Trade Secrets

Edwards v. Arthur Andersen: California Closes the Door on the 'Narrow-Restraint' Exception

The California Supreme Court held that Business and Professions Code section 16600 voids employee non-competes even when narrowly drawn, rejecting the Ninth Circuit's narrow-restraint gloss.

March 10, 2025
An accountant reviewing a printed employment agreement at a desk
A tax manager's refusal to sign a release became the vehicle for California's most categorical statement against employee non-competes. Shutterstock
Educational content, not legal advice. This article explains general legal concepts. It does not create an attorney–client relationship. For your specific situation, consult a licensed attorney.

Edwards v. Arthur Andersen LLP, No. S147190 (Cal. Aug. 7, 2008), reported at 44 Cal.4th 937, is the decision California courts cite first whenever an employer asks whether any version of a post-employment non-compete can survive. The answer the California Supreme Court gave — in a unanimous opinion authored by Justice Chin — is close to absolute. Business and Professions Code section 16600 voids covenants restraining a person from engaging in a lawful profession, trade, or business, and the court refused to read into the statute the “narrow-restraint” exception that the Ninth Circuit had grafted onto California law. The case arose not from an injunction fight but from a CPA’s refusal to sign a release, which makes its sweeping holding on restrictive covenants all the more durable: the court reached the question because it had to, and it answered it without hedging.

At a glance

  • Case: Edwards v. Arthur Andersen LLP, No. S147190 (Cal.); reported at 44 Cal.4th 937
  • Decision: August 7, 2008 (Chin, J., for a unanimous court)
  • Court below: California Court of Appeal, Second Appellate District; on review from Los Angeles County Superior Court
  • Statute: Cal. Bus. & Prof. Code § 16600 (and the enumerated exceptions in §§ 16601, 16602, 16602.5)
  • Core holdings: (1) Section 16600 voids employee non-competition agreements unless they fit a statutory exception; (2) California does not recognize the Ninth Circuit’s “narrow-restraint” exception; (3) the court declined to decide whether a judicially created “trade secret exception” exists; (4) a general release of “any and all” claims is not read to waive nonwaivable statutory rights, such as indemnification under Labor Code § 2802

How a release dispute produced a non-compete landmark

Raymond Edwards II, a certified public accountant, joined Arthur Andersen’s Los Angeles tax practice in 1997. As a condition of employment he signed a non-competition agreement that, for eighteen months after departure, barred him from performing professional services for any Andersen client he had served in his final eighteen months, restricted him for a year from serving certain Los Angeles clients of the office, and for eighteen months prohibited him from soliciting Andersen’s professional personnel away from the firm.

The agreement might have slept undisturbed but for Enron. When Andersen’s criminal indictment collapsed the firm, it sold its tax practice to HSBC. As a condition of that sale Andersen required departing professionals, including Edwards, to sign a “Termination of Non-Compete Agreement” (TONC) that released Andersen from “any and all” claims in exchange for releasing them from the 1997 covenant. Edwards refused, believing the TONC would force him to surrender nonwaivable statutory rights. Andersen terminated him and withheld severance; HSBC withdrew its offer. Edwards sued for intentional interference with prospective economic advantage, and the viability of that claim turned on two predicate questions — whether the original non-compete was lawful, and whether the TONC demanded an unlawful waiver.

The procedural posture matters. Because the interference claim required Edwards to show that Andersen’s conduct was independently wrongful, the court could not sidestep the legality of the underlying covenant. The non-compete question was not dictum dressed up as analysis; it was load-bearing.

The statute means what it says

Section 16600 provides that “every contract by which anyone is restrained from engaging in a lawful profession, trade, or business of any kind is to that extent void.” The court treated the text as a deliberate policy choice, tracing it to California’s longstanding rejection of the common-law rule that tolerates “reasonable” restraints. Where many states ask whether a covenant is reasonable in scope, duration, and geography, California asks a narrower and more lethal question: does it restrain the employee from pursuing a trade or profession at all? If so, it is void unless it fits one of the statutory exceptions — sale of business goodwill (§ 16601), dissolution of a partnership (§ 16602), or dissolution of a limited liability company (§ 16602.5).

Andersen’s covenant fit none of them. By restricting Edwards from serving the firm’s clients, the agreement “restricted his ability to practice his profession,” and that was the end of the inquiry. The court did not weigh the eighteen-month term against the client-specific tailoring or ask whether the burden was modest. The statute does not invite that balancing, and the court declined to supply it.

Burying the narrow-restraint exception

The doctrinally significant move was the court’s repudiation of the Ninth Circuit’s “narrow-restraint” exception. In decisions such as Campbell v. Board of Trustees of Leland Stanford Junior University and General Commercial Packaging v. TPS Package Engineering, federal courts applying California law had reasoned that section 16600 invalidates only covenants that completely foreclose a trade or profession, leaving “narrow” partial restraints enforceable. Andersen leaned on that line, arguing its covenant merely limited Edwards from serving a slice of clients rather than barring accounting altogether.

The California Supreme Court rejected the gloss outright. The Ninth Circuit’s reading, it held, was “not [the] correct interpretation of California law.” Nothing in section 16600’s text or in the Legislature’s choice of categorical language authorized courts to carve out partial restraints they deemed tolerable. If the Legislature wanted exceptions beyond those it enumerated, it could enact them; the judiciary’s job was to apply the statute, not to soften it. With that, a body of federal authority that employers had used for years to defend tailored covenants lost its footing in the state whose law it purported to construe.

What the court left open — and the release holding

The court was careful about one boundary it did not cross. It expressly declined to decide whether a judicially recognized “trade secret exception” to section 16600 exists — the idea that an employer may restrain a former employee from exploiting trade secrets to compete. The court noted the asserted exception without endorsing or rejecting it, leaving the interaction between section 16600 and trade-secret protection for another day.

On the second predicate question, the court handed Andersen a partial win that protects employers generally. Edwards argued the TONC was unlawful because its release of “any and all” claims would have forced him to waive his nonwaivable right to indemnification under Labor Code section 2802. The court disagreed: a general release is not construed to encompass nonwaivable statutory rights, so the TONC did not in fact require Edwards to surrender his indemnity rights, and demanding that he sign it was therefore not independently wrongful. Edwards’s interference claim failed on that ground even as his reading of section 16600 prevailed.

Open questions

The opinion’s reach is broad, but it leaves edges. First, the trade-secret exception remains formally undecided in California, and lower courts and the Ninth Circuit have continued to negotiate the line between an unlawful restraint and legitimate trade-secret protection without a definitive Supreme Court answer. Second, Edwards addressed an employee non-compete; it did not resolve how far the same logic extends to employee non-solicitation and customer non-solicitation provisions — a gap later California decisions, applying Edwards’s text-first method, have pushed into. Third, the opinion predates the statutory reinforcement of 2024 (Bus. & Prof. Code §§ 16600.1 and 16600.5), which voids non-competes regardless of where or when signed and requires employers to notify affected workers, raising questions about retroactive notice obligations that Edwards itself never had to consider.

Implications

  • No tailoring saves a non-compete in California. A narrowly drawn, client-specific, time-limited covenant is as void as a blanket ban if it restrains the employee from practicing a trade or profession.
  • The narrow-restraint exception is dead in state court. Employers can no longer rely on the Ninth Circuit’s pre-Edwards gloss to defend partial restraints under California law.
  • Statutory exceptions are the only safe harbor. Sale-of-goodwill and entity-dissolution covenants under sections 16601–16602.5 remain the rare enforceable category.
  • General releases do not reach nonwaivable rights. A boilerplate release of “any and all” claims will not be read to waive statutory indemnity or similar protections — useful to employers drafting separation agreements, and to employees evaluating them.
  • Read Edwards with the 2024 amendments. Sections 16600.1 and 16600.5 now add notice duties and an express extraterritorial reach that build on the foundation Edwards laid.

Frequently asked questions

Does Edwards ban every non-compete in California? It voids employee non-competition agreements that restrain a person from engaging in a lawful profession, trade, or business unless they fall within a statutory exception, such as the sale of a business’s goodwill or the dissolution of a partnership or LLC. Those statutory categories survive; ordinary employee covenants do not.

Did the court decide whether trade secrets can justify a non-compete? No. The court expressly declined to address the asserted “trade secret exception” to section 16600, leaving open how restraints aimed at protecting trade secrets interact with the statute.

Why does an interference-with-economic-advantage case control non-compete law? Because Edwards’s tort claim required proof that Andersen’s conduct was independently wrongful, the court had to decide whether the underlying non-compete and the demanded release were lawful. The non-compete holding was necessary to the judgment, not passing commentary.

Authorities and sources