Petition for review in Supreme Court: 10 days after Court of Appeal decision is final

10 days after date the court of appeal decision became final in that court (unrolled date from coa_decision_final), under Cal. Rules of Court, rule 8.500(e)(1)-(2).

Rule text

(1) A petition for review must be served and filed within 10 days after the Court of Appeal decision is final in that court. For purposes of this rule, the date of finality is not extended if it falls on a day on which the office of the clerk/executive officer is closed. (2) The time to file a petition for review may not be extended, but the Chief Justice may relieve a party from a failure to file a timely petition for review if the time for the court to order review on its own motion has not expired.

Cal. Rules of Court, rule 8.500(e)(1)-(2), official source

Calculate this deadline

Deadline
Monday, November 16, 2026
  1. Trigger (Date the Court of Appeal decision became final in that court (unrolled date from coa_decision_final)): Friday, November 6, 2026.
  2. Exclude the trigger day and count 10 calendar days: Monday, November 16, 2026.
Rules applied
Cal. Rules of Court, rule 8.500(e)(1)-(2)
(1) A petition for review must be served and filed within 10 days after the Court of Appeal decision is final in that court. For purposes of this rule, the date of finality is not extended if it falls on a day on which the office of the clerk/executive officer is closed. (2) The time to file a petition for review may not be extended, but the Chief Justice may relieve a party from a failure to file a timely petition for review if the time for the court to order review on its own motion has not expired.
Official source
Cal. Rules of Court, rules 1.10, 8.60(a); Cal. Code Civ. Proc. 12, 12a, 12b
CRC 1.10(a): "The time in which any act provided by these rules is to be performed is computed by excluding the first day and including the last, unless the last day is a Saturday, Sunday, or other legal holiday, and then it is also excluded." CRC 1.10(b): "Unless otherwise provided by law, if the last day for the performance of any act that is required by these rules to be performed within a specific period of time falls on a Saturday, Sunday, or other legal holiday, the period is extended to and includes the next day that is not a holiday." CRC 8.60(a): "The Code of Civil Procedure governs computing and extending the time to do any act required or permitted under these rules." CCP 12: "The time in which any act provided by law is to be done is computed by excluding the first day, and including the last, unless the last day is a holiday, and then it is also excluded." CCP 12a(a): "If the last day for the performance of any act provided or required by law to be performed within a specified period of time is a holiday, then that period is hereby extended to and including the next day that is not a holiday. For purposes of this section, “holiday” means all day on Saturdays, all holidays specified in Section 135 and, to the extent provided in Section 12b, all days that by terms of Section 12b are required to be considered as holidays." CCP 12b: "If any city, county, state, or public office, other than a branch office, is closed for the whole of any day, insofar as the business of that office is concerned, that day shall be considered as a holiday for the purposes of computing time under Sections 12 and 12a."
Official source
  • Count 10 days from the UNROLLED finality date; only the 10th day itself rolls forward if it is a weekend/holiday (CRC 1.10(b)). No extension. A petition presented before finality is accepted and filed the day after finality (8.500(e)(3)). Mailbox rule of 8.25(b)(3) applies. Rule 8.500 last amended eff. Jan. 1, 2020.
  • If the clerk's office is closed or inaccessible on the last day (weather, emergency or local closure orders), the deadline may be extended. Check local orders.

This calculator applies the cited rules to the dates you enter. It is not legal advice. Court orders, local rules, and case-specific facts can change a deadline; verify before relying on it. Rule set pending attorney review.

Worked example

Date the Court of Appeal decision became final in that court (unrolled date from coa_decision_final) on Monday, March 15, 2027, personal service: due Thursday, March 25, 2027.

  1. Trigger (Date the Court of Appeal decision became final in that court (unrolled date from coa_decision_final)): Monday, March 15, 2027.
  2. Exclude the trigger day and count 10 calendar days: Thursday, March 25, 2027.

Notes

Count 10 days from the UNROLLED finality date; only the 10th day itself rolls forward if it is a weekend/holiday (CRC 1.10(b)). No extension. A petition presented before finality is accepted and filed the day after finality (8.500(e)(3)). Mailbox rule of 8.25(b)(3) applies. Rule 8.500 last amended eff. Jan. 1, 2020.

Related deadlines

All California appeals and writs deadlines

Rules current as of 2026-10-23. Confirm against the official source and any local rule or court order before relying on a date. Rules changelog.