Teela Bauer, V. The Boeing Company

Court of Appeals of Washington·Decided May 18, 2026·No. 87593-1·Published

Opinion

IN THE COURT OF APPEALS OF THE STATE OF WASHINGTON

TEELA BAUER, as guardian of the PERSON and ESTATE OF MILO No. 87593-1-I BAUER, a minor child; and TEELA BAUER and THOMAS BAUER, DIVISION ONE individually, PUBLISHED OPINION

Respondents,

v.

THE BOEING COMPANY, Petitioner,

EXOTIC METALS FORMING COMPANY LLC; GIDDENS INDUSTRIES, INC., d/b/a CADENCE AEROSPACE GIDDENS OPERATIONS; HYTEK FINISHES CO.; NEWCO, INC., d/b/a NEWCO COLUMBIA DISTRIBUTION COMPANY; and TORAY COMPOSITE MATERIALS AMERICA, INC. f/k/a TORAY COMPOSITES (AMERICA), INC.,

Defendants.

BIRK, J. — Teela Bauer brought this personal injury case on behalf of her son, Milo,1 along with claims asserted individually by her and her husband Thomas against, among other defendants, The Boeing Company. The Bauers allege that, because of Boeing’s negligence, Thomas’s work at its manufacturing plant

1 To avoid confusion, we refer to the plaintiffs individually by their first names and collectively as “the Bauers.” We intend no disrespect.

exposed him to hazardous materials damaging his reproductive system and his subsequently conceived son, Milo, was born with significant birth defects as a result. Boeing filed a CR 12(b)(6) motion to dismiss Milo’s claims on the grounds that it did not owe Milo a duty of care because he was not yet conceived when Boeing allegedly damaged Thomas’s reproductive system.

The superior court denied Boeing’s motion to dismiss and certified two questions to this court for discretionary review. The questions posed ask (1) whether Washington law recognizes a duty on the part of an employer to the not- yet-conceived offspring of its employees (i.e., a “preconception” duty), and (2) if so, whether a claim for breach of such a duty is barred by the exclusivity provision of the Washington Industrial Insurance Act (IIA), title 51 RCW, when it arises from an occupational disease that impairs the employee’s reproductive system.

We answer the first question, yes. Subject to the limits of foreseeability, an employer may be liable for negligence towards an employee’s not yet conceived offspring. We answer the second question, no. When the not yet conceived offspring of an employee suffers a separate and distinct injury, even though causally connected to the employee’s employment, the exclusivity provision of the IIA does not bar the child’s claim. We affirm.

I

Boeing sought and obtained discretionary review after the superior court denied its CR 12(b)(6) motion for dismissal. As such, we must examine the pleadings and determine if there is any set of facts, consistent with the complaint,

which would entitle the Bauers to relief. Woodward v. Taylor, 184 Wn.2d 911, 917, 366 P.3d 432 (2016). The facts below are alleged in the Bauers’ complaint.

Thomas is an electrical installer for Boeing at its manufacturing plant in Everett, Washington. He has worked at Boeing since 2011. As part of his work at Boeing, Thomas is regularly exposed to “a mixture of chemicals that, individually and collectively, are capable of harming the unborn child and future offspring, including through genetic, epigenetic and/or other mechanisms that damage sperm and/or otherwise impair the processes of conception and pregnancy.” These chemicals include volatile organic solvents and heavy metals to which Thomas is exposed though inhalation, ingestion, and dermal contact.

While working at Boeing’s Everett facility, Thomas conceived a child, Milo.

Milo was born in 2017. Milo was born with permanent and disabling birth defects, including “congenital heart anomalies, ventricular septic defect, tricuspid atresia, pulmonary stenosis, vacterl syndrome, congenital hip dysplasia, ano-rectal malformation, urethral duplication, and spinal tethering.”

Since the 1970s, peer reviewed epidemiological studies in medical literature have reported significant associations between paternal exposures to workplace chemicals and birth defects. Since at least 1980, scientists have recognized that paternal exposure to chemicals can cause genetic damage in an unborn child. In 1999, the State of Washington published a booklet on the effects of workplace hazards, including organic solvents, to reproduction, acknowledging that preconception exposure in men may affect the development of a child.

Throughout the 1980s and 1990s, Boeing toxicologists monitored scientific research on chemically induced birth defects. According to one Boeing corporate representative, no later than 1984, Boeing was aware that paternal exposures to workplace chemicals could cause birth defects. Starting in 1986, Boeing toxicologists maintained an internal list of chemicals that caused developmental toxicity. The 1986 version of this list identified chemicals which Thomas worked with and around. In a 1986 memorandum, a Boeing epidemiologist identified exposure, for both men and women, to certain chemicals with adverse reproductive outcomes. In 1996, a Boeing toxicologist wrote several memoranda on the potential for paternal exposure to organic solvents causing birth defects.

The Bauers alleged that Thomas reasonably relied on Boeing’s superior knowledge of potential hazards in the workplace, its ability to inform, educate, and warn of potential hazards, and its ability to enforce appropriate safety measures and procedures. In their claim for negligence, the Bauers asserted, among other things, that Boeing owed them a duty of reasonable care and among the ways it had breached that duty, Boeing failed to provide adequate warnings, education, and training, to prevent chemical exposures, to monitor, and to investigate.

Boeing filed a motion to dismiss, arguing that it did not owe Milo a duty of care and that regardless, the claim was barred under the IIA. The superior court denied Boeing’s motion. The superior court granted Boeing’s motion to certify to this court the two questions quoted above. A commissioner of this court granted discretionary review.

II

We review CR 12(b)(6) rulings de novo. Atchison v. Great W. Malting Co., 161 Wn.2d 372, 376, 166 P.3d 662 (2007). We review certified questions of law de novo. Rowe v. Klein, 2 Wn. App. 2d 326, 332, 409 P.3d 1152 (2018).

III

Boeing argues that Washington law does not recognize a preconception duty in the employment context. It argues that if Washington recognized a preconception duty in the employment context, it would “create a host of practical problems.” Boeing’s emphasis on “preconception duty” arbitrarily limits the focus of its analysis. The relevant inquiry is not whether a preconception duty can ever be owed in the employment context, but whether our standards support that Boeing owed Milo a duty of care—they do—and whether Milo was a foreseeable plaintiff—he was.

A

In an action for negligence, a plaintiff must prove four basic elements: (1)

the existence of a duty, (2) breach of that duty, (3) resulting injury, and (4) proximate cause. Degel v. Majestic Mobile Manor, Inc., 129 Wn.2d 43, 48, 914 P.2d 728 (1996). The existence and scope of a duty are questions of law. Centurion Props. III, LLC v. Chicago Title Ins. Co., 186 Wn.2d 58, 65, 375 P.3d 651 (2016). A duty of care is “ ‘an obligation to which the law will give full recognition and effect, to conform to a particular standard of conduct toward another.’ ” Affil. FM Ins. Co. v. LTK Consulting Servs., Inc., 170 Wn.2d 442, 449, 243 P.3d 521 (2010) (internal quotation marks omitted) (quoting Transamerica

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Teela Bauer, V. The Boeing Company, (Wash. Ct. App. 2026).

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