UCL Claims in California Wage Lawsuits: Employer Guide
Almost every California wage and hour complaint ends with a claim under the unfair competition law, Business and Professions Code section 17200. The claim borrows the Labor Code violations and repackages them as an “unlawful” business practice. In Cortez v. Purolator Air Filtration Products Co. (2000) 23 Cal.4th 163, the Supreme Court of California held that unpaid wages can be recovered as restitution this way. Penalties and damages can’t, and that limit is where the defense starts.
Why do wage complaints include a UCL claim?
Because the UCL lets a Labor Code violation become a second, independent claim with its own rules.
Section 17200 defines unfair competition to include “any unlawful, unfair or fraudulent business act or practice.” Failing to pay wages the Labor Code requires is unlawful, so it qualifies. The Cortez court said “A UCL action is independent of a statutory claim for back wages.”
The UCL claim usually adds less than it seems. It rises or falls with the Labor Code violation it borrows, and its remedies are narrow. Employers who understand those limits can often shrink the UCL count to a duplicate of the wage claim, or knock it out.
What can an employee recover under the UCL?
Restitution and an injunction. Not damages, and not penalties.
The remedy section, Business and Professions Code section 17203, lets a court issue orders “necessary to restore to any person in interest any money or property, real or personal, which may have been acquired by means of such unfair competition.” In Cortez, the court held that earned but unpaid overtime fits that description. It also said a UCL action “is not an all-purpose substitute for a tort or contract action.”
Penalties fall outside the line. In Pineda v. Bank of America, N.A. (2010) 50 Cal.4th 1389, the court held that “section 203 penalties are not recoverable as restitution under the UCL because employees have no ownership interest in the funds.” Waiting time penalties belong in the Labor Code claim or nowhere. The firm’s post on California waiting time penalties covers how those claims are defended on their own terms.
Pineda’s reasoning reaches further than section 203. The court explained that the vested interest in wages comes from the employee’s labor, while the right to a penalty doesn’t exist “Until awarded by a relevant body.” When a complaint asks for any statutory penalty as UCL restitution, that sentence is the employer’s answer.
Who can bring a UCL claim for unpaid wages?
Only someone who lost money or property, and only on behalf of others through a class action.
Private standing comes from section 17204, which allows a suit “by a person who has suffered injury in fact and has lost money or property as a result of the unfair competition.” An employee who was paid correctly has no UCL claim, no matter how strongly the employee feels about the employer’s policies.
Representative relief is limited too. Section 17203 says a private plaintiff may pursue claims on behalf of others “only if the claimant meets the standing requirements of Section 17204 and complies with Section 382 of the Code of Civil Procedure.” Section 382 is the class action statute. A UCL count doesn’t let a single employee collect restitution for coworkers without class certification. The firm’s guide to the first 60 days of a wage class action explains why the certification fight is usually where these cases are won or settled.
Can an employer’s good faith reduce UCL restitution?
It can’t defeat the claim, but it can shape the remedy.
The Cortez court agreed “that equitable defenses may not be asserted to wholly defeat a UCL claim since such claims arise out of unlawful conduct.” In the next sentence, it added that “It does not follow, however, that equitable considerations may not guide the court’s discretion in fashioning the equitable remedies authorized by section 17203.”
The facts of Cortez are a familiar California problem. Production workers at the plant worked four consecutive 10-hour days a week, and the employer couldn’t prove the schedule had been properly adopted as an alternative workweek. The court treated the unpaid daily overtime as wages the employees had already earned, which is why restitution was available at all.
So the facts that make an employer look reasonable still matter. In Cortez, the trial court had denied an injunction because the employer believed in good faith that it was exempt and dropped the schedule as soon as it learned otherwise. A prompt fix counts in the court’s discretion on restitution, and so does a documented legal basis for the practice the employer used before the fix. Building that record early is a core part of employer defense of UCL and wage class claims.
Does a UCL restitution claim survive in federal court?
Often not, if the employee has an adequate legal remedy.
In Sonner v. Premier Nutrition Corp. (9th Cir. 2020) 971 F.3d 834, a consumer case, the Ninth Circuit held “that the traditional principles governing equitable remedies in federal courts, including the requisite inadequacy of legal remedies, apply when a party requests restitution under the UCL and CLRA in a diversity action.” The plaintiff there sought the same money as restitution that she had sought as damages, and the court said she failed “to explain how the same amount of money for the exact same harm is inadequate or incomplete.”
Wage class actions often land in federal court on diversity jurisdiction after removal. The firm’s post on CAFA removal of wage class actions explains when that’s available. Once the case is in federal court, an employer can argue the UCL restitution claim should be dismissed because the Labor Code claims already provide a remedy for the same unpaid wages. Sonner governs federal courts, so the argument doesn’t carry over to a case that stays in superior court.
| What the complaint seeks under the UCL | Available? | Source |
|---|---|---|
| Earned but unpaid wages | Yes, as restitution | Cortez, 23 Cal.4th 163 |
| Waiting time penalties under Labor Code § 203 | No | Pineda, 50 Cal.4th 1389 |
| Compensatory damages | No | Cortez; Bus. & Prof. Code § 17203 |
| Restitution for coworkers | Only through class certification | Bus. & Prof. Code § 17203; Code Civ. Proc. § 382 |
| Injunction against an ongoing practice | Yes, in the court’s discretion | Bus. & Prof. Code § 17203 |
| Restitution in federal court when Labor Code remedies exist | Subject to dismissal | Sonner, 971 F.3d 834 |
What to do when a wage complaint adds a UCL count
- Put a litigation hold on payroll and timekeeping data, wage statements, schedules, emails and texts about pay practices, and every version of the handbook and pay policies.
- Calendar the response date on the summons, and check for an arbitration agreement and an employment practices liability (EPLI) policy with notice requirements.
- Identify the payroll and HR staff who set the practice, and the managers who applied it, and keep any action against the named plaintiff from looking like retaliation.
- Pull the documents the UCL count depends on: the predicate Labor Code violations, which remedies the complaint labels restitution, and any record of when the practice changed and why.
- Talk to a lawyer before paying back wages, changing the practice, or responding to the employee’s counsel, so the fix helps the defense instead of serving as an admission.
FAQ
Can we get rid of a UCL claim that only repeats the Labor Code claims?
Sometimes. A UCL claim built on the “unlawful” prong depends on the Labor Code violation it borrows. If the predicate claim fails on demurrer or summary judgment, the UCL claim based on it usually fails with it. The firm’s post on demurrers in employment cases covers when a pleading attack is worth making. In federal court, Sonner gives a second route.
Can an employee recover waiting time penalties through the UCL?
No. The Supreme Court of California held in Pineda v. Bank of America that Labor Code section 203 penalties aren’t restitution, because employees have no ownership interest in penalties until a court or agency awards them. The employee can still pursue those penalties under the Labor Code itself, so the defense against the penalty claim has to be made there.
Does Sonner apply in California state court?
No. Sonner held that federal equitable principles apply when a federal court hears a UCL claim in a diversity case. It doesn’t bind superior courts. Whether California state courts require a plaintiff to lack an adequate legal remedy before awarding UCL restitution is a separate question of state law, and employers shouldn’t assume the Sonner argument will work after a case is remanded.
If your company faces a UCL claim in a wage lawsuit
If your company has been sued for unpaid wages and the complaint includes a section 17200 claim, the remedies the complaint calls restitution usually show how much of that count is real. Rosenberger + Kawabata represents employers defending employment lawsuits and claims through its business litigation practice, including claims involving unfair competition law counts in wage and hour cases. Contact Rosenberger + Kawabata online for a confidential consultation, or call (310) 894-6921.
Sources
The California decisions are Cortez v. Purolator Air Filtration Products Co. (2000) 23 Cal.4th 163 and Pineda v. Bank of America, N.A. (2010) 50 Cal.4th 1389. The federal decision is Sonner v. Premier Nutrition Corp. (9th Cir. 2020) 971 F.3d 834. The statutes are Business and Professions Code section 17200, section 17203, and section 17204.
This post is general information about California and federal employment law as of November 7, 2026. It is not legal advice, and reading it does not create an attorney-client relationship. Employment statutes, regulations, and court decisions change often, and the outcome of any claim depends on its facts. Past results do not guarantee future outcomes.