Practice: Appeals, Certiorari, and Higher-Court Review

Appellate practice is the specialized work of challenging or defending a court decision before a higher court.

It covers appeals from trial courts to intermediate appellate courts, further review by a state's highest court, and, at the top of the federal system, the U.S. Supreme Court. The lawyer's job shifts from presenting evidence to persuading judges that the law was applied correctly or incorrectly. This connects directly to appellate litigation aimed at overturning a judgment. It is a distinct discipline from trial work, with its own skills and rules.

An appeal reviews the existing trial record for legal error rather than hearing the case over again.

There are generally no new witnesses, no new evidence, and no jury; instead, appellate judges read briefs and the record and may hear oral argument. Crucially, how much weight they give the lower court depends on the standard of review, which varies by the type of issue. A pure legal question gets fresh review, while factual findings and discretionary calls receive strong deference. The table shows the main standards.

An appeal begins with a notice of appeal, followed by the record, written briefs, sometimes oral argument, and a decision.

In federal civil cases the notice of appeal is generally due within 30 days of the judgment, but often 60 days when the United States, a federal agency, or certain federal officers are parties, and criminal and state deadlines differ. Most appeals wait for a final judgment, though certain interlocutory orders may be reviewed earlier only if a statute, rule, certification, or extraordinary-writ procedure allows it. The parties then file an opening brief, a response, and a reply, which are usually the heart of the case, followed by oral argument in some appeals. Procedural missteps can lead to a dismissal of the appeal before any ruling on the merits.

To raise an issue on appeal, a party generally must have preserved it by raising it properly in the trial court.

An argument not made below is usually waived, with only a narrow plain-error exception in limited situations. This is why appellate strategy really begins during trial, not after the loss. Many appeal deadlines are jurisdictional or otherwise strictly enforced, so a party should never assume a court can forgive a late notice of appeal. If you expect to appeal, protect the record and calendar the deadline the moment judgment is entered.

The U.S. Supreme Court chooses almost all of its cases through a discretionary process called certiorari.

A losing party files a petition for a writ of certiorari, generally due within 90 days after the lower appellate judgment or the denial of timely rehearing, not from the later mandate date, and it takes the agreement of four justices, the rule of four, for the Court to hear the case. The Court receives thousands of petitions each term and grants only a small fraction, historically well under 100 cases a year, so a petition must show more than ordinary legal error. Cases that succeed usually involve a split among the lower courts or an important, unsettled question of federal law. The Court rarely grants review merely to correct a fact-bound error or a routine misapplication of settled law.

Most appeals never reach the U.S. Supreme Court, so state high courts and federal circuit courts decide the vast majority of cases.

State systems typically run from a trial court through an intermediate appellate court to a state supreme court, and many high courts, like the U.S. Supreme Court, choose their cases at their discretion. Agency decisions add another route, and agency review may require exhausting administrative remedies and filing a petition for review in the correct court within the agency's specific deadline. Outside parties with a stake in the outcome may participate through amicus curiae briefs that address the broader legal issues, which appear across areas from criminal appeals to complex federal court litigation. Knowing which court will decide, and under what rules, drives the strategy.

Appellate lawyers focus on framing legal issues, writing persuasive briefs, and arguing the law rather than proving facts.

Their work centers on the record, precedent, and the applicable standard of review, choosing the few strongest issues instead of every possible argument. Oral argument before appellate judges is a distinct craft, driven by rapid questioning about legal principles. In criminal matters, this overlaps with post-conviction relief and related challenges. The discipline of issue selection often separates a winning appeal from a scattered one.

The best time to involve appellate counsel is often before the trial ends, not just after an adverse judgment.

Early involvement helps preserve issues, shape the record, and make the objections that appellate review later depends on. After a judgment, appellate counsel can assess whether there are viable grounds, meet the filing deadline, and build the strongest brief. Because appeals rarely succeed and deadlines are strict, a candid, early evaluation is valuable. If you have lost an important case or face an appeal by the other side, consult appellate counsel promptly to protect your position.

A trial decides the facts and applies the law with evidence, witnesses, and often a jury. An appeal is a review of the trial for legal error, based on the existing record, with no new evidence or witnesses. Appellate judges read briefs and may hear argument, then affirm, reverse, or return the case.

Generally no. An appeal is decided on the record already made in the trial court, so new evidence, witnesses, or arguments are usually not allowed. This is why building a complete record and raising issues during trial is so important. If evidence was left out, the time to address it was before the judgment.

Usually not. Most appeals follow a final judgment, but some interlocutory orders can be reviewed earlier if a statute, rule, certification, or extraordinary writ allows it. Because both premature and late filings can cause serious problems, the appealability of a particular order should be checked immediately rather than assumed.

The deadline is short and strictly enforced. In federal civil cases the notice of appeal is often due within 30 days, or 60 days when the government is a party, with different timelines in criminal cases and state courts. Because many of these deadlines are jurisdictional, a late filing usually cannot be excused, so it must be met.

A standard of review is how much deference the appellate court gives the lower court on a particular issue. Legal questions are usually reviewed fresh, or de novo, while factual findings and discretionary decisions receive strong deference and are harder to overturn. The applicable standard often determines an appeal's chance of success.

In almost all cases, a party files a petition for a writ of certiorari, generally within 90 days of the lower appellate decision, asking the U.S. Supreme Court to hear it. Review is discretionary, and it takes four justices to agree. The Court tends to take cases involving splits among lower courts or important unsettled questions of federal law.

Very low. The Court receives thousands of petitions each term and grants only a small fraction, historically well under 100 cases a year, so most are denied. A petition has a better chance if it presents a genuine split among courts or a significant federal question, but even strong cases are frequently declined. Most litigation ends at a lower appellate court.

Preserving an issue means raising it properly in the trial court, usually through a timely objection or argument, so it can be reviewed later. An issue not raised below is generally waived, with only a narrow exception for plain error. This is why appellate strategy should begin during trial, not after the case is lost.