factor test (California) · Go Syfert
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factor test in California

245 California opinions name it 2 courts 1935–2026 84 in the last five years

The cases below were cited by California courts in a sentence that names this issue. Sides come from how each citing opinion treated the case (Syfertize flag on that citation), so a case can appear on both: that is where the law is contested. A red or yellow chip is the case's own overall treatment.

Followed or applied (53)

CaseFollowedCited
Rutherford v. Owens-Illinois, Inc.green
cal · 1997 · cited in 55 California opinions naming this issue, 1999–2026
2 sentences

2026“The substantial factor standard”—which of course states the legal rule behind question 5—“is a relatively broad one, requiring only that the contribution of the individual cause be more than negligible or theoretical.” (Rutherford v. Owens-Illinois, Inc. (1997) 16 Cal.4th 953, 978 .) This standard “subsumes” and “generally produces the same results as does the ‘but for’ rule of causation which states that a defendant’s conduct is a cause of the injury if 11 the injury would not have occurred ‘but for’ that conduct.” (Id. at p. 969.) And “ ‘ “[l]egal causation is generally a question of fact t

2026It does not have 14 to be the only cause of the harm.’ ” (Sobalvarro v. Vibra Health Care (2026) 119 Cal.App.5th 748 , 762 (Sobalvarro), quoting CACI No. 430.) “[O]ur Supreme Court has explained that ‘ “[t]he substantial factor standard is a relatively broad one, requiring only that the contribution of the individual cause be more than negligible or theoretical.” ’ ” (Sobalvarro, at p. 763, quoting Bockrath v. Aldrich Chemical Co., Inc. (1999) 21 Cal.4th 71 , 79 and Rutherford v. Owens-Illinois, Inc. (1997) 16 Cal.4th 953, 978 .) “The substantial factor standard ‘subsumes’ and ‘generally produ

2855
Mitchell v. Gonzalesgreen
cal · 1991 · cited in 26 California opinions naming this issue, 1995–2025
2 sentences

2025They are “(a) a legal duty to use due care; (b) a breach of such legal duty; [and] (c) the breach as the proximate or legal cause of the resulting injury.” ’ ” (Ladd v. County of San Mateo (1996) 12 Cal.4th 913, 917 .) “The proper test for proving causation is the ‘substantial factor’ test. [Citation.] The ‘causation element of negligence is satisfied when the plaintiff establishes (1) that the defendant’s breach of duty . . . was a substantial factor in bringing about the plaintiff’s harm and (2) that there is no rule of law relieving the defendant of liability.’ ” (Mayes v. Bryan (2006) 139

2022It does not have to be the only cause of the harm.” “[T]he ‘substantial factor’ test subsumes the ‘but for’ test” for causation in fact. ( Mitchell, supra, at p. 1052 .) The substantial factor test is a relatively broad one.

1326
Bockrath v. Aldrich Chemical Co.green
cal · 1999 · cited in 27 California opinions naming this issue, 2011–2026
2 sentences

2026It does not have 14 to be the only cause of the harm.’ ” (Sobalvarro v. Vibra Health Care (2026) 119 Cal.App.5th 748 , 762 (Sobalvarro), quoting CACI No. 430.) “[O]ur Supreme Court has explained that ‘ “[t]he substantial factor standard is a relatively broad one, requiring only that the contribution of the individual cause be more than negligible or theoretical.” ’ ” (Sobalvarro, at p. 763, quoting Bockrath v. Aldrich Chemical Co., Inc. (1999) 21 Cal.4th 71 , 79 and Rutherford v. Owens-Illinois, Inc. (1997) 16 Cal.4th 953, 978 .) “The substantial factor standard ‘subsumes’ and ‘generally produ

2026(Rutherford v. Owens-Illinois, Inc. (1997) 16 Cal.4th 953 , 6 968.) “‘The substantial factor standard is a relatively broad one, requiring only that the contribution of the individual cause be more than negligible or theoretical.’” (Bockrath v. Aldrich Chemical Co. (1999) 21 Cal.4th 71, 79 (Bockrath).) Causation is ordinarily a question of fact and can only be decided on summary judgment if undisputed facts leave no room for reasonable minds to differ.

1127
People v. Blackred
cal · 2007 · cited in 11 California opinions naming this issue, 2014–2022
2 sentences

2022When a defendant is convicted of two or more crimes, “the second or other subsequent judgment upon which sentence is ordered to be executed shall direct whether the terms of imprisonment . . . shall run concurrently or 80 consecutively.” (§ 669, subd. (a).) “Upon the failure of the court to determine how the terms of imprisonment on the second or subsequent judgment shall run, the term of imprisonment on the second or subsequent judgment shall run concurrently.” (§ 669, subd. (b); see People v. Black (2007) 41 Cal.4th 799, 822 [§ 669 “provides for a default” if the court does not impose a cons

2022When a defendant is convicted of two or more crimes, “the second or other subsequent judgment upon which sentence is ordered to be executed shall direct whether the terms of imprisonment . . . shall run concurrently or 80 consecutively.” (§ 669, subd. (a).) “Upon the failure of the court to determine how the terms of imprisonment on the second or subsequent judgment shall run, the term of imprisonment on the second or subsequent judgment shall run concurrently.” (§ 669, subd. (b); see People v. Black (2007) 41 Cal.4th 799, 822 [§ 669 “provides for a default” if the court does not impose a cons

1011
Viner v. Sweetgreen
cal · 2003 · cited in 20 California opinions naming this issue, 2014–2026
2 sentences

2026In Viner, our Supreme Court held that “a plaintiff in a transactional malpractice action must show that but for the alleged malpractice, it is more likely than not that the plaintiff would have obtained a more favorable result.” (Viner v. Sweet, supra, 30 Cal.4th at p. 1244 .) In discussing causation generally, the high court stated that “ ‘California has definitively adopted the substantial factor test of the Restatement Second of Torts for cause-in-fact determinations.’ ” (Id. at p. 1239.) The court went on to explain that “[t]he text of Restatement section 432 demonstrates how the ‘substant

2023The court found the evidence “overwhelmingly corroborate[ed] Caceres’s testimony that she did not hear the siren or see the emergency lights.” 8 The substantial factor test applies “where concurrent independent causes contribute to an injury . . . .” (Tansavatdi v. City of Rancho Palos Verdes (2023) 14 Cal.5th 639 , 661; State Dept. of State Hospitals v. Superior Court (2015) 61 Cal.4th 339, 352, fn. 12 ; see Modisette v. Apple Inc. (2018) 30 Cal.App.5th 136, 153, fn. 14 .) “Concurrent independent causes ‘are multiple forces operating at the same time and independently, each of which would hav

520
People v. Sandovalred
cal · 2007 · cited in 16 California opinions naming this issue, 2014–2023
2 sentences

2022When a defendant is convicted of two or more crimes, “the second or other subsequent judgment upon which sentence is ordered to be executed shall direct whether the terms of imprisonment . . . shall run concurrently or 80 consecutively.” (§ 669, subd. (a).) “Upon the failure of the court to determine how the terms of imprisonment on the second or subsequent judgment shall run, the term of imprisonment on the second or subsequent judgment shall run concurrently.” (§ 669, subd. (b); see People v. Black (2007) 41 Cal.4th 799, 822 [§ 669 “provides for a default” if the court does not impose a cons

2022When a defendant is convicted of two or more crimes, “the second or other subsequent judgment upon which sentence is ordered to be executed shall direct whether the terms of imprisonment . . . shall run concurrently or 80 consecutively.” (§ 669, subd. (a).) “Upon the failure of the court to determine how the terms of imprisonment on the second or subsequent judgment shall run, the term of imprisonment on the second or subsequent judgment shall run concurrently.” (§ 669, subd. (b); see People v. Black (2007) 41 Cal.4th 799, 822 [§ 669 “provides for a default” if the court does not impose a cons

516
State Department of State Hospitals v. Superior Courtgreen
cal · 2015 · cited in 11 California opinions naming this issue, 2018–2026
2 sentences

2020(See Rutherford v. Owens-Illinois, Inc. (1997) 16 Cal.4th 953, 968 [“California has definitively adopted the substantial factor test . . . for cause-in-fact determinations.”]; Novak v. Continental Tire North America (2018) 22 Cal.App.5th 189, 197 [same]; Demara v. The Raymond Corp., supra, 13 Cal.App.5th at p. 554 [applying the substantial factor test to a design defect cause of action]; Garrett v. Howmedica Osteonics Corp. (2013) 214 Cal.App.4th 173, 190 [applying the substantial factor test to a manufacturing defect cause of action]; Huitt v. Southern California Gas Co. (2010) 188 Cal.App.4t

2020(See Rutherford v. Owens-Illinois, Inc. (1997) 16 Cal.4th 953, 968 [“California has definitively adopted the substantial factor test . . . for cause-in-fact determinations.”]; Novak v. Continental Tire North America (2018) 22 Cal.App.5th 189, 197 [same]; Demara v. The Raymond Corp., supra, 13 Cal.App.5th at p. 554 [applying the substantial factor test to a design defect cause of action]; Garrett v. Howmedica Osteonics Corp. (2013) 214 Cal.App.4th 173, 190 [applying the substantial factor test to a manufacturing defect cause of action]; Huitt v. Southern California Gas Co. (2010) 188 Cal.App.4t

511
Doupnik v. General Motors Corp.green
calctapp · 1990 · cited in 5 California opinions naming this issue, 1991–2021
2 sentences

2021(Campbell v. General Motors Corp. (1982) 32 Cal.3d 112, 121-122 (Campbell); see also Doupnik, supra, at pp. 868-869 .) “ ‘The substantial factor standard is a relatively broad one, requiring only that the contribution of the individual cause be more than negligible or theoretical.’ [Citation.]” (Bockrath v. Aldrich Chemical Co. (1999) 21 Cal.4th 71, 79 .) “Thus, ‘a force which plays only an “infinitesimal” or “theoretical” part in bringing about injury, damage, or 3 “An appellant, on the other hand, must demonstrate that there is no substantial evidence to support the challenged findings.” (Ba

1999(See Rutherford v. Owens-Illinois, Inc. (1997) 16 Cal.4th 953, 958, 977, 982 [ 67 Cal.Rptr.2d 16 , 941 P.2d 1203 ] [“Instruction on the limits of the plaintiffs’ burden of proof of causation, together with the standardized instructions defining cause-in-fact causation under the substantial factor test (BAJI No. 3.76) and the doctrine of concurrent proximate legal causation (BAJI No. 3.77) will adequately apprise the jury of the elements required to establish causation.”]; Milwaukee Electric Tool Corp. v. Superior Court (1993) 15 Cal.App.4th 547, 565 [ 19 Cal.Rptr.2d 24 ] [“In apportioning faul

55
People v. Caldwellgreen
cal · 1984 · cited in 6 California opinions naming this issue, 1995–2024
2 sentences

2024(E.g., In re M.S. (1995) 10 Cal.4th 698, 716 ; People v. Caldwell (1984) 36 Cal.3d 210, 220 ; Rutherford v. Owens-Illinois, Inc. (1997) 16 Cal.4th 953, 968 .) “ ‘ “The substantial factor standard is a relatively broad one, requiring only that the contribution of the individual cause be more than negligible or theoretical.” [Citation.] Thus, “a force which plays only an ‘infinitesimal’ or ‘theoretical’ part in bringing about injury, damage, or loss is not a substantial factor” [citation], but a very minor force that does cause harm is a substantial factor [citation].’ ” (South Coast Framing, In

2021The substantial factor inquiry shields defendants whose contribution to a harm was “ ‘so infinitesimal or so theoretical’ ” that the injury truly hinged on something else. ( Caldwell, supra, at p. 220 .) The foreseeability inquiry helps courts distinguish between dangerous situations of a defendant’s own creation, and freak occurrences or opportunistic bad actors.

46
Lineaweaver v. Plant Insulation Co.green
calctapp · 1995 · cited in 5 California opinions naming this issue, 1997–2018
2 sentences

2006(See also Lineaweaver v. Plant Insulation Co. (1995) 31 Cal.App.4th 1409 [ 37 Cal.Rptr.2d 902 ] [discussing the substantial factor test with regard to claims involving asbestosis].) Relevant considerations include the “[frequency of exposure, regularity of exposure, and proximity of the asbestos product to plaintiff . . . although these considerations should not be determinative in every case. [Citation.] Additional factors may also be significant in individual cases, such as the type of asbestos product to which plaintiff was exposed, the type of injury suffered by the plaintiff, and other po

2006(See also Lineaweaver v. Plant Insulation Co. (1995) 31 Cal.App.4th 1409 [ 37 Cal.Rptr.2d 902 ] [discussing the substantial factor test with regard to claims involving asbestosis].) Relevant considerations include the “[frequency of exposure, regularity of exposure, and proximity of the asbestos product to plaintiff . . . although these considerations should not be determinative in every case. [Citation.] Additional factors may also be significant in individual cases, such as the type of asbestos product to which plaintiff was exposed, the type of injury suffered by the plaintiff, and other po

45
Modisette v. Apple Inc.green
calctapp · 2018 · cited in 4 California opinions naming this issue, 2019–2023
2 sentences

2023The court found the evidence “overwhelmingly corroborate[ed] Caceres’s testimony that she did not hear the siren or see the emergency lights.” 8 The substantial factor test applies “where concurrent independent causes contribute to an injury . . . .” (Tansavatdi v. City of Rancho Palos Verdes (2023) 14 Cal.5th 639 , 661; State Dept. of State Hospitals v. Superior Court (2015) 61 Cal.4th 339, 352, fn. 12 ; see Modisette v. Apple Inc. (2018) 30 Cal.App.5th 136, 153, fn. 14 .) “Concurrent independent causes ‘are multiple forces operating at the same time and independently, each of which would hav

2020Because the purported [factual] causes of an event may be traced back to the dawn of humanity, the law has imposed additional “limitations on liability other than simple causality.’’’” (State Dept. of State Hospitals, at p. 353.) In such situations, even “where the defendant’s conduct is an actual cause of the harm, the defendant will nevertheless be absolved because of the manner in which the injury occurred.” (Ibid.; accord, Modisette, supra, 30 Cal.App.5th at p. 153 ; see Viner v. Sweet (2003) 30 Cal.4th 1232, 1235, fn. 1 [“Causation analysis in tort law generally proceeds in two stages: de

44
Osborn v. Irwin Memorial Blood Bankgreen
calctapp · 1992 · cited in 9 California opinions naming this issue, 2015–2022
2 sentences

2022“It is reasonably well settled . . . that the causation inquiry has two facets: whether the defendant’s conduct was the ‘cause in fact’ of the injury; and, if so, whether as a matter of social policy the defendant should be held legally responsible for the injury.” (Osborn v. Irwin Memorial Blood Bank (1992) 5 Cal.App.4th 234, 252 .) To determine causation in fact, California has adopted the substantial factor test set forth in the Restatement Second of Torts, section 431.

2021Co. (1999) 21 Cal.4th 71, 79 [“The substantial factor standard is a relatively broad one, requiring only that the contribution of the individual cause be more than negligible or theoretical.”]; Osborn v. Irwin Memorial Blood Bank (1992) 5 Cal.App.4th 234, 253 [“[c]ausation in fact is ultimately a matter of probability and common sense”].) Substantial evidence supports the jury’s finding that Jensen’s negligence was a substantial factor in causing Hernandez’s harm.5 5 Jensen also contends the trial court erred in denying her summary judgment motion, in which she argued the same issues she chall

39
Jones v. Ortho Pharmaceutical Corp.green
calctapp · 1985 · cited in 6 California opinions naming this issue, 2015–2025
2 sentences

2025Mere possibility alone is insufficient to establish a prima facie case.” (Jones v. Ortho Pharmaceutical (1985) 163 Cal.App.3d 396, 402 .) C.

2018Mere possibility alone is insufficient to establish a prima facie case.” (Jones v. Ortho Pharmaceutical Corp. (1985) 163 Cal.App.3d 396, 402 (Jones); Rutherford, supra, 16 Cal.4th at pp. 976-977 & fn. 11; Lineaweaver v. Plant Insulation Co. (1995) 31 Cal.App.4th 1409, 1416 (Lineaweaver); Bromme v. Pavitt (1992) 5 Cal.App.4th 1487, 1498 .) As the Jones court explained in reviewing a judgment of nonsuit against a claim that the defendants’ pharmaceutical product caused the plaintiff’s cancerous condition, “[a]lthough juries are normally permitted to decide issues of causation without guidance fr

36
Uriell v. Regents of University of Californiagreen
calctapp · 2015 · cited in 6 California opinions naming this issue, 2018–2023
2 sentences

2023(See Summers v. Colette, supra, 34 Cal.App.5th at p. 367 .) 20 more than negligible or theoretical.” (Rutherford v. Owens-Illinois, Inc. (1997) 16 Cal.4th 953, 968, 978 .) The substantial factor standard is broader than and “subsumes the ‘but for’ test while reaching beyond it to satisfactorily address other situations, such as those involving independent or concurrent causes in fact.” (Id. at p. 969.) Accordingly, “[u]ndue emphasis should not be placed on the term ‘substantial.’” (Ibid.) “Even ‘a very minor force’ that causes harm is considered a cause in fact of the injury.” (Uriell v. Regen

2021“The court’s use of CACI No. 430 to instruct the jury regarding the substantial factor standard for causation was appropriate and accurately stated the applicable legal principle. . . . [¶] Whether a defendant’s conduct actually caused an injury is a question of fact [citation] that is ordinarily for the jury.” (Uriell v. Regents of University of California (2015) 234 Cal.App.4th 735, 744 .) CACI No. 430 states that Murphy’s negligence “does not have to be the only cause of the harm” as long as it is a nontrivial factor causing Davis’s post-accident pain and losses.

36
Whiteley v. Philip Morris, Inc.green
calctapp · 2004 · cited in 4 California opinions naming this issue, 2014–2026
2 sentences

2026The substantial factor standard “subsumes” and “generally produces the same results as does the ‘but for’ rule of causation which states that a defendant’s conduct is a cause of the injury if the injury would not have occurred ‘but for’ that conduct.” (Rutherford, p. 969.) And “ ‘[l]egal causation is generally a question of fact to be determined by the jury . . . unless, as a matter of law, the facts admit of only one conclusion.’ ” (Whiteley v. Philip Morris Inc. (2004) 117 Cal.App.4th 635 , 694-695; see Ortega v. Kmart Corp. (2001) 26 Cal.4th 1200, 1205 .) Substantial Evidence Supports the J

2024(Cal. Practice Guide: Personal Injury); see Whiteley, supra, 117 Cal.App.4th at p. 696 [“A tort is a legal cause of injury only when it is a substantial factor in producing the injury.”].) “ ‘ “The substantial factor standard is a relatively broad one, requiring only that the contribution of the individual cause be more than negligible or theoretical.” ’ ” ( Whiteley, supra, at p. 699 .) Thus, a force which plays only an “ ‘ “ ‘infinitesimal’ ” ’ ” or “ ‘ “ ‘theoretical’ ” ’ ” part in bringing about the injury is not a substantial factor, but a “ ‘ “very minor force that does cause harm is a s

34
Ericson v. Federal Express Corp.green
calctapp · 2008 · cited in 4 California opinions naming this issue, 2013–2023
2 sentences

2023When foreseeability is analyzed to determine the existence or scope of a duty, foreseeability is also a question of law.” (Ericson v. Federal Express Corp. (2008) 162 Cal.App.4th 1291, 1300 .) A. Premises Liability and Common Law Negligence Torres argues Dateland can be held liable under a premises liability theory because, though not the owners of the property, it had sufficient control over the premises when excavating under the terms of its agreement to take on a duty of care and a duty to warn typically reserved for owners, lessees, or general contractors. 10 “Premises liability ‘“is groun

2014When foreseeability is analyzed to determine the existence or scope of a duty, foreseeability is also a question of law.” (Ericson v. Federal Express Corp. (2008) 162 Cal.App.4th 1291, 1300 (Ericson).) To support their contention that Hunter could not prove duty, Defendants produced declarations from the Rickards and Nansco manager Karla Cisneros.

34
Hill v. National Collegiate Athletic Assn.green
cal · 1994 · cited in 4 California opinions naming this issue, 1997–2019
2 sentences

2019(Hill, supra, 7 Cal.4th at p. 34 .) We explained: “The particular context, i.e., the specific kind of privacy interest involved and the nature and seriousness of the invasion and any countervailing interests, remains the critical factor in the analysis.

2016(Hill v. National Collegiate Athletic Assn. (1994) 7 Cal.4th 1, 34-35 [ 26 Cal.Rptr.2d 834 , 865 P.2d 633 ].) In some cases, a compelling interest must be shown; while a simple balancing test is used in other situations. {Id. at p. 34.) “The particular context, i.e., the specific kind of privacy interest involved and the nature and seriousness of the invasion and any countervailing interests, remains the critical factor in the analysis.” (Ibid.) In Fett, supra, 245 Cal.App.4th at page 213 , the Court of Appeal affirmed the trial court’s order compelling a physician to comply with an administra

34
Endicott v. Nissan Motor Corp.green
calctapp · 1977 · cited in 4 California opinions naming this issue, 1990–2004
2 sentences

2004Olson Corp. (1972) 8 Cal.3d 121, 127 [ 104 Cal.Rptr. 433 , 501 P.2d 1153 ]; Endicott v. Nissan Motor Corp. (1977) 73 Cal.App.3d 917, 926 [ 141 Cal.Rptr. 95 ]; see BAJI No. 3.76.) [i] California has definitively adopted the substantial factor test of the Restatement Second of Torts for cause-in-fact determinations.

2004Olson Corp. (1972) 8 Cal.3d 121, 127 [ 104 Cal.Rptr. 433 , 501 P.2d 1153 ]; Endicott v. Nissan Motor Corp. (1977) 73 Cal.App.3d 917, 926 [ 141 Cal.Rptr. 95 ]; see BAJI No. 3.76.) [i] California has definitively adopted the substantial factor test of the Restatement Second of Torts for cause-in-fact determinations.

34
Demara v. Raymond Corp.green
calctapp · 2017 · cited in 3 California opinions naming this issue, 2020–2021
33
Ake v. Oklahomagreen
scotus · 1985 · cited in 3 California opinions naming this issue, 1990–2013
33
Potter v. Firestone Tire & Rubber Co.green
cal · 1993 · cited in 4 California opinions naming this issue, 1994–2019
2 sentences

2019(Ibid.) The substantial factor test originated in the Restatement (Second) of Torts (Potter v. Firestone Tire & Rubber Co. (1993) 6 Cal.4th 965, 1025 ), which provides that an actor’s conduct “is not a substantial factor in bringing about harm to another if the harm would have been sustained” in the absence of the actor’s conduct.

2019Co. (2015) 239 Cal.App.4th 1088 , 1103, 192 Cal.Rptr.3d 354 ; see Rutherford v. Owens-Illinois, Inc. (1997) 16 Cal.4th 953 , 968-969, 67 Cal.Rptr.2d 16 , 941 P.2d 1203 ; Franklin v. Dynamic Details, Inc. (2004) 116 Cal.App.4th 375 , 391, 10 Cal.Rptr.3d 429 [applying the substantial factor test to causes of action for interference with contractual relations and interference with prospective economic relations].) "The term 'substantial factor' has not been judicially defined with specificity, and indeed it has been observed that it is 'neither possible nor desirable to reduce it to any lower ter

24
Mayes v. Bryangreen
calctapp · 2006 · cited in 3 California opinions naming this issue, 2011–2025
2 sentences

2025They are “(a) a legal duty to use due care; (b) a breach of such legal duty; [and] (c) the breach as the proximate or legal cause of the resulting injury.” ’ ” (Ladd v. County of San Mateo (1996) 12 Cal.4th 913, 917 .) “The proper test for proving causation is the ‘substantial factor’ test. [Citation.] The ‘causation element of negligence is satisfied when the plaintiff establishes (1) that the defendant’s breach of duty . . . was a substantial factor in bringing about the plaintiff’s harm and (2) that there is no rule of law relieving the defendant of liability.’ ” (Mayes v. Bryan (2006) 139

2022(See ibid. [where finding of a jet ski design defect established increased risk of harm as a matter of law, there was “no need” for special instruction also requiring plaintiffs to prove the defect increased risk]; Mayes v. Bryan (2006) 139 Cal.App.4th 1075, 1080 [in wrongful death action, “trial court did not err in refusing to instruct the jury on ‘but for’ causation because the jury was instructed on ‘substantial factor’ and ‘but for’ is subsumed under the substantial factor test”; “instruction would have been redundant, with the result that the omission did not prejudice defendants”]; John

23
T.H. v. Novartis Pharmaceuticals Corporationgreen
cal · 2017 · cited in 3 California opinions naming this issue, 2022–2025
2 sentences

2025(See Beebe v. Wonderful Pistachios & Almonds LLC (2023) 92 Cal.App.5th 351 , 370, internal quotations omitted [“The substantial factor standard is a relatively broad one, requiring only that the contribution of the individual cause be more than negligible or theoretical.”]; see also T.H. v. Novartis Pharmaceuticals Corp. (2017) 4 Cal.5th 145, 198 [“proximate cause is ordinarily a question of fact”]; Hoyem v. Manhattan Beach City School Dist. (1978) 22 Cal.3d 508, 520 [“[p]roximate cause . . . is generally a question of fact”].) Namini argues that there was no evidence he “was in any way untrut

2023Inc. (2009) 179 Cal.App.4th 549, 558 .) “To prove causation at trial, a ‘ “plaintiff must introduce evidence which affords a reasonable basis for the conclusion that it is more likely than not that the conduct of the defendant was a cause in fact of the result.” ’ [Citation.] A ‘mere possibility’ of causation is insufficient. [Citation.] Rather, the plaintiff must demonstrate that ‘the defendant’s breach of its duty to exercise ordinary care was a substantial factor in bringing about plaintiff’s harm.’ ” (Hassaine v. Club Demonstration Services, Inc. (2022) 77 Cal.App.5th 843 , 858; see also T

23
People v. Fromuthgreen
calctapp · 2016 · cited in 3 California opinions naming this issue, 2021–2024
2 sentences

2024(Fromuth, supra, 2 Cal.App.5th at p. 103 .) “ ‘ “The substantial factor standard is a relatively broad one, requiring only that the contribution of the individual cause be more than negligible or theoretical.” ’ ” (Id. at p. 105.) We “presume that the jury drew all reasonable inferences that could support its finding that defendant had an unnatural or abnormal sexual interest in children.” (Id. at p. 104.) Case law explains that when it comes to children, it is generally understood that a defendant’s sexual interest in them will be considered abnormal and not within accepted standards of socia

2023A. Substantial Evidence Supports the Verdict Section 288.4 requires, among other things, proof that a person charged with violating the statute was “motivated by an unnatural or abnormal sexual interest in children.” Precedent elaborates that “section 288.4 requires that the prohibited motivation be a substantial factor in the commission of the prohibited act.” (People v. Fromuth (2016) 2 Cal.App.5th 91, 103 .) “‘“The substantial factor standard is a relatively broad one, requiring only that the contribution of the individual cause be more than negligible or theoretical.” [Citation.] Thus, “a

23
Franklin v. Dynamic Details, Inc.green
calctapp · 2004 · cited in 3 California opinions naming this issue, 2019–2023
23
State ex rel. Wilson v. Superior Courtgreen
calctapp · 2014 · cited in 3 California opinions naming this issue, 2018–2018
23
People v. Jonesgreen
calctapp · 2010 · cited in 3 California opinions naming this issue, 2014–2016
23
Ortega v. Kmart Corp.green
cal · 2001 · cited in 2 California opinions naming this issue, 2019–2026
22
People v. Arellanogreen
calctapp · 2016 · cited in 2 California opinions naming this issue, 2025–2025
22
Tansavatdi v. City of Rancho Palos Verdesgreen
cal · 2023 · cited in 2 California opinions naming this issue, 2023–2025
22
People v. Fernandezgreen
calctapp · 1990 · cited in 2 California opinions naming this issue, 2024–2024
22
Stanley v. Richmondgreen
calctapp · 1995 · cited in 2 California opinions naming this issue, 2015–2023
22
Jennings v. Palomar Pomerado Health Systems, Inc.green
calctapp · 2003 · cited in 2 California opinions naming this issue, 2023–2023
22
Huitt v. Southern California Gas Co.green
calctapp · 2010 · cited in 2 California opinions naming this issue, 2020–2020
22
Garrett v. Howmedica Osteonics Corp.green
calctapp · 2013 · cited in 2 California opinions naming this issue, 2020–2020
22
Novak v. Continental Tire N. Am.green
calctapp · 2018 · cited in 2 California opinions naming this issue, 2020–2020
22
Flowers v. Torrance Memorial Hospital Medical Centergreen
cal · 1994 · cited in 2 California opinions naming this issue, 2015–2015
22
Thomsen v. Rexall Drug & Chemical Co.green
calctapp · 1965 · cited in 2 California opinions naming this issue, 1997–2015
22
People v. Foalimagreen
calctapp · 2015 · cited in 12 California opinions naming this issue, 2016–2026
2 sentences

2026(Holmberg, supra, 195 Cal.App.4th at p. 1321 .) “California courts have adopted the ‘substantial factor’ test for analyzing proximate cause.” (People v. Foalima (2015) 239 Cal.App.4th 1376, 1396 .) “ ‘ “The substantial factor standard is a relatively broad one, requiring only that the contribution of the individual cause be more than negligible or theoretical.” Thus, “a force which plays only an ‘infinitesimal’ or ‘theoretical’ part in bringing about injury, damage or loss is not a substantial factor” [citation], but a very minor force that does cause harm is a substantial factor [citation].’

2023Section 1202.4, subdivision (f)(3), provides: “To the extent possible, the restitution order . . . shall be of a dollar amount that is sufficient to fully reimburse the victim or victims for every determined economic loss incurred as the result of the defendant’s criminal conduct[.]” (Italics added.) Contrary to Velez’s proposed “but-for” standard, California courts have adopted the “ ‘substantial factor’ ” test in determining whether a victim’s losses “result” 11 from the defendant’s conduct.6 (Foalima, supra, 239 Cal.App.4th at p. 1396; Holmberg, supra, 195 Cal.App.4th at p. 1321 .) “ ‘ “The

112
In re Coleygreen
cal · 2012 · cited in 8 California opinions naming this issue, 2014–2016
2 sentences

2016(See In re Coley (2012) 55 Cal.4th 524, 557-558 [ 146 Cal.Rptr.3d 382 , 283 P.3d 1252 ],) 18 In People v. Sandoval (2007) 41 Cal.4th 825, 850-851 [ 62 Cal.Rptr.3d 588 , 161 P.3d 1146 ], the California Supreme Court stated that, in making its discretionary sentencing choices post-Cunningham, “the trial court need only ‘state [its] reasons’ [citation]; it is not required to identify aggravating and mitigating factors, apply a preponderance of the evidence standard, or specify the ‘ultimate facts’ that ‘justify[] the term selected.’ [Citations.] Rather, the court must ‘state in simple language th

2016(See In re Coley (2012) 55 Cal.4th 524, 557-558 [ 146 Cal.Rptr.3d 382 , 283 P.3d 1252 ],) 18 In People v. Sandoval (2007) 41 Cal.4th 825, 850-851 [ 62 Cal.Rptr.3d 588 , 161 P.3d 1146 ], the California Supreme Court stated that, in making its discretionary sentencing choices post-Cunningham, “the trial court need only ‘state [its] reasons’ [citation]; it is not required to identify aggravating and mitigating factors, apply a preponderance of the evidence standard, or specify the ‘ultimate facts’ that ‘justify[] the term selected.’ [Citations.] Rather, the court must ‘state in simple language th

18

Distinguished, questioned or overruled (1)

CaseNegativeCited
State Department of State Hospitals v. Superior Courtgreen
cal · 2015 · cited in 11 California opinions naming this issue, 2018–2026
2 sentences

2020(See Rutherford v. Owens-Illinois, Inc. (1997) 16 Cal.4th 953, 968 [“California has definitively adopted the substantial factor test . . . for cause-in-fact determinations.”]; Novak v. Continental Tire North America (2018) 22 Cal.App.5th 189, 197 [same]; Demara v. The Raymond Corp., supra, 13 Cal.App.5th at p. 554 [applying the substantial factor test to a design defect cause of action]; Garrett v. Howmedica Osteonics Corp. (2013) 214 Cal.App.4th 173, 190 [applying the substantial factor test to a manufacturing defect cause of action]; Huitt v. Southern California Gas Co. (2010) 188 Cal.App.4t

2020(See Rutherford v. Owens-Illinois, Inc. (1997) 16 Cal.4th 953, 968 [“California has definitively adopted the substantial factor test . . . for cause-in-fact determinations.”]; Novak v. Continental Tire North America (2018) 22 Cal.App.5th 189, 197 [same]; Demara v. The Raymond Corp., supra, 13 Cal.App.5th at p. 554 [applying the substantial factor test to a design defect cause of action]; Garrett v. Howmedica Osteonics Corp. (2013) 214 Cal.App.4th 173, 190 [applying the substantial factor test to a manufacturing defect cause of action]; Huitt v. Southern California Gas Co. (2010) 188 Cal.App.4t

211

Also cited on this issue (27)

CaseCitedYears
People v. Holmberg green
calctapp · 2011
2 sentences

2026(Holmberg, supra, 195 Cal.App.4th at p. 1321 .) “California courts have adopted the ‘substantial factor’ test for analyzing proximate cause.” (People v. Foalima (2015) 239 Cal.App.4th 1376, 1396 .) “ ‘ “The substantial factor standard is a relatively broad one, requiring only that the contribution of the individual cause be more than negligible or theoretical.” Thus, “a force which plays only an ‘infinitesimal’ or ‘theoretical’ part in bringing about injury, damage or loss is not a substantial factor” [citation], but a very minor force that does cause harm is a substantial factor [citation].’

2023Section 1202.4, subdivision (f)(3), provides: “To the extent possible, the restitution order . . . shall be of a dollar amount that is sufficient to fully reimburse the victim or victims for every determined economic loss incurred as the result of the defendant’s criminal conduct[.]” (Italics added.) Contrary to Velez’s proposed “but-for” standard, California courts have adopted the “ ‘substantial factor’ ” test in determining whether a victim’s losses “result” 11 from the defendant’s conduct.6 (Foalima, supra, 239 Cal.App.4th at p. 1396; Holmberg, supra, 195 Cal.App.4th at p. 1321 .) “ ‘ “The

142013–2026
People v. Wilson green
calctapp · 2008
2 sentences

2016(See In re Coley (2012) 55 Cal.4th 524, 557-558 .)18 In People v. Sandoval (2007) 41 Cal.4th 825, 850-851 , the California Supreme Court stated that, in making its discretionary sentencing choices post-Cunningham, “the trial court need only ‘state [its] reasons’ [citation]; it is not required to identify aggravating and mitigating factors, apply a preponderance of the evidence standard, or specify the ‘ultimate facts’ that ‘justify[] the term selected.’ [Citations.] Rather, the court must ‘state in simple language the primary factor or factors that support the exercise of discretion.’ [Citatio

2015Such an evaluation “is not equivalent to a factual finding.” (People v. Black, supra, 41 Cal.4th at p. 814, fn. 4 .) It follows, then, that the trial court need not apply a preponderance of the evidence standard, in that it need not find resentencing the petitioner would, more likely than not, pose an 12 After Cunningham concluded the DSL violated a defendant’s Sixth Amendment right to a jury trial (Cunningham, supra, 549 U.S. at p. 281 ), the Legislature amended section 1170 so that now “(1) the middle term is no longer the presumptive term absent aggravating or mitigating facts found by the

52014–2016
Cunningham v. California green
scotus · 2007
2 sentences

2015Such an evaluation “is not equivalent to a factual finding.” (People v. Black, supra, 41 Cal.4th at p. 814, fn. 4 .) It follows, then, that the trial court need not apply a preponderance of the evidence standard, in that it need not find resentencing the petitioner would, more likely than not, pose an 12 After Cunningham concluded the DSL violated a defendant’s Sixth Amendment right to a jury trial (Cunningham, supra, 549 U.S. at p. 281 ), the Legislature amended section 1170 so that now “(1) the middle term is no longer the presumptive term absent aggravating or mitigating facts found by the

2015Such an evaluation “is not equivalent to a 13 After Cunningham concluded the DSL violated a defendant’s Sixth Amendment right to a jury trial (Cunningham, supra, 549 U.S. at p. 281 ), the Legislature amended section 1170 so that now “(1) the middle term is no longer the presumptive term absent aggravating or mitigating facts found by the trial judge; and (2) a trial judge has the discretion to impose an upper, middle or lower term based on reasons he or she states.” (People v. Wilson (2008) 164 Cal.App.4th 988, 992 .) Subdivision (b) of section 1170 states the court “shall select the term whic

42014–2015
In Re Firearm Cases green
calctapp · 2005
32017–2019
Merrill v. Navegar, Inc. green
cal · 2001
32018–2018
Smith v. Lockheed Propulsion Co. green
calctapp · 1967
32018–2018
Artesian Water Co. v. Government of New Castle County green
ded · 1987
32017–2017
People v. Ortiz green
calctapp · 2023
22024–2025
People v. Moine green
calctapp · 2021
22025–2025
People v. Carmony green
cal · 2004
22025–2025
People v. Garcia green
calctapp · 1995
22024–2024
People v. Lockwood green
calctapp · 2013
22022–2024
Los Angeles County Department of Children & Family Services v. William C. green
cal · 2012
22019–2023
Stathoulis v. City of Montebello green
calctapp · 2008
22023–2023
People v. Scroggins green
calctapp · 1987
22023–2023
Tribeca Companies, LLC v. First American Title Insurance green
calctapp · 2015
22019–2019
City of Modesto Redevelopment Agency v. Superior Court green
calctapp · 2004
22019–2019
Orange Cnty. Water Dist. v. Alcoa Global Fasteners, Inc. green
calctapp · 2017
22019–2019
Hahn v. Mirda green
calctapp · 2007
22018–2018
Williams v. Wraxall green
calctapp · 1995
22018–2018
Pietrone v. American Honda Motor Co. green
calctapp · 1987
22017–2017
Aguilar v. Atlantic Richfield Co. green
cal · 2001
22017–2017
In Re Dylan T. green
calctapp · 1998
22013–2013
In Re Rubisela E. red
calctapp · 2000
22013–2013
In Re Maria R. red
calctapp · 2010
22013–2013
Tarasoff v. Regents of University of California red
cal · 1976
22013–2013
In Re Andy G. green
calctapp · 2010
22013–2013

Statutes the citing opinions construe

CA § Cal. Penal Code § 187 (15) CA § Cal. Evidence Code § 352 (12) CA § Cal. Penal Code § 182 (10) CA § Cal. Civil Code § 1714 (9) CA § Cal. Evidence Code § 1101 (9) CA § Cal. Evidence Code § 452 (9) CA § Cal. Penal Code § 1202.4 (9) CA § Cal. Penal Code § 1170.126 (8) CA § Cal. Penal Code § 288 (8) CA § Cal. Penal Code § 496 (8) CA § Cal. Vehicle Code § 10851 (8) CA § Cal. Water Code § 13304 (8)

Counted by distinct opinions that both name this issue and are annotated to the section; sections every opinion cites regardless of issue are not filtered here, so read the counts against the total above.

Where else courts name it

CA 245 (1935–2026) TX 88 (1972–2026) WA 64 (1982–2026) CT 60 (1980–2022) NJ 59 (1976–2026) IL 57 (1984–2026) PA 55 (1947–2026) WI 51 (1979–2026) LA 48 (1992–2023) VA 47 (1985–2025) MD 45 (1985–2025) OR 36 (1983–2026) TN 29 (1995–2026) NC 29 (1983–2026) KY 26 (1965–2024) OH 26 (1988–2026) MA 22 (1976–2026) KS 21 (1970–2026) UT 21 (1955–2022) ID 21 (1990–2025) GA 19 (1986–2026) IA 18 (1994–2026) MO 17 (1972–2024) MN 16 (1986–2024) AK 16 (1976–2025) FL 15 (1985–2016) AL 15 (1889–2018) IN 15 (1978–2026) NY 15 (1907–2026) MI 15 (1997–2026) MS 14 (1989–2026) AZ 13 (1976–2021) SC 12 (1991–2025) MT 11 (1976–2021) WY 11 (1994–2024) SD 9 (1981–2017) VT 9 (1992–2025) NM 8 (1992–2014) CO 8 (2002–2026) DC 8 (1979–2021) WV 7 (1980–2024) NH 7 (1988–2018) DE 7 (1998–2024) NE 6 (1994–2021) NV 5 (1988–2020) OK 5 (1987–2002) RI 4 (1996–2019) ME 4 (1990–2026) HI 3 (2017–2026) AR 3 (1991–2003) ND 2 (1997–2017)

Opinions by the citing court's state. A doctrine retained in one state and abandoned in another shows up here as a year span that stalls.

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