Keith Miller, V. Stephanie Miller

Court of Appeals of Washington·Decided June 23, 2026·No. 60564-3·Unpublished

Opinion

Filed

Washington State

Court of Appeals

Division Two

June 23, 2026

IN THE COURT OF APPEALS OF THE STATE OF WASHINGTON DIVISION II

KEITH D. MILLER, in his capacity as No. 60564-3-II Personal Representative of the Estate of KEVIN D. MILLER,

Respondent,

v.

STEPHANIE MILLER, an individual, UNPUBLISHED OPINION Appellant.

MAXA, J. – Stephanie Miller appeals the trial court’s grant of summary judgment in favor of Keith Miller, in his capacity as personal representative of the estate of Kevin Miller.1 Stephanie and Kevin married in 2013 and divorced in 2019. Kevin had a Boeing Company 401(k) retirement plan administered by Fidelity Workplace Services LLC (Fidelity). Stephanie was the designated beneficiary on the retirement plan, and she was not removed as the beneficiary after Stephanie and Kevin’s divorce. When Kevin died intestate in 2023, Fidelity disbursed approximately $373,000 to Stephanie.

1 We refer to the parties and the decedent by their first names due to their shared last name. No disrespect is intended.

Keith subsequently sued Stephanie for unjust enrichment, arguing that RCW 11.07.010(2)(a) revoked Stephanie’s status as the beneficiary on the Boeing retirement plan when she and Kevin divorced. The trial court granted Keith’s motion for summary judgment and required Stephanie to pay the money from the retirement plan disbursement to Keith.

RCW 11.07.010(2)(a) requires that a provision made before the dissolution of a marriage that relates to the payment the decedent’s interest in a “nonprobate asset” in favor of the decedent’s former spouse is revoked. RCW 11.07.010(5)(a)(i) defines a “nonprobate asset” as an employee benefit plan unless “provided otherwise by controlling federal law.” Stephanie argues that a federal statute, the Employment Retirement Income Securities Act of 1974 (ERISA), 29 U.S.C. § 1001 et seq., is controlling federal law such that Kevin’s retirement plan is not a nonprobate asset under RCW 11.07.010(5)(a)(i), and therefore RCW 11.07.010(2)(a) does not apply. Although Stephanie submitted documents in the trial court from Fidelity showing that the retirement plan was an ERISA benefit plan, she did not specifically argue that RCW 11.07.010(2)(a) did not apply because ERISA was controlling law.

We hold that (1) although Stephanie did not mention ERISA in the trial court, we exercise our discretion to address her arguments; and (2) the trial court erred when it granted summary judgment in favor of Keith because RCW 11.07.010(2)(a) does not apply and therefore Keith’s unjust enrichment claim fails as a matter of law. Accordingly, we reverse the trial court’s grant of summary judgment in favor of Keith and remand with instructions to enter judgment in favor of Stephanie.

FACTS

Kevin and Stephanie were married in 2013. Kevin had a Boeing retirement plan administered by Fidelity. Stephanie was the designated beneficiary on the retirement plan.

Kevin and Stephanie divorced in 2019. The dissolution decree did not address Kevin’s retirement plan. Stephanie was not removed as the beneficiary of the retirement plan after the divorce.

Kevin died intestate in April 2023. At the time, Kevin’s retirement plan was valued at approximately $373,000. Because Stephanie was the listed beneficiary, Fidelity distributed that amount to her.

Keith was made personal representative of Kevin’s estate. He learned that Fidelity had distributed the Retirement Plan proceeds to Stephanie. Keith filed a lawsuit against Stephanie for unjust enrichment. He alleged that Stephanie was unjustly enriched because she lost any interest in Kevin’s retirement plan when she and Kevin divorced.

Stephanie had an attorney who appeared in the lawsuit. However, it does not appear that Stephanie’s attorney did any work apart from answering Keith’s complaint, and the attorney threatened to withdraw from the case after Stephanie could not produce certain documents.

Keith filed a motion for summary judgment with evidence supporting the facts as described above. He argued that Kevin’s retirement plan was a nonprobate asset, and that RCW 11.07.010(2)(a) provided that the retirement plan’s designation of Stephanie as a beneficiary became void when Stephanie and Kevin divorced.

The record suggests that Stephanie represented herself in responding to the summary judgment motion. Stephanie submitted a variety of documents related to Kevin’s retirement plan to the trial court, including a letter stating that Kevin designated Stephanie as the beneficiary for the retirement plan.2 Stephanie also stated that she should receive the retirement plan benefits

2 The trial court read Stephanie’s letter into the record as her opposition to summary judgment. The trial court also appears to have considered Stephanie’s documents, even though they were

because she was the listed beneficiary, and that when Kevin retired early in 2020 he still listed her as the beneficiary. Stephanie stated that when she asked, Fidelity repeatedly told her that she was the proper recipient of the retirement plan benefits.

Stephanie submitted a letter from Fidelity to the court. The letter stated that Fidelity administered the retirement plan and that the plan was subject to ERISA’s requirements. Stephanie also submitted a form from Fidelity that showed that she was Kevin’s designated beneficiary. The beneficiary designation appears to state that it was entered in January 2022, after Kevin and Stephanie’s divorce. And the designation lists Stephanie as a spousal beneficiary to receive 100 percent of the retirement plan. Stephanie also did not mention ERISA in any of her letters to the court or during oral argument.

The trial court granted summary judgment in favor of Keith. Stephanie appeals the trial court’s summary judgment order.

ANALYSIS

A. STANDARD OF REVIEW We review summary judgment orders de novo. Mihaila v. Troth, 21 Wn. App. 2d 227, 231, 505 P.3d 163 (2022). We view all evidence in the light most favorable to the nonmoving party, including all reasonable inferences. Id. Summary judgment is appropriate when no genuine issues of material fact exist and the moving party is entitled to judgment as a matter of law. Id. A genuine issue of material fact exists if reasonable minds can come to different conclusions on a factual issue. Id. But summary judgment can be determined as a matter of law

not accompanied by a supporting declaration. Keith did not object to these submissions, and the format of Stephanie’s submissions to the trial court is not at issue in this appeal.

if the material facts are not in dispute. Protective Admin. Servs., Inc. v. Dep’t of Revenue, 24 Wn. App. 2d 319, 325, 519 P.3d 953 (2022). B. RELEVANT STATUTES AND CASES 1. RCW 11.07.010 and ERISA RCW 11.07.010(2)(a) states,

If a marriage or state registered domestic partnership is dissolved or invalidated, or a state registered domestic partnership terminated, a provision made prior to that event that relates to the payment or transfer at death of the decedent’s interest in a nonprobate asset in favor of or granting an interest or power to the decedent’s former spouse or state registered domestic partner, is revoked.

(Emphasis added.) RCW 11.07.010(2)(a) provides that a nonprobate asset impacted by that section be distributed as if the former spouse died at the time of entry of the dissolution decree.

RCW 11.07.010(5) states in part,

(a) As used in this section “nonprobate asset” means those rights and interests of a person having beneficial ownership of an asset that pass on the person’s death under only the following written instruments or arrangements other than the decedent’s will:

(i) [a] payable-on-death provision of a . . . employee benefit plan, . . . unless provided otherwise by controlling federal law.

(Emphasis added.)

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