O’Dell v. Aya Healthcare Services, Inc.

Facts

Aya Healthcare Services pairs traveling nurses with hospitals and employs them directly; as a condition of employment, each nurse signs an agreement to arbitrate employment disputes, and “[i]n the event a dispute arises over the validity of the arbitration agreement itself, a ‘delegation clause’ … provides that an arbitrator (rather than a court) will decide whether the arbitration agreement is valid.” (171 F.4th at pp. 1174–1175.) Four former employees — O’Dell, Zimmerman, Miller, and Bailey — brought a putative class action alleging Aya reduced their pay mid-contract, asserting breach of contract, fraudulent inducement, state wage-and-hour violations, and FLSA claims. (Id. at p. 1175.) The agreements were “all materially the same.” (Id. at p. 1174.)

Pursuant to the delegation clauses, the district court sent four disputes to separate arbitrations to decide validity. (171 F.4th at p. 1174.) “[T]he results came back mixed: two of the arbitrators found that the agreements were valid, but the other two arbitrators found that the agreements were invalid.” (Ibid.) Applying non-mutual offensive collateral estoppel, the district court “picked the two arbitral awards invalidating the agreements—and not the two awards upholding the agreements—to preclude the arbitration of disputes with respect to 255 other employees who had separate arbitration agreements with the agency.” (Ibid.) Because two arbitrators had found the agreements invalid, “the remaining hundreds of agreements were deemed invalid too, rendering separate arbitrations unnecessary.” (Ibid.)

Procedural history

Aya appealed the order applying non-mutual offensive collateral estoppel to invalidate the other employees’ arbitration agreements. (171 F.4th at pp. 1174–1175.) The Ninth Circuit reversed and remanded for further proceedings. (Id. at p. 1175; Disposition: “REVERSED AND REMANDED.”)

Issue

Is the application of non-mutual offensive collateral estoppel — using arbitral awards that invalidated some employees’ arbitration agreements to preclude enforcement of other employees’ materially identical agreements — compatible with the Federal Arbitration Act? (171 F.4th at p. 1174.)

Holding

Reasoning

1. Individualized, bilateral proceedings are a fundamental attribute of arbitration. The court built its analysis on the Supreme Court’s FAA jurisprudence: the Act’s defining feature is the enforcement of agreements to resolve disputes “in individualized, one-on-one proceedings.” (171 F.4th at p. 1174.) Under AT&T Mobility LLC v. Concepcion (2011) 563 U.S. 333, 342, courts “must be alert to” state-law or equitable doctrines that interfere with the “fundamental attributes of arbitration,” and may not apply rules that effectively require procedures inconsistent with bilateral arbitration. (Id. at pp. 1175–1176, citing Epic Systems Corp. v. Lewis (2018) 584 U.S. 497.)

2. Non-mutual offensive collateral estoppel collides with that attribute. The doctrine the district court used is “non-mutual” because a party different from the one bound by the earlier proceeding invokes it, and “offensive” because the new party uses it as a sword to establish an issue. (171 F.4th at pp. 1175–1176, citing Parklane Hosiery Co. v. Shore (1979) 439 U.S. 322.) Importing it here meant that the outcome of arbitrations between Aya and four employees would dictate the validity of agreements between Aya and 255 other employees who never participated. That, the court reasoned, “contemplate[s] that a non-mutual preclusion doctrine” would govern separate disputes, transforming “individualized arbitral proceedings into something” else entirely — a bellwether class mechanism the parties never agreed to. (Id. at pp. 1175–1176.)

3. Selectivity exposed the problem. The court underscored the arbitrariness of the approach: the arbitral results were split two-to-two, yet the district court “picked the two arbitral awards invalidating the agreements,” discarding the two upholding them. (171 F.4th at p. 1174.) The maneuver did not reflect a settled, preclusive determination of validity; it selected the answer that defeated arbitration and projected it onto hundreds of non-parties. The FAA does not tolerate an equitable preclusion doctrine deployed to reach that result. (Id. at pp. 1175–1176.)

4. The remedy is individualized adjudication, not aggregation. Because each of the other employees had a “separate arbitration agreement” with its own delegation clause, the validity of each agreement had to be resolved in its own proceeding, not foreclosed wholesale. (171 F.4th at pp. 1174–1175.) The court reversed and remanded so the disputes could proceed consistent with the FAA’s individualized-proceeding guarantee. (Id. at p. 1175.)

Significance

O’Dell closes a creative route plaintiffs had used to defeat mass arbitration: aggregating the results of a handful of bellwether arbitrations and, via non-mutual offensive collateral estoppel, applying an unfavorable subset of those results to invalidate everyone else’s agreements. The Ninth Circuit holds that the FAA forbids using issue preclusion to convert individualized arbitral proceedings into a de facto class adjudication the parties never agreed to. For California employment litigation — where Aya’s travel nurses raised wage-and-hour and FLSA claims — the decision is binding federal authority that constrains how district courts manage large arbitration dockets: each agreement’s validity (including any delegation-clause challenge) must be adjudicated on its own terms. The decision sits alongside the year’s other arbitration rulings (compare Fuentes and Santana on unconscionability) as part of a continuing judicial effort to police the boundary between individualized arbitration and aggregate litigation.

Key quotes

“A hallmark of the FAA is the enforcement of arbitration agreements and the resolution of disputes in individualized, one-on-one proceedings. Doing away with such bilateral proceedings between mutually consenting parties, because other arbitrators in other proceedings involving other parties have already decided the issue, is anathema to the FAA.” (O’Dell, supra, 171 F.4th at p. 1174.)

“[W]e hold that the FAA does not permit the application of non-mutual offensive collateral estoppel that would result in the effective invalidation of arbitration agreements.” (O’Dell, supra, 171 F.4th at p. 1174.)

Read the full opinion (U.S. Court of Appeals, Ninth Circuit) →

Practice pointer

Open questions

The court held only that non-mutual offensive collateral estoppel cannot be used to effectively invalidate arbitration agreements; it did not address whether mutual preclusion — between the same parties across proceedings — might apply, or how preclusion operates when a court (rather than an arbitrator) has rendered a validity determination. (171 F.4th at pp. 1174–1176.) Nor did it resolve the underlying validity of Aya’s agreements or the merits of the nurses’ wage claims, which return to the district court for individualized adjudication. (Id. at p. 1175.) The opinion also leaves open how its reasoning interacts with agreements that are not “materially the same,” where common-issue preclusion arguments might be even weaker. (Id. at p. 1174.)