California Unfair Competition Law: A 5-Minute Legal Guide

California has an unfair competition law that prohibits unfair, deceptive, or fraudulent business practices or misleading advertising. If such actions harm consumers or businesses, they can bring lawsuits to seek compensation or to stop the unfair practices.

Common examples of acts of unfair competition in California include:

To help you better understand unfair competition law (UCL), our California personal injury lawyers discuss:

Consumers who have been hurt by unfair business practices may also wish to read our article on California’s “Consumers Legal Remedies Act” (“CLRA”).

big man in suit squishing little man in suit in between his thumb and forefinger to illustrate unfair competition under California law

Many unfair competition cases involve misrepresentations to consumers.

1. What is “unfair competition”?

California Business and Professions Code 17200 defines “unfair competition” as:

A business practice violates the “unlawful, unfair or fraudulent” prong if it is forbidden by law or is against public policy. Almost any violation of the law can serve as the basis for an unfair competition claim if, as a result of the unfair competition:

Examples of deceptive business practices include (but are not limited to):

2. Who can sue for unfair competition?

To meet the standing requirement to bring a UCL claim in California, a member or members of the public must actually have lost money or property as the result of false advertising or unlawful conduct. Consumer watchdog groups and governmental organizations and lack standing to sue for this cause of action under state law. 6

In the case of unlawful practices, the plaintiff must usually also be able to establish that the defendant intended to destroy competition. 7 Note that it is not necessary to prove this in cases of false or deceptive advertising.

Consumers damaged by unlawful practices who cannot prove intent to destroy competition may, nevertheless, be able to sue under California’s “Consumers Legal Remedies Act” (“CLRA”). 8

Note that federal law can defeat a state law-based UCL claim if the federal preemption requirements are met.

An experienced California business torts litigator can advise you of your options.

hands of judge banging gavel

3. What are the remedies?

Remedies for unfair competition in California can include:

Note that punitive damages are not available in unfair competition cases, even if the defendant’s conduct was malicious. As a result, many unfair competition cases are brought as California class actions.

Additionally, a District Attorney or other government official acting on behalf of the public may be able to bring an action against the person responsible for the wrongful practices for:

It may also be possible to recover attorney fees as business litigation is very expensive.

4. What is the statute of limitations?

UCL actions in California must be commenced within four years. The limitations period begins to run on the earlier of:

Helpful Resources:

Legal references:

  1. California Civil Jury Instructions (CACI) 3300. Locality Discrimination.
  2. CACI 3301. Below Cost Sales.
  3. CACI 3320. Secret Rebates.
  4. California Business and Professions Code 17500 (different than common law).
  5. Same. See also Makreas v. First National Bank of N. Cal. (N.D. Cal. 2012) 856 F. Supp. 2d 1097. See also Bank of the West v. Superior Court, (1992) 2 Cal.4th 1254. See also Unfair and Deceptive Acts and Practices in Real Estate Transactions: The Duty to Disclose Off-site Environmental Hazards, 97 Dick. L. Rev. 153 (1992-1993). See also Hudgins v. Neiman Marcus Group, Inc. (1995) 34 Cal.App.4th 1109; Cortez v. Purolator Air Filtration Products Co. (2000) 23 Cal.4th 163.
  6. They may, however, have standing to sue under another law, such as false designation of origin under the Lanham Act.
  7. See, e.g., CACI 3300, endnote 1.
  8. California Civil Code sections 1750-1784 et seq.
  9. Business and Professions Code 17203.
  10. Business and Professions Code section 17206.
  11. Business and Professions Code 17500, endnote 4.
  12. Business and Prof. Code 17208.