Employee Confidentiality Agreement Clauses Employers Should Review Carefully

Alex Solo
byAlex Solo12 min read

When you hire employees, you open your business to the risk of sensitive information leaving your control. Whether you are a startup founder, a small business owner, or an operator building your team, you need to protect trade secrets, customer lists, product plans, and other confidential data. Many US businesses use employee confidentiality agreements for this purpose. However, simply downloading a template or copying another company's agreement can leave critical gaps. Common mistakes include missing key clauses, using language that is too broad or outdated, or failing to update agreements to reflect new laws or state-specific requirements. This guide answers what an employee confidentiality agreement should cover, which clauses project most, and how to avoid common pitfalls when protecting your company's confidential information.

What Is an Employee Confidentiality Agreement?

An employee confidentiality agreement (sometimes called a non-disclosure agreement or NDA) is a contract between an employer and an employee. It sets out what information the employee must keep confidential, how they may use it, and what happens if they breach the agreement. These agreements are especially important for startups, tech companies, and any business with proprietary information, unique processes, or valuable customer data. For example, a SaaS startup may want to prevent employees from sharing source code or customer onboarding materials with competitors.

At the federal level, there is no single law requiring confidentiality agreements. However, federal law does protect certain types of information, such as trade secrets under the Defend Trade Secrets Act (DTSA). State laws can add further requirements or restrictions, and some states limit or restrict certain confidentiality clauses, especially those that might impact an employee's right to work or report illegal activity. For example, California law generally voids agreements that restrict an employee's ability to work elsewhere or report wrongdoing.

Employers should ensure their agreements comply with both federal and state law, and that they are tailored to their specific business needs. Using a generic template may not provide adequate protection and can even create legal risks. Consulting with an employment law professional can help ensure your contracts are up to date and enforceable.

Key Clauses to Include in an Employee Confidentiality Agreement

Not all confidentiality agreements are created equal. To be effective, your agreement should include clear, specific clauses that address the types of information you need to protect and how that information can be used. Here are the most important clauses to review and tailor for your business:

  • Definition of Confidential Information: Clearly define what information is considered confidential. This can include business plans, customer data, source code, marketing strategies, pricing, supplier lists, and more. For example, a retail startup might specify that supplier contracts and pricing models are confidential. Be as specific as possible to avoid disputes later.
  • Obligations of the Employee: State what the employee must do to protect confidential information. This usually includes not disclosing, copying, or using the information for any purpose other than their job duties. For example, an employee should not email confidential files to their personal account or discuss trade secrets with friends.
  • Exclusions from Confidentiality: Specify what is not covered by the agreement, such as information that is already public, information the employee already knew, or information disclosed by a third party without breach of any obligation. For example, if a marketing strategy is announced publicly, it is no longer confidential.
  • Duration of Confidentiality: Indicate how long the confidentiality obligations last. Some information may need to be protected indefinitely, while other information may only need protection for a set period after employment ends. For example, customer lists might be protected for two years, while trade secrets are protected indefinitely.
  • Return or Destruction of Information: Require employees to return or destroy confidential information when their employment ends or upon request. This is especially important for digital files and remote workers. For example, an employee leaving a remote sales role should delete all customer spreadsheets from their personal devices.
  • Remedies for Breach: Explain what happens if the employee breaches the agreement, including possible legal action, damages, or injunctive relief. For example, if an employee shares your product roadmap with a competitor, you may seek a court order to stop further disclosure and recover losses.
  • State Law and Venue: Identify which state's law will govern the agreement and where disputes will be resolved. This is especially important for remote teams or businesses operating in multiple states. For example, a Delaware-incorporated startup with employees in Texas and New York should specify which state's law applies.

Reviewing these clauses carefully and updating them as your business grows is essential. For instance, if you expand into a new state or industry, you may need to revise your agreement to comply with new rules or address new types of confidential information. Having a contracts specialist review your employee confidentiality agreement can help you avoid common mistakes.

Common Mistakes Employers Make With Confidentiality Agreements

Many startups and small businesses make avoidable mistakes with employee confidentiality agreements. Here are some of the most common pitfalls and how to avoid them:

  • Using a one-size-fits-all template: Every business has different confidential information and risks. Using a generic agreement may leave gaps in protection or include unenforceable clauses. For example, a healthcare startup using a generic NDA might fail to address HIPAA requirements for patient data.
  • Failing to update agreements for new laws: State and federal laws change frequently, especially regarding employee rights and whistleblower protections. Agreements should be reviewed regularly to help support compliance. For example, recent changes in Illinois law require specific language for confidentiality agreements signed at the start of employment.
  • Overbroad definitions: Defining confidential information too broadly can make the agreement unenforceable in some states. Courts may refuse to enforce agreements that are vague or overly restrictive. For example, a clause that defines all information as confidential, even public knowledge, may not hold up in court.
  • Not addressing remote work: With more employees working remotely, agreements should cover how confidential information is accessed, stored, and transmitted outside the office. For example, requiring employees to use company-approved devices and secure networks can help prevent data leaks.
  • Ignoring state-specific rules: Some states, like California, have strict limits on what can be protected and how long confidentiality obligations can last. Failing to account for these differences can invalidate your agreement. For example, including a non-compete clause in a California agreement can void the entire contract.
  • Not having employees sign the agreement: It sounds obvious, but failing to get a signed agreement is a common mistake. Make sure all employees sign before they have access to sensitive information. For example, onboarding checklists should include signed confidentiality agreements before granting access to company systems.
  • Not distinguishing between employees and contractors: The obligations and enforceability of confidentiality agreements can differ between employees and independent contractors. For example, the IRS and Department of Labor have specific guidance on worker classification, and misclassifying a worker can lead to penalties and unenforceable agreements.
  • Failing to include required whistleblower language: Under the DTSA, agreements must notify employees of their right to report suspected violations to government agencies. Omitting this can limit your ability to enforce the agreement in federal court.

For example, a startup founder in Texas might use a template found online, only to discover later that it does not comply with Texas law or fails to protect their unique business processes. Or, a company with employees in California may include non-disparagement or non-compete language that is unenforceable under state law. Seeking guidance from an employment law attorney can help you avoid these issues.

Another common scenario is failing to update agreements when your business expands into new states. Each state may have unique requirements or restrictions, so what works in New York may not work in Florida or Illinois. Regularly reviewing your agreements is critical as your team grows or your operations change.

Federal and State Law: What Employers Need to Know

While federal law provides a baseline for protecting trade secrets, most rules about employee confidentiality agreements are set at the state level. Here are some key points to consider:

  • Defend Trade Secrets Act (DTSA): This federal law allows employers to sue in federal court if an employee misappropriates trade secrets. However, to take advantage of certain remedies, your agreement must include specific language about whistleblower immunity. For example, if your NDA does not notify employees of their right to report suspected violations, you may lose access to exemplary damages or attorney fees under the DTSA.
  • State trade secret laws: Most states have adopted some version of the Uniform Trade Secrets Act (UTSA), but there are differences in how courts interpret these laws. Some states are more protective of employee mobility and may limit the scope of confidentiality agreements. For example, California courts often refuse to enforce agreements that restrict an employee's ability to use general skills and knowledge.
  • Whistleblower protections: Both federal and state laws protect employees who report illegal activity or violations of law. Confidentiality agreements cannot prevent employees from reporting misconduct to government agencies or participating in investigations. For example, an agreement that attempts to silence employees from reporting wage theft to the Department of Labor would be unenforceable.
  • Limits on non-disparagement and non-compete clauses: Some states, such as California, prohibit non-compete agreements and limit non-disparagement clauses. Including these in a confidentiality agreement can make the entire agreement unenforceable. For example, a New York employer including a non-compete in a confidentiality agreement must ensure it is reasonable in scope and duration, or risk the clause being struck down.
  • State-specific notice requirements: Certain states require specific disclosures or language in confidentiality agreements, especially for agreements signed at the start of employment versus after employment has begun. For example, Illinois requires employers to provide notice and consideration for confidentiality agreements signed after employment starts.
  • Worker classification and enforceability: The IRS and Department of Labor have guidance on distinguishing employees from independent contractors. If you misclassify a worker, your confidentiality agreement may not be enforceable, and you could face penalties. For example, treating a contractor like an employee by controlling their work hours or methods can trigger legal scrutiny.

Employers should also be aware of industry-specific regulations. For example, healthcare businesses must comply with HIPAA, and financial services firms may have additional confidentiality requirements under federal and state law. Always check your state's labor agency website or consult with a qualified attorney to ensure your agreement meets local requirements. For example, New York, Illinois, and Massachusetts each have unique rules about what can be included in employee confidentiality agreements. Reviewing your contracts regularly is key to staying compliant.

Consider a scenario where a SaaS startup expands from Texas into California and New York. The founder must review and update confidentiality agreements to comply with each state's unique rules. In California, the agreement cannot include non-compete language, and in New York, the agreement must be reasonable in duration and scope to be enforceable. Failing to update the agreement could result in losing the ability to protect trade secrets or enforce remedies in court.

Checklist: Reviewing and Updating Your Employee Confidentiality Agreement

To reduce legal risk and protect your business, use this checklist to review your employee confidentiality agreement:

  • Does the agreement clearly define what is considered confidential information, with examples relevant to your business?
  • Are the employee's obligations to protect and not misuse confidential information spelled out in plain language?
  • Does the agreement specify what is excluded from confidentiality, such as public information or information the employee already knew?
  • Is the duration of confidentiality reasonable and compliant with state law? For example, is indefinite protection reserved for true trade secrets?
  • Are return or destruction of information procedures included, especially for digital files and remote workers?
  • Does the agreement include required whistleblower immunity language under the DTSA?
  • Is the agreement free from overbroad or unenforceable clauses, such as non-competes in states where they are banned?
  • Is the governing law and venue clearly stated, and does it match where your employees work?
  • Has the agreement been updated for recent changes in federal or state law, including any notice or consideration requirements?
  • Have all employees signed the agreement before accessing confidential information, and is this tracked in your onboarding process?
  • Does the agreement distinguish between employees and contractors, and is it tailored for each group?
  • Are there provisions addressing remote work, digital security, and reporting lost or stolen devices?

In addition, consider how your agreement addresses digital security and remote access. For example, you may want to include clauses about using secure passwords, not storing company data on personal devices, and reporting lost or stolen devices immediately. A practical step is to require employees to complete security awareness training as part of onboarding and to confirm in writing that they understand their confidentiality obligations.

Regularly reviewing and updating your agreement is just as important as having one in the first place. Set a calendar reminder to review your confidentiality agreements at least once a year, or whenever you expand into a new state, launch a new product, or change your business model. For example, if your company starts collecting new types of customer data, your confidentiality agreement should be updated to reflect these changes and any new legal requirements.

Finally, keep a record of all signed agreements and any updates provided to employees. If you ever need to enforce the agreement, having a clear paper trail will make your case stronger.

FAQs

Are employee confidentiality agreements enforceable in every state?

Most states recognize employee confidentiality agreements, but the enforceability depends on how the agreement is written and state-specific rules. Some states, like California, place strict limits on confidentiality and related clauses. Agreements that are too broad or restrict lawful employee activity may not be enforceable. Always tailor your agreement to the state where the employee works. For example, an agreement that restricts an employee from using general skills and knowledge learned on the job may not be enforceable in California or Illinois.

Can a confidentiality agreement prevent an employee from reporting illegal activity?

No. Federal and state laws protect employees who report illegal activity, discrimination, harassment, or other violations. Confidentiality agreements cannot override whistleblower protections. In fact, under the Defend Trade Secrets Act, agreements must include language notifying employees of their right to report suspected violations to government agencies. For example, an employee who reports wage theft to the Department of Labor is protected, even if they signed a confidentiality agreement.

What happens if an employee breaches a confidentiality agreement?

If an employee breaches a confidentiality agreement, the employer may be able to seek remedies such as damages, an injunction to stop further disclosure, or other legal relief. The specific remedies depend on the agreement and state law. Some breaches may also be covered by federal trade secret laws, allowing employers to sue in federal court. For example, if an employee shares your proprietary source code with a competitor, you may be able to seek a court order to stop the use of that code and recover financial losses.

Do confidentiality agreements apply to independent contractors?

Yes, but the agreement should be tailored for contractors. Be careful with worker classification: using the same agreement for employees and contractors can create confusion and legal risk. The IRS and Department of Labor have specific guidance on worker classification, and misclassification can result in penalties. For example, a contractor who is treated like an employee may claim employee rights, making your agreement harder to enforce.

How often should I update my employee confidentiality agreement?

Review and update your agreement at least annually, or whenever there are significant changes in federal or state law, your business operations, or the types of confidential information you handle. Regular updates help ensure your agreements remain enforceable and effective. For example, if you expand into a new state or launch a new product line, review your agreement to ensure it covers new risks and complies with local requirements.

Key Takeaways

  • Employee confidentiality agreements are a critical tool for protecting sensitive business information, but they must be carefully drafted and regularly updated for your business and state.
  • Key clauses include clear definitions of confidential information, employee obligations, exclusions, duration, remedies, and compliance with state and federal law.
  • Common mistakes include using generic templates, failing to update for new laws, ignoring state-specific requirements, and not distinguishing between employees and contractors.
  • Federal law sets a baseline, but state law often determines what is enforceable and what language is required. Industry-specific rules may also apply.
  • Employers should review agreements annually, ensure all employees and contractors sign before accessing confidential information, and keep clear records.

For tailored help reviewing or updating your employee confidentiality agreement, contact our team at (888) 449-8437 or team@sprintlaw.com. Where legal services are required, they are delivered by licensed lawyers at trusted US law firms through the Sprintlaw platform.

Alex Solo

Alex is Sprintlaw's co-founder and a legal technology leader. He holds law and media degrees from the University of Sydney and has been recognized by Australasian Lawyer, Lawyers Weekly and the Sydney Young Entrepreneur Awards for his work building Sprintlaw and improving access to business legal support.

Need legal help?

Get in touch with our team

Tell us what you need and we'll come back with a fixed-fee quote - no obligation, no surprises.

Keep reading

Related Articles

Employee Confidentiality Agreement Checklist For Small Business Employers

Employee Confidentiality Agreement Checklist For Small Business Employers

Understand how to create a strong employee confidentiality agreement for your small business. This guide covers essential clauses, state law caveats, practical examples, and key mistakes to avoid.

Jul 23, 2026
Read more
Employee Commission Agreement: State-Law Points US Employers Should Watch

Employee Commission Agreement: State-Law Points US Employers Should Watch

Employee commission agreements are more complex than they seem. This guide explains what US startups and small businesses must check for state law compliance, worker classification, and payment terms before finalizing a commission plan.

Jul 23, 2026
Read more
Employee Commission Agreement Clauses Employers Should Review Carefully

Employee Commission Agreement Clauses Employers Should Review Carefully

Employers often overlook crucial details when drafting or reviewing an employee commission agreement. This guide explains the most important clauses, state-law pitfalls, and practical steps to help US businesses avoid costly mistakes.

Jul 23, 2026
Read more
Employee Commission Agreement: Employer Issues To Check Before You Hire

Employee Commission Agreement: Employer Issues To Check Before You Hire

US startups and small businesses hiring on commission must address legal risks, worker classification, and state-specific rules. This guide explains what to include in an employee commission agreement, common mistakes, and how federal and state laws affect your obligations.

Jul 22, 2026
Read more
Contractor Classification Review: What US Employers Should Check Before Signing

Contractor Classification Review: What US Employers Should Check Before Signing

Misclassifying workers as independent contractors can lead to serious legal and financial risks for US businesses. This article explains what a contractor classification review involves, the key legal tests, and what employers should check before engaging a contractor.

Jul 22, 2026
Read more
Contractor Classification Review: Common Risk Points For Startups And SMBs

Contractor Classification Review: Common Risk Points For Startups And SMBs

Misclassifying independent contractors is a high-stakes risk for US startups and small businesses. This guide explains the contractor classification review process, highlights state-law pitfalls, and offers practical steps to help employers reduce exposure.

Jul 22, 2026
Read more
Need support?

Need help with your business legals?

Speak with Sprintlaw to get practical legal support and fixed-fee options tailored to your business.