Criminal Appeal Review: How Appeals Work after Conviction

A trial decides guilt by hearing evidence. An appeal does neither of these things. The appellate court reads the trial record and the parties' briefs, then decides whether a legal error occurred. No jury sits, and neither side introduces new proof.

In New York, most direct appeals go first to the Appellate Division. A panel of judges reviews the trial for errors that a party raised and that could have changed the verdict. The panel does not replace the jury's factual findings with its own preference. A further appeal to the Court of Appeals generally requires permission, known as leave to appeal.

A direct appeal challenges the judgment on the existing record within a fixed deadline. A collateral attack, such as a motion to vacate the judgment under CPL 440.10, raises claims that fall outside the trial record, like newly discovered evidence. The federal system follows a parallel structure, and federal appeals run on separate tracks from federal collateral relief.

New York asks whether the defense provided meaningful representation under the totality of the circumstances. Federal courts apply the two-part Strickland test, which requires deficient performance and resulting prejudice. A reasonable strategy that did not succeed rarely qualifies under either approach. Related trial-stage work falls under criminal defense.

These include improper evidentiary rulings, flawed jury instructions, and constitutional violations such as an unlawful search. The error must be serious enough to undermine confidence in the verdict.

A legal sufficiency claim argues that no rational jury could have found guilt beyond a reasonable doubt. New York adds a distinctive layer: the Appellate Division may also review the weight of the evidence, which federal appellate courts do not do.

Even when a conviction stands, a defendant can challenge a sentence as unlawful or excessive. New York appellate courts may reduce a sentence they find unduly harsh, a focus of sentencing advocacy.

In New York, the process begins with a notice of appeal, which a defendant must file within 30 days of sentencing under CPL 460.10. A late filing usually forfeits the right to appeal.

The appellant files an opening brief, the prosecution responds, and a reply may follow. Each argument must cite the trial record and controlling authority.

Some appeals include oral argument, where judges question both sides. Effective preparation means anticipating the panel's concerns and pointing to precise pages of the record.

The court issues a written decision, often months later. It may uphold the judgment, reverse it, or return the case for further proceedings.

In New York, a party generally must raise an objection at trial to preserve an issue for appeal under CPL 470.05. Unpreserved claims face far narrower review.

The transcript is the appellate court's record of the trial. If a ruling or statement does not appear there, the court cannot consider it.

Motions, exhibits, and written rulings must form part of the certified record. Gaps can leave a strong argument unsupported.

Appellate work is a distinct discipline from trial advocacy. It rewards close reading of the record, precise legal writing, and command of the standards of review.

On pure questions of law, the court reviews de novo and owes the trial judge no deference. On discretionary calls, such as evidentiary rulings, it reverses only when the decision was unreasonable.

When an error was not preserved, New York's Appellate Division may still reach it in the interest of justice, though it does so sparingly. Federal courts instead apply the plain error standard, which requires a clear error affecting substantial rights.

The court first identifies the correct standard, then asks whether any error was harmless. An error that did not affect the outcome usually will not justify reversal.

Affirmance leaves the outcome intact. Reversal or remand can lead to a new trial, a corrected sentence, or dismissal, depending on the error the court identified.

A denial is not always the end. A defendant may seek leave to appeal to the Court of Appeals or turn to post-conviction relief when grounds exist outside the trial record.

A CPL 440.10 motion addresses issues a direct appeal cannot reach, such as newly discovered evidence or a constitutional defect found later. These proceedings follow their own rules and deadlines.