Bockrath v. Aldrich Chemical Co.

980 P.2d 398, 21 Cal. 4th 71, 99 Cal. Daily Op. Serv. 6018, 86 Cal. Rptr. 2d 846, 99 Daily Journal DAR 7742, 1999 Cal. LEXIS 4848
CourtCalifornia Supreme Court
DecidedJuly 29, 1999
DocketNo. S071500
StatusPublished
Cited by77 cases

This text of 980 P.2d 398 (Bockrath v. Aldrich Chemical Co.) is published on Counsel Stack Legal Research, covering California Supreme Court primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Bockrath v. Aldrich Chemical Co., 980 P.2d 398, 21 Cal. 4th 71, 99 Cal. Daily Op. Serv. 6018, 86 Cal. Rptr. 2d 846, 99 Daily Journal DAR 7742, 1999 Cal. LEXIS 4848 (Cal. 1999).

Opinion

Opinion

MOSK, Acting C. J.

We granted review to decide how a complaint alleging harmful long-term exposure to multiple toxins must plead causation.

Plaintiff, now deceased, contracted multiple myeloma, a form of cancer, while working at Hughes Aircraft Company from January 1973 to March 1994. His suit named at least 55 defendants, including the manufacturers of common products such as WD-40 and rubber cement, and he alleged that the disease arose through his exposure to harmful substances in their products. His second amended complaint, at issue here, contained causes of action for negligence, strict liability for failure to warn and for design defect, ultrahazardous activity, fraudulent concealment, breach of warranty, and battery.

In his complaint, which is long, rambling, and detailed, plaintiff alleged that he believed he and his immediate coworkers used “most, and perhaps all, of the . . . products.” Through his and his immediate coworkers’ use, he believed he inhaled and had direct skin contact with “most and perhaps all” of them. As for the others, plaintiff alleged he believed that because “all” of the products were used or improperly stored somewhere at the Hughes plant and circulated by its ventilation system, the environment contained “all” of them, and he inhaled or had skin contact with “all” of them. He further alleged that “the foregoing chemicals and chemical ingredients . . . [produce] carcinogenic effects.”

Plaintiff continued: “Upon reaching the internal organs of Plaintiff’s body, including but not limited to the liver and spleen, the foregoing chemicals and chemical products were transformed by metabolic processes, resulting in the formation of toxic metabolites, free radicals, and residual unmetabolized product, by various complex biological mechanisms . . . . [f] . . . Upon being so metabolized, residual unreacted product, toxic metabolites, free radicals and other chemicals resulting from metabolic processes migrated to the bone marrow, where such products; byproducts, and toxic metabolites caused hemotoxic, hematotoxic, immunotoxic, genotoxic and carcinogenic injuries to the blood and blood forming organs within Plaintiffs bones, thereby initiating and/or promoting the development of Plaintiff’s multiple myeloma and other related and consequential injuries, which will be further established and clarified according to proof at the time of trial.”

[78]*78In discussing the first amended complaint, which was also prolix, the trial court stated: “This complaint is extremely vague, very broad and very global. You have to be very specific as to each defendant and as to each chemical and causation issue. It is not here. It is a global claim. Everybody is responsible for your client’s medical problem, but we don’t know which defendant and we don’t know which chemical it is. We have no idea in terms of causation.” The trial court rejected plaintiff’s argument that “[w]e have alleged [that] every one of these defendants and every one of these defendants’ products caused the disease. That is all we have to do on demurrer. We don’t have to prove the case in the demurrer hearing. The case law is quite clear . . . that causation may be generally pled[,] meaning [that] to adequately plead a cause of action the element of causation simply needs to state that the defendants caused the injury.”

Certain defendants demurred to the second amended complaint, and the court renewed its criticism, decided that plaintiff had stated as strong a case as he could, and sustained the demurrers of two defendants without leave to amend. It took the others’ demurrers off calendar, ruling that they were moot following its order. Later it entered judgment in all defendants’ favor. The Court of Appeal affirmed.

Discussion

In the ordinary personal injury lawsuit, in which the complaint’s factual recitations show plainly the connection between cause and effect, it suffices to plead causation succinctly and generally. (Rannard v. Lockheed Aircraft Corp. (1945) 26 Cal.2d 149, 155-156 [157 P.2d 1]; Dunn v. Dufficy (1924) 194 Cal. 383, 386-387 [228 P. 1029]; see Guilliams v. Hollywood Hospital (1941) 18 Cal.2d 97, 103 [114 P.2d 1].) The pleading requirements in such a case are unlike those of certain suits in which pleading with particularity is required, such as suits claiming fraud (Committee on Children’s Television, Inc. v. General Foods Corp. (1983) 35 Cal.3d 197, 216 [197 Cal.Rptr. 783, 673 P.2d 660]) or, as a rule, asserting statutory causes of action (Lopez v. Southern Cal. Rapid Transit Dist. (1985) 40 Cal.3d 780, 795 [221 Cal.Rptr. 840, 710 P.2d 907]).

But when, by contrast, “ ‘the pleaded facts of negligence and injury do not naturally give rise to an inference of causation[,] the plaintiff must plead specific facts affording an inference the one caused the others.’ ” (Christensen v. Superior Court (1991) 54 Cal.3d 868, 900-901 [2 Cal.Rptr.2d 79, 820 P.2d 181].) That is, the plaintiff must allege facts, albeit as succinctly as possible, explaining how the conduct caused or contributed to the injury. (Ibid.; Dunn v. Dufficy, supra, 194 Cal. at p. 386; see also Tucker v. Cooper [79]*79(1916) 172 Cal. 663, 668 [158 P. 181] [permitting a plaintiff to “allege[] in sequence a series of facts and circumstances which . . . establish the causation between the ... act of the defendant. . . and the injury”].) (We explain how to satisfy Christensen’s pleading requirement in a case of the type before us by listing the relevant criteria post, p. 80.)

Defendants may be understood to contend that plaintiff has failed to satisfy Christensen’s requirement.

In Rutherford v. Owens-Illinois, Inc. (1997) 16 Cal.4th 953 [67 Cal.Rptr.2d 16, 941 P.2d 1203] (Rutherford), we addressed the question of proof of causation in “the context of products liability actions.” (Id. at p. 968.) We explained: “[T]he plaintiff must prove that the defective products supplied by the defendant were a substantial factor in bringing about his or her injury.” (Ibid.) In cases like the one before us, presenting complicated and possibly esoteric medical causation issues, the standard of proof ordinarily required is “ ‘a reasonable medical probability based upon competent expert testimony that the defendant’s conduct contributed to [the] plaintiff’s injury.’ ” (Id. at p. 976, fn. 11; cf. id. at p. 977 [setting forth the standard of proof for asbestos-related cancer claims].)

“The substantial factor standard is a relatively broad one, requiring only that the contribution of the individual cause be more than negligible or theoretical.” (Rutherford, supra, 16 Cal.4th at p. 978.) Thus, “a force which plays only an ‘infinitesimal’ or ‘theoretical’ part in bringing about injury, damage, or loss is not a substantial factor” (id. at p.

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980 P.2d 398, 21 Cal. 4th 71, 99 Cal. Daily Op. Serv. 6018, 86 Cal. Rptr. 2d 846, 99 Daily Journal DAR 7742, 1999 Cal. LEXIS 4848, Counsel Stack Legal Research, https://law.counselstack.com/opinion/bockrath-v-aldrich-chemical-co-cal-1999.