Understanding California Employment Confidentiality Agreements

A practical guide to how California regulates workplace confidentiality, nondisclosure clauses, and employee rights.

By Sneha Tete, Integrated MA, Certified Relationship Coach
Created on

Confidentiality clauses and nondisclosure agreements are standard tools in California workplaces, but they are heavily shaped by state law. Employers may protect trade secrets and genuine confidential business information, yet they cannot use these agreements to silence employees about unlawful conduct or to impose backdoor non-compete restrictions. Understanding where the line is drawn is critical for both employers and workers.

This guide explains how California treats employment confidentiality agreements, what content is permitted, where the law prohibits or limits certain terms, and how these contracts interact with broader protections for workplace rights and employee mobility.

1. What Is an Employment Confidentiality Agreement in California?

An employment confidentiality agreement—often called a nondisclosure agreement (NDA) or confidentiality clause—is a contract that restricts an employee from disclosing or using certain information learned through their work. In California, these agreements appear as stand-alone contracts, clauses inside offer letters or employment contracts, and provisions in separation or settlement agreements.

Typical business information covered includes:

  • Technical or commercial trade secrets, such as formulas, manufacturing processes, or algorithms.
  • Customer and supplier lists, pricing strategies, and marketing plans.
  • Proprietary software, internal tools, and non-public operational procedures.
  • Financial data, forecasts, or other non-public company metrics.

California law generally allows employers to protect this type of information, provided the agreement is drafted clearly, supported by consideration, and does not conflict with statutes that safeguard employee rights or prohibit restraints on lawful work.

2. Core Legal Principles Shaping Confidentiality Clauses

Several legal principles define the scope and enforceability of employment confidentiality agreements in California:

2.1 Voluntary Consent and Contract Basics

Like any contract, NDAs must be entered into voluntarily. Employees cannot be lawfully forced to sign under duress or coercion. If signatures are obtained through threats, misrepresentation, or improper pressure, the agreement may be found invalid or unenforceable.

Valid contracts also require:

Read More

California Rules on Forced and Mandatory Overtime >

California Rules on Forced and Mandatory Overtime
  • Consideration – employees typically receive employment, continued employment, or other benefits in exchange for agreeing to confidentiality.
  • Legality – clauses cannot require or conceal unlawful acts; contracts that attempt to hide criminal behavior or violate statutory rights are unenforceable.
  • Clarity – terms must be written, understandable, and specific about what information is protected and for how long.

2.2 Section 16600 and Restrictions on Post-Employment Competition

California Business and Professions Code section 16600 generally prohibits contracts that restrain a person from engaging in a lawful profession, trade, or business. Courts increasingly examine confidentiality provisions to ensure they do not function as disguised non-compete agreements that block an employee from working in their field after leaving a job.

In practice, courts ask:

  • Is the clause narrowly focused on protecting specific confidential information, or is it so broad that it effectively prevents the employee from competing at all?
  • Does the agreement, as applied, stop the employee from using general skills and knowledge, rather than true confidential information?

When confidentiality clauses are drafted or applied in ways that significantly interfere with lawful competition, courts may strike them down under section 16600.

2.3 Protection of Trade Secrets and Proprietary Information

California’s Uniform Trade Secrets Act and related contract principles allow employers to use confidentiality agreements to protect trade secrets and proprietary information. A trade secret typically involves information that:

  • Derives independent economic value from not being generally known or readily ascertainable.
  • Is subject to reasonable efforts to maintain its secrecy, such as access controls and confidentiality policies.

Because trade secrets are strongly protected, courts often grant injunctive relief to stop employees or former employees from misusing or disclosing such information in violation of a valid confidentiality agreement.

3. What Confidentiality Clauses Can and Cannot Cover

California distinguishes between legitimate protection of business information and impermissible efforts to silence employees or hide unlawful acts. The table below summarizes key categories:

Type of Information / Clause Generally Permitted? Key Conditions
Trade secrets and proprietary business information Yes Must be clearly defined and reasonable in scope and duration.
Customer lists, pricing, business strategies Yes Protection cannot effectively bar lawful competition.
Discussion of unlawful acts (harassment, discrimination, labor violations) No Employees retain the right to disclose these issues; clauses restricting such disclosure are unlawful.
Factual information about FEHA-covered discrimination or harassment resolved by settlement No (as to restriction) Settlement agreements may not bar disclosure of factual information about such unlawful conduct.
Severance payment amounts Yes Confidentiality regarding severance amounts is allowed in certain agreements.
Clauses forbidding future employment with the same employer Usually No California law generally prohibits clauses that bar future employment in settlement agreements, with narrow exceptions.

4. The “Silenced No More” Framework and Limits on Gag Clauses

Recent legislation commonly referred to as the “Silenced No More Act” (SB 331) expanded California’s restriction on using confidentiality clauses to silence workers about workplace misconduct. These rules apply to employment, separation, and certain settlement agreements.

4.1 Prohibited Use of Confidentiality and Non-Disparagement Clauses

Under these laws, agreements cannot restrict employees from discussing information about unlawful acts in the workplace, such as:

  • Harassment or discrimination protected under the Fair Employment and Housing Act (FEHA).
  • Retaliation related to reporting or opposing FEHA violations.
  • Other conduct the employee reasonably believes to be unlawful, including certain labor or safety violations.

Non-disparagement clauses must include specific language clarifying that nothing in the agreement prevents the employee from discussing unlawful acts in the workplace. If this qualifying language is missing, the clause is considered unlawful and unenforceable.

4.2 Special Rules for Separation and Settlement Agreements

When employers offer separation or settlement agreements that involve a waiver of FEHA-related claims, additional protections apply. Employers must:

  • Notify the employee of their right to consult an attorney before signing.
  • Allow at least five business days for the employee to consider the agreement.
  • Ensure any early acceptance is knowing and voluntary, without threats to withdraw or worsen the offer.

Moreover, settlement agreements resolving discrimination or harassment claims cannot restrict the complainant from disclosing factual information about the underlying unlawful acts. Clauses that attempt to suppress such disclosure are unlawful and unenforceable.

5. Drafting Requirements for Valid NDAs and Confidentiality Clauses

California law and practice emphasize precision and reasonableness in confidentiality agreements. Effective NDAs typically include:

  • Clear definition of confidential information – specifying categories such as client lists, product designs, or proprietary software rather than vague, catch-all phrases.
  • Identification of parties – naming the employer, the employee, and any affiliated entities receiving or providing information.
  • Scope of obligations – stating how the employee may and may not use or share the information.
  • Exclusions – carving out publicly available information, prior knowledge, legally required disclosures, and independent development.
  • Duration – setting a reasonable time period for confidentiality duties, sometimes lasting as long as the information qualifies as a trade secret.
  • Consequences of breach – describing potential injunctive relief and damages if the agreement is violated.

Overly broad, indefinite, or unclear provisions may fail in court, particularly where they resemble non-compete restrictions or conflict with statutory protections.

6. Enforcement, Remedies, and Situations Where NDAs Fail

6.1 How Employers Commonly Enforce Confidentiality Agreements

When an employee breaches a confidentiality agreement, employers may pursue several remedies:

  • Injunctive relief – court orders stopping further disclosure or misappropriation of confidential information; this is often used where trade secrets are at risk.
  • Damages – monetary compensation for losses caused by the breach.
  • Contractual remedies – enforcement of any liquidated damages or specific contractual penalties, if valid under California law.

6.2 When a Confidentiality Agreement May Be Unenforceable

Several circumstances may lead a court to find an NDA or confidentiality clause invalid or unenforceable:

  • Overbreadth – clauses that effectively prevent lawful competition or constrain ordinary professional activity may violate section 16600.
  • Illegality – agreements that seek to conceal criminal activity, discrimination, harassment, or labor violations are contrary to state law and public policy.
  • Lack of voluntariness – signatures obtained under duress, misrepresentation, or coercion may invalidate the contract.
  • Unreasonable duration or vagueness – NDAs without sensible time limits or clear subject matter may fail judicial scrutiny.
  • Protected disclosures – NDAs cannot override obligations to comply with court orders, regulatory investigations, or statutory rights to report unlawful acts.

Information already public or independently discovered typically cannot be protected by an NDA, and attempts to do so may be disregarded in enforcement proceedings.

7. Practical Tips for Employers

Employers operating in California can still use confidentiality agreements effectively if they align them with state law and current enforcement trends.

7.1 Focus on Genuine Confidentiality

  • Limit confidentiality clauses to specific, non-public information that truly provides competitive or operational value.
  • Avoid using NDAs as substitutes for non-compete agreements; do not prohibit employees from using general skills and knowledge in future jobs.
  • Review template agreements regularly to ensure they reflect current statutory requirements, including “Silenced No More” language where needed.

7.2 Strengthen Internal Protection Measures

  • Restrict access to confidential files through passwords, user permissions, and technical controls.
  • Mark sensitive materials as confidential and adopt consistent policies emphasizing information security.
  • Remind employees that company systems are for business use and that confidential data must not be forwarded or stored on personal devices in violation of policy.

7.3 Integrate Compliance into Separation and Settlement Agreements

  • Include statutorily required language preserving employees’ right to discuss unlawful acts.
  • Provide written notice about the right to seek legal counsel and the minimum consideration period for FEHA-related waivers.
  • Use confidentiality provisions to protect trade secrets and severance amounts, not to suppress discussion of discrimination, harassment, or other misconduct.

8. Practical Tips for Employees

Employees should understand that confidentiality agreements are common and not inherently harmful, but they must be interpreted in light of California’s strong worker protections.

  • Read before signing – carefully review confidentiality and non-disparagement clauses in offer letters, employment contracts, and separation agreements.
  • Consult a lawyer – for settlement or separation agreements involving discrimination or harassment claims, you have a right to consult counsel and time to consider the terms.
  • Know your rights – you generally retain the ability to report unlawful acts to government agencies, to participate in investigations, and to disclose factual information about FEHA-covered misconduct despite any NDA.
  • Respect legitimate confidentiality – do not misappropriate trade secrets, proprietary strategies, or clearly confidential data; breaches can lead to injunctions and damages.

9. Frequently Asked Questions (FAQs)

Q1: Can my employer stop me from talking about workplace harassment or discrimination if I signed an NDA?

No. California law prohibits confidentiality or non-disparagement clauses that prevent you from discussing information about harassment, discrimination, or other unlawful acts, including those covered by FEHA. Any clause attempting to silence such discussion is unlawful and unenforceable.

Q2: Are nondisclosure agreements still enforceable in California?

Yes, NDAs remain enforceable when they are properly drafted, reasonable in scope and duration, and focused on protecting trade secrets or bona fide confidential business information. They cannot be used to block lawful competition or to hide unlawful behavior.

Q3: Do I have to sign a confidentiality agreement to keep my job?

Employers may condition employment or continued employment on agreeing to lawful confidentiality provisions, but your signature must be voluntary, not obtained through coercion or duress. If terms appear overly broad or conflict with statutory rights, you should seek legal advice before signing.

Q4: What happens if I breach my confidentiality agreement?

If you unlawfully disclose genuine confidential information or trade secrets in violation of a valid agreement, your employer may pursue injunctive relief and damages. However, disclosures of unlawful workplace acts protected under California law generally cannot be penalized by contract.

Q5: Can an NDA prevent me from accepting future employment with another company?

In most cases, no. California’s strong prohibition on restraints of trade under section 16600, combined with specific limitations on settlement clauses that bar future employment, mean NDAs cannot be used to stop you from working for other employers. Agreements that function as non-competes are likely to be invalid.

References

  1. Limitations on Confidentiality and Non-Disparagement Clauses in Employment, Separation, and Settlement Agreements — California Civil Rights Department. 2022-11-01. https://calcivilrights.ca.gov/wp-content/uploads/sites/32/2022/11/Employment-Separation-and-Settlement-Agreements-Limitations-FAQ_ENG.pdf
  2. New California Law Restricts Use of Confidentiality Clauses and Requires New Notice Requirements for Employment Settlement Agreements — Boutin Jones Inc. 2021-10-08. https://boutinjones.com/new-california-law-restricts-use-of-confidentiality-clauses-and-requires-new-notice-requirements-for-employment-settlement-agreements/
  3. What Should Employees Know About Non-Disclosure Agreements in California? — Geonetta & Frucht, LLP. 2023-06-15. https://www.geonetta-frucht.com/blog/what-should-employees-know-about-non-disclosure-agreements-in-california/
  4. Confidentiality and Nondisclosure Agreements (California) — Faegre Drinker Biddle & Reath LLP. 2019-12-01. https://www.faegredrinker.com/-/media/files/insights_db/publications/2019/12/confidentiality-and-nondisclosure-agreements-ca-w0.pdf
  5. The (Less-Than-Golden) State of Confidentiality Provisions in California — Littler Mendelson P.C. 2020-01-14. https://www.littler.com/news-analysis/asap/less-golden-state-confidentiality-provisions-california
  6. Can California Employers Still Enforce Non-Disclosure Agreements in 2025? — Sacramento Employment Law Attorneys. 2025-01-10. https://www.sacattorneys.com/articles/can-california-employers-still-enforce-non-disclosure-agreements-in-2025/
  7. Time to Revisit Your Confidentiality Agreement — Fox Rothschild LLP. 2023-12-05. https://californiaemploymentlaw.foxrothschild.com/2023/12/articles/advice-counseling/time-to-revisit-your-confidentiality-agreement/
Sneha Tete
Sneha TeteBeauty & Lifestyle Writer
Sneha is a relationships and lifestyle writer with a strong foundation in applied linguistics and certified training in relationship coaching. She brings over five years of writing experience to waytolegal,  crafting thoughtful, research-driven content that empowers readers to build healthier relationships, boost emotional well-being, and embrace holistic living.

Read full bio of Sneha Tete