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'''Mobley v. Workday, Inc.''' (Case No. 3:23-cv-00770-RFL, N.D. Cal.) is a federal class action lawsuit alleging that Workday's AI-powered hiring and applicant screening tools discriminate against job applicants based on race, age, and disability. The case is a landmark test of whether AI tool vendors can be held liable as employers or employment agencies under federal anti-discrimination law.<ref name="millershah">[https://millershah.com/blog/ai-employment-discrimination/ Miller Shah - AI Employment Discrimination Update]</ref>

== Parties ==

=== Plaintiff ===
* '''Derek Mobley''', an African American man over 40 with anxiety and depression, who applied to 80–100 positions using Workday's platform and was rejected at a 100% rate<ref name="maynardnexsen">[https://www.maynardnexsen.com/publication-emerging-liability-for-ai-driven-hiring-tools-key-developments-in-mobley-v-workday-inc MaynardNexsen - Emerging Liability for AI-Driven Hiring Tools]</ref>

=== Defendant ===
* '''Workday, Inc.''', provider of AI-driven applicant screening and hiring tools used by thousands of employer clients

== Core Allegations ==

Mobley alleges that Workday's AI-based hiring tools automatically rejected his applications, often at suspicious times like 1:50 a.m. shortly after submission — suggesting automated screening without human review. He claims the system applies biased proxy data to infer protected characteristics:<ref name="margaretspence">[https://margaretspence.substack.com/p/understanding-algorithmic-discrimination Margaret Spence - Understanding Algorithmic Discrimination]</ref>

* '''Age bias''': Graduation dates signal applicants over 40
* '''Race bias''': Attendance at Historically Black Colleges or names associated with racial/ethnic groups
* '''Disability bias''': Performance on neuroscience-based personality assessments reveal mental health conditions

== Legal Claims ==

Mobley seeks to hold Workday liable under multiple federal statutes:
* Title VII of the Civil Rights Act of 1964 (race and sex discrimination)
* Section 1981
* Age Discrimination in Employment Act (ADEA)
* Americans with Disabilities Act Amendments Act (ADAAA)
* California FEHA claims

The central legal question is whether AI tool developers/vendors can be held liable as "employment agencies" or agents when their technology causes discriminatory outcomes, even though Workday was not the direct employer of applicants who used its platform.<ref name="seyfarth">[https://www.seyfarth.com/news-insights/mobley-v-workday-court-holds-ai-service-providers-could-be-directly-liable-for-employment-discrimination-under-agent-theory.html Seyfarth Shaw - Mobley v. Workday: AI Service Providers Could Be Directly Liable Under Agent Theory]</ref>

The EEOC filed an amicus brief supporting Mobley's position, arguing that AI vendors who perform screening functions should be covered under anti-discrimination law.<ref name="millershah" />

== Procedural History ==

=== First Motion to Dismiss (2023–2024) ===
Workday's first motion to dismiss was partially granted and partially denied.

=== Second Motion to Dismiss (July 2024) ===
On July 12, 2024, Judge Rita Lin denied Workday's second motion to dismiss in significant part:<ref name="seyfarth" /><ref name="maynardnexsen" />

'''Dismissed:'''
* Claims that Workday acted as an "employment agency" — the court found this theory insufficient

'''Allowed to Proceed:'''
* Disparate impact and disparate treatment claims under Title VII (race/sex), ADA (disability), ADEA (age), and FEHA
* The court adopted an '''"agent" liability theory''' — holding that Workday could be directly liable as an agent of employer-clients when its AI performs screening functions
* 100% rejection rate combined with biased training data allegations sufficient to survive dismissal

=== Conditional Collective Action Certification (May 2025) ===
On May 16, 2025, the court granted conditional certification of the collective action under the ADEA, allowing age discrimination claims to proceed on a collective basis.<ref name="lawworkplace">[https://www.lawandtheworkplace.com/2025/06/ai-bias-lawsuit-against-workday-reaches-next-stage-as-court-grants-conditional-certification-of-adea-claim/ Law and the Workplace - AI Bias Lawsuit Against Workday Reaches Next Stage]</ref><ref name="maynardnexsen" />

Key findings:
* Plaintiffs sufficiently alleged a "unified policy" in Workday's AI recommendation system
* Workday's arguments about applicant variability did not defeat conditional certification
* The court authorized notice to potential class members and opt-in discovery
* This is conditional certification under the ADEA's collective action provision, not final Rule 23 class certification

=== Current Status ===

As of April 2026, the case remains in discovery following conditional certification. No further rulings on class certification, settlement, or trial date have been reported.<ref name="millershah" /><ref name="maynardnexsen" />

The proposed class covers applicants over 40 who were rejected through Workday's platform since September 24, 2020 — a potentially massive class given Workday has reportedly facilitated over 1.1 billion rejections.<ref name="margaretspence" />

== Significance ==

''Mobley v. Workday'' is a landmark case for AI vendor liability in employment. It could establish precedent on:

* Whether AI tool providers are "agents" of employers under federal discrimination law
* The sufficiency of statistical patterns (e.g., 100% rejection rates) to plead discrimination
* The burden of proof required to challenge AI hiring systems' training data and proxy variables
* The liability framework for companies providing AI screening tools to third-party employers
* The scope of EEOC authority over AI decision-making tools

== See Also ==

* [[Employment]]
* [[Cases]]
* [[Kistler v Eightfold AI Inc]] — Related FCRA class action over AI hiring tools

== References ==

<references />

[[Category:Employment]]
[[Category:Consumer Protection]]

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