Petition for review in the California Supreme Court
A petition for review must be served and filed within 10 days after the Court of Appeal decision is final in that court. Most decisions become final 30 days after filing, so enter the date the opinion was filed.
- CRC 8.500(e)
- CRC 8.264(b)
- CCP 12a
Find your petition deadline
Review of a published or unpublished Court of Appeal decision.
The filing date of the opinion, not the date you received it.
Holidays and court closures
California judicial holidays under CCP 135 are always skipped, including Lincoln's Birthday, Cesar Chavez Day and Native American Day.
For weather or emergency closures. Check the court's notice to confirm it extends deadlines.
How the deadline is counted
- Find when the decision is final. Under rule 8.264(b)(1), a Court of Appeal decision is generally final in that court 30 days after filing.
- Count 10 more days. Rule 8.500(e)(1) gives 10 days after finality to serve and file the petition.
- Move past closed days. If the last day is a weekend or court holiday, it moves to the next court day under CCP 12a.
Worked examples
| Example | Decision filed | Deadline |
|---|---|---|
| Decision filed on a Thursday | Thu, Oct 1, 2026 | Tue, Nov 10, 2026 |
| Decision filed before Thanksgiving | Thu, Oct 15, 2026 | Tue, Nov 24, 2026 |
When the 30-day finality date does not apply
Some decisions are final on filing, such as denial of a petition for a writ without an order to show cause in some cases. A modification that changes the judgment or a grant of rehearing restarts or changes finality. Check rule 8.264 for your decision before relying on the 30-day count.
Rehearing first? A petition for rehearing in the Court of Appeal must be filed within 15 days after the decision is filed (rule 8.268(b)).
Common questions
How long do I have to file a petition for review in California?
10 days after the Court of Appeal decision is final in that court. For most decisions that is 40 days after the opinion is filed.
Can I get an extension?
The Chief Justice may relieve a party from a failure to file a timely petition if the time for the court to order review on its own motion has not expired (rule 8.500(e)(2)).
Do mail extensions apply?
No. Appellate filing deadlines run from the decision, and CCP 1013 does not extend them.
Sources
- California Rules of Court, rule 8.500(e)
- California Rules of Court, rule 8.264(b)
- California Rules of Court, rule 1.10
- Code of Civil Procedure, sections 12 and 12a
Rules last checked October 2026. This calculator does not give legal advice. Confirm the date against the rule and any order in your case.