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California Labor Code Section 5951 — Final Review by the California Supreme Court
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By Eman Yazdchi, Esq. · Certified Specialist in Workers' Compensation Law, State Bar of California Board of Legal Specialization · Cal Bar #285231
The writ of review shall be made returnable at a time and place then or thereafter specified by court order and shall direct the appeals board to certify its record in the case to the court within the time therein specified. No new or additional evidence shall be introduced in such court, but the cause shall be heard on the record of the appeals board, as certified to by it.
What does California Labor Code section 5951 establish?
Section 5951 places the California Supreme Court at the apex of the workers' compensation appellate structure, the court of last resort for any unresolved legal question.
Section 5951 is the rule that establishes the California Supreme Court's role as the final appellate authority over workers' compensation decisions, the endpoint of a case that has survived a WCAB Petition for Reconsideration and a Court of Appeal writ. Supreme Court review is rare. Certified Specialist Eman Yazdchi (California Board of Legal Specialization, State Bar of California) has argued workers' compensation cases through the full appellate ladder.
California Labor Code section 5951 and the Rules of Court establish the framework for high-court review of WCAB rulings. Under section 5951, the seven-justice court does not hear WCAB cases as of right, the Court of Appeal's decision on a California Labor Code §5950, the writ of review to the Court of Appeal that follows WCAB reconsideration, writ of review is final unless the Supreme Court grants a petition for review. The §5951 rule places WCAB cases at the top of the appellate ladder, where the Court reviews only the small fraction that present important questions of law, conflicts among the Courts of Appeal, or unsettled comp doctrine.
What is the section 5951 California petition-for-review process?
Reaching the Supreme Court requires exhausting the WCAB Petition for Reconsideration and then seeking a Court of Appeal writ of review before the Supreme Court will act.
Under California Labor Code section 5951 and the Rules of Court, an aggrieved party files a Petition for Review with the high court within 10 days of the Court of Appeal's decision (subject to extension rules). The §5951 petition must identify the important question of law presented, explain why review is warranted, and address any conflicts among the Courts of Appeal. The Supreme Court grants or denies the petition in its discretion; review is granted in a small minority of WCAB cases. The §5951 process is the rare doorway to high-court review of comp matters.
When does the California Supreme Court actually take WCAB cases?
The Supreme Court accepts workers' compensation cases only when a legal question is genuinely unsettled, factual disputes resolved by the WCAB are not reviewable there.
Under California Labor Code section 5951, the Court takes WCAB cases when one of several criteria is met: the case presents an important question of law not yet settled; the Court of Appeal decision conflicts with another California Court of Appeal decision; the case implicates significant statutory interpretation under the California comp statute; or the case has broad impact on California workers, California employers, or the California comp system. The §5951 discretionary review applies to cases such as California Labor Code §3208.3 stress-claim doctrine, California Labor Code §4660 rating disputes, and California Labor Code §4663 apportionment-doctrine cases.
How does section 5951 California interact with §5950 writ of review?
Published Supreme Court workers' compensation decisions bind the WCAB and every Court of Appeal as controlling precedent on every future case involving the same legal issue.
Under California Labor Code §5950 (writ of review to the Court of Appeal) and California Labor Code section 5951 (high-court review), the comp appellate ladder runs: (1) WCAB judge issues a final decision; (2) California Labor Code §5900 California reconsideration petition to the WCAB en banc within the California Labor Code §5903 California 25-mailed / 20-electronic window; (3) California Labor Code §5950 California writ of review to the Court of Appeal within 45 days of the WCAB final decision; (4) Court of Appeal grants or denies the writ and decides on the merits if granted; (5) the high court reviews under section 5951 on discretionary petition for review. The §5951 step is the apex of California comp appellate review.
What does the section 5951 California "final" review actually mean?
Most workers' compensation litigation ends at the WCAB level; the Supreme Court's role is to resolve the small number of cases where the law itself is uncertain.
Under California Labor Code section 5951, "final" review means the state's top court is the last California court to consider the matter, the §5951 ruling cannot be further reviewed except by federal courts on the narrow grounds of federal constitutional review. The §5951 outcome can affirm the Court of Appeal, reverse and remand, depublish the Court of Appeal opinion, or grant review and produce a Supreme Court opinion that becomes binding California precedent. The §5951 decisions on comp matters are precedential across the entire California comp system going forward.
The state's top court accepts approximately 4-5% of petitions for review across all subject-matter areas per the Judicial Council 2024 court statistics report, workers' comp petitions trail that average, with the Court typically granting full review in roughly 2-3% of properly filed workers' comp matters. The Court of Appeal's underlying California Labor Code §5950 writ work resolved more than 380 workers' comp petitions in 2024, of which fewer than 20 progressed to high-court review. More context: the California workers' comp appeal pillar and the Court-of-Appeal explainer at the §5950 writ card.
Related on yazdchilaw.com: California workers' compensation lawyer pillar · California Labor Code §5400.30 explained · California Labor Code §3700.6 explained · what to do if you can't go back to work after a workers' comp injury.
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Tap to call →Frequently Asked Questions
What does California Labor Code section 5951 actually establish for Supreme Court review?
California Labor Code section 5951 and the California Rules of Court establish the framework for California Supreme Court review of WCAB rulings. Under section 5951, the California Supreme Court does not hear WCAB cases as of right, the Court of Appeal's decision on a California Labor Code §5950 writ of review is final unless the California Supreme Court grants a petition for review. The section 5951 California rule places WCAB cases at the top of the appellate ladder, where the California Supreme Court reviews only the small fraction that present important questions of law or unsettled comp doctrine.
What is the section 5951 California petition-for-review process?
Under California Labor Code section 5951 and the California Rules of Court, an aggrieved party files a Petition for Review with the California Supreme Court within 10 days of the Court of Appeal's decision (subject to extension rules). The section 5951 California petition must identify the important question of law presented, explain why review is warranted, and address any conflicts among California Courts of Appeal. The California Supreme Court grants or denies the petition in its discretion; review is granted in a small minority of WCAB cases. The section 5951 California process is the rare doorway to California Supreme Court review of comp matters.
When does the California Supreme Court actually take WCAB cases under section 5951?
Under California Labor Code section 5951, the California Supreme Court takes WCAB cases when one of several criteria is met: the case presents an important question of law not yet settled; the Court of Appeal decision conflicts with another California Court of Appeal decision; the case implicates significant statutory interpretation under the California comp statute; or the case has broad impact on California workers, California employers, or the California comp system. The section 5951 California discretionary review applies to cases such as California Labor Code §3208.3 stress-claim doctrine, California Labor Code §4660 rating disputes, and California Labor Code §4663 apportionment-doctrine cases.
How does section 5951 California interact with §5950 writ of review and §5900 reconsideration?
Under California Labor Code §5950 and section 5951, the California appellate ladder runs: (1) WCAB judge issues a final decision; (2) California Labor Code §5900 reconsideration petition to the WCAB en banc within the California Labor Code §5903 California 25-mailed / 20-electronic window; (3) California Labor Code §5950 writ of review to the Court of Appeal within 45 days of the WCAB final decision; (4) Court of Appeal grants or denies the writ and decides on the merits if granted; (5) California Supreme Court reviews under section 5951 on discretionary petition for review. The section 5951 step is the apex of California comp appellate review.
What does the section 5951 California "final" review actually mean?
Under California Labor Code section 5951, "final" review means the California Supreme Court is the last California court to consider the matter, the section 5951 California ruling cannot be further reviewed except by federal courts on the narrow grounds of federal constitutional review. The section 5951 California outcome can affirm the Court of Appeal, reverse and remand, depublish the Court of Appeal opinion, or grant review and produce a California Supreme Court opinion that becomes binding California precedent. The section 5951 California decisions on comp matters are precedential across the entire California comp system going forward.
Last reviewed by Eman Yazdchi, Esq., June 2026.
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