California Legal Brief

AI-Generated Practitioner Briefs of California Appellate Opinions

substantial evidence

11 opinions tagged “substantial evidence”

P. v. Newt 3/30/26 CA1/1

The Rule of People v. Newt is that "receiving" a large-capacity magazine under Penal Code section 32310(a) requires evidence beyond mere possession, specifically evidence as to the provenance of the magazine (such as that defendant bought or received it after January 1, 2000, from someone who manufactured, imported, kept for sale, offered for sale, gave, or lent it), under circumstances where the prosecution seeks a felony conviction for "receiving" rather than a misdemeanor conviction for "possessing" under subdivision (c).

P. v. Nelson 3/5/26 CA2/6

The Rule of People v. Nelson is that a trial court may properly deny mental health diversion when it finds as trier of fact that the defendant's mental health disorders were not a significant factor in the commission of the charged offenses, under circumstances where the court expressly rejects expert testimony linking mental illness to criminal conduct and finds the defendant poses a public safety risk based on extensive criminal history.

P. v. Super. Ct. 3/5/26 CA2/1

The Rule of People v. Superior Court (Taylor) is that mental health diversion may not be granted when no evidence supports that the defendant will comply with treatment in the community, even where experts opine the defendant would not pose an unreasonable risk to public safety if treated, under circumstances where the defendant has a documented history of abandoning treatment facilities and refusing prescribed medication.

P. v. Uceda 3/5/26 CA1/1

The Rule of People v. Uceda is that a trial court must instruct sua sponte on grossly negligent discharge of a firearm (Penal Code § 246.3, subd.

Conservatorship of A.B. 1/12/26 CA1/2

The Rule of Conservatorship of A.B. is that a person may be found presently gravely disabled if clear and convincing evidence shows they lack insight into their mental illness and will not take medication necessary to provide for basic needs without a court order, under circumstances where the evidence demonstrates a longstanding pattern of decompensating when not under mandatory medication orders despite repeated cycles of hospitalization.

Siam v. Superior Court 1/26/26 CA4/3

The Rule of Joel Praneet Siam is that when determining whether a defendant's symptoms would respond to treatment under Penal Code section 1001.36(c)(1), a trial court may not override a qualified mental health expert's opinion with its own lay opinion about treatment responsiveness, under circumstances where a licensed psychologist provides an uncontroverted expert opinion that the defendant's mental disorder symptoms would respond to treatment.

Anaheim Police Dept. v. Crockett 1/16/26 CA4/3

The Rule of Anaheim Police Department v. Crockett is that a gun violence restraining order may be issued against a firearm owner who fails to adequately secure weapons from a prohibited person who poses a credible threat of violence, under circumstances where the firearm owner enables access to weapons by someone with a documented mental health history and lifetime firearms prohibition who has made specific threats of mass violence.

P. v. Gutierrez 2/17/26 CA4/1

The Rule of People v. Gutierrez is that a Governor's state of emergency proclamation is subject to independent legal interpretation by courts, not jury determination, and when a proclamation limits emergency zones to specific "high hazard areas" to be identified by state agencies rather than declaring a statewide emergency, the prosecution must prove the crime occurred within those specifically identified areas, under circumstances where the proclamation's plain language directs agencies to identify particular zones rather than declaring the emergency exists throughout the entire state.

Trustees of the Cal. State Univ. v. Public Emp. Relations Bd. 1/26/26 CA2/3

The Rule of Trustees of the California State University is that public employers have a duty to bargain over reasonably foreseeable effects of student vaccination policy changes on immunocompromised faculty health and safety, but implementation must actually begin before an unfair practice violation occurs, under the Higher Education Employer-Employee Relations Act (HEERA).

In re L.G. 3/6/26 CA1/4

The Rule of In re L.G. is that substantial evidence must support a juvenile court's finding that there are no reasonable means to protect a child without removal, and the Bureau must make reasonable efforts to prevent removal before a child can be taken from parental custody, under circumstances where a parent has mental health issues but the Bureau has not explored alternative interventions like family maintenance plans or evaluated available support persons.

P. v. Riggs 3/16/26 CA4/1

The Rule of People v. Riggs is that an attorney's temporary administrative suspension from the State Bar for trust account reporting violations does not per se constitute ineffective assistance of counsel, under circumstances where the attorney was suspended for administrative noncompliance rather than resignation with disciplinary charges pending.