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.
Startups and small businesses often need to share confidential information with investors, partners, contractors, or suppliers. Protecting this information is critical, but many founders make mistakes when using a one-way non-disclosure agreement (NDA). Common issues include using generic templates, missing key terms, or misunderstanding the agreement's limits. This guide explains what a one-way NDA is, what to check before signing, how state law can affect your agreement, and practical steps to avoid costly mistakes.
What Is a One-Way Non-Disclosure Agreement?
A one-way non-disclosure agreement is a contract where one party (the disclosing party) shares confidential information with another party (the recipient), and only the recipient is obligated to keep that information confidential. This is different from a mutual NDA, where both parties exchange confidential information and both are bound by confidentiality obligations.
One-way NDAs are common for startups and small businesses when pitching ideas, sharing business plans, or disclosing proprietary information to investors, contractors, or potential partners who are not expected to share their own confidential information. The main goal is to prevent the recipient from using or disclosing your sensitive information without permission.
There is no single federal law governing NDAs. Instead, these agreements are enforced under state contract law. Some states have specific rules about what can and cannot be included in an NDA, especially around trade secrets and employment. Always consider both the federal baseline and your state's requirements.
Example: A founder in Texas wants to show their business plan to a potential investor. They use a one-way NDA to ensure the investor cannot share or use the plan without permission. In California, a startup sharing a new app prototype with a developer will also use a one-way NDA, but must be careful to comply with California's rules on what counts as confidential.
Key Terms to Check in a One-Way NDA
Before signing or sending a one-way NDA, review these key terms:
- Definition of Confidential Information: The agreement should clearly define what is confidential. Vague or overly broad definitions can lead to disputes. For example, does it cover oral disclosures, written materials, business plans, source code, customer lists, or only information marked as confidential?
- Obligations of the Recipient: The NDA should state exactly what the recipient must do to protect your information. This usually includes not disclosing or using the information for any purpose other than the agreed business purpose.
- Exclusions: Most NDAs exclude information that is already public, already known to the recipient, independently developed, or required to be disclosed by law or court order. Check these carve-outs carefully.
- Term and Duration: How long does the confidentiality obligation last? Some NDAs set a fixed period (such as two or five years), while others last indefinitely for trade secrets. Make sure the term fits the value and sensitivity of your information.
- Permitted Disclosures: Can the recipient share your information with employees, advisors, or affiliates? If so, the NDA should require those people to be bound by similar confidentiality obligations.
- Return or Destruction of Information: What happens to your information at the end of the relationship? The NDA should require the recipient to return or destroy all copies of your confidential information upon request or at the end of the agreement.
- Remedies and Liability: What happens if the recipient breaches the NDA? Some agreements include specific remedies, such as injunctive relief (a court order to stop disclosure) or damages. Check for any limitations on liability or caps on damages.
- Governing Law and Jurisdiction: Which state's law applies, and where will disputes be resolved? This is especially important if the parties are in different states, as state laws on NDAs can vary.
Reviewing these terms carefully can help prevent misunderstandings and protect your business's interests. If you need help reviewing or drafting a one-way NDA, consider seeking professional assistance.
Example: A Florida startup includes a clause that allows the recipient to share information with their legal counsel, but only if the counsel agrees to the same confidentiality terms. This ensures the information is still protected if legal advice is needed.
Common Mistakes With One-Way NDAs
Startups and small businesses often make mistakes when using one-way NDAs. Here are some of the most common:
- Using a generic template without customization: Not all NDAs are created equal. Using a template from the internet without tailoring it to your situation can leave gaps or create unenforceable terms.
- Failing to define confidential information clearly: If the NDA does not specify what is confidential, it may be difficult to enforce. Be as specific as possible.
- Overly broad or restrictive terms: Some NDAs try to cover everything, including information that is not truly confidential or that the recipient already knows. Courts may refuse to enforce NDAs that are too broad.
- Ignoring state law differences: State contract law can affect what is enforceable in an NDA. For example, California law limits NDAs that restrict employee mobility or cover information that is not a trade secret.
- Not considering practical enforcement: Even with a well-drafted NDA, enforcing it can be costly and time-consuming. Think about whether the other party has assets or is located in a state where you can realistically enforce a judgment.
- Missing the business context: Sometimes, the relationship is more important than strict enforcement. Consider whether asking for an NDA is appropriate for the stage of the relationship, or if it might signal mistrust.
Example: A founder downloads a free NDA template online and sends it to a potential partner. The template does not define what information is confidential, and the partner later argues that the information shared was not covered. The founder has little recourse because the NDA was too vague.
Checklist: What to Review Before Signing or Sending a One-Way NDA
Use this checklist to review your one-way NDA before you sign or send it to another party:
- Is the disclosing party and recipient clearly identified?
- Does the NDA define confidential information in a way that covers what you need to protect?
- Are there clear exclusions for information that is public, already known, or independently developed?
- Does the NDA specify the purpose for which the information can be used?
- Are the recipient's obligations clear and reasonable?
- Is there a time limit for the confidentiality obligations, and does it fit your needs?
- Does the NDA address what happens to your information at the end of the relationship (return or destruction)?
- Are there remedies for breach, such as injunctive relief or damages?
- Is the governing law and jurisdiction specified, and is it a state where you are comfortable resolving disputes?
- Have you reviewed the NDA for state-specific requirements or restrictions?
- Is the NDA signed by an authorized person from each party?
Checking each of these points can help you avoid common pitfalls and ensure your NDA is fit for purpose.
Example: A New York business owner double-checks that the NDA is signed by a company officer, not just a junior employee, to ensure it is enforceable if needed.
How State Law Can Affect Your NDA
NDAs are generally governed by state contract law, not federal law. This means the enforceability and interpretation of your NDA can vary depending on which state's law applies. Here are some key state-specific issues to consider:
- California: California law is known for limiting NDAs in the employment context, especially regarding employee mobility and information that is not a trade secret. NDAs that attempt to restrict an employee's ability to work in their field may be unenforceable.
- New York: New York courts typically enforce NDAs as written, but they may refuse to enforce overly broad or vague agreements. Clear definitions and reasonable terms are important.
- Texas: Texas law generally enforces NDAs, but the agreement must be reasonable in scope and duration. Overly broad NDAs may be limited by a court.
- Illinois: Illinois has adopted the Uniform Trade Secrets Act, which affects how trade secrets are protected under NDAs. NDAs that go beyond trade secrets may face additional scrutiny.
In any state, courts may refuse to enforce NDAs that are against public policy, too broad, or unclear. It is important to specify which state's law will govern your NDA and to review any state-specific requirements or limitations.
If you are dealing with parties in multiple states, consider which jurisdiction is most favorable for your business and whether you can realistically enforce the NDA there. In some cases, you may want to seek legal advice to ensure your NDA is enforceable in the relevant states.
Example: A startup in Illinois wants to protect both trade secrets and general business information. The NDA is reviewed to ensure that it complies with the Illinois Uniform Trade Secrets Act and does not overreach in ways that could make it unenforceable.
When to Seek Legal Review of Your NDA
While many startups and small businesses use NDA templates, there are situations where a legal review is strongly recommended:
- You are sharing highly sensitive information, such as proprietary technology, source code, or detailed business plans.
- The other party is located in a different state or country.
- The NDA includes unusual terms, such as non-compete clauses, non-solicitation clauses, or broad indemnities.
- You are unsure about the scope, duration, or enforceability of the NDA under your state's law.
- The NDA will be used with multiple parties or in a high-value transaction.
Legal review can help identify issues, clarify obligations, and reduce the risk of unenforceable or problematic terms. Even if you use a template, having an attorney review your NDA can help ensure it is tailored to your needs and the laws of your state.
Example: A California SaaS startup plans to share its codebase with a potential acquirer. Because California law has strict limits on what can be protected, the founder has an attorney review the NDA to ensure it covers trade secrets and complies with state law.
FAQs
What is the difference between a one-way NDA and a mutual NDA?
A one-way NDA only requires the recipient to keep information confidential, while a mutual NDA requires both parties to protect each other's confidential information. Use a one-way NDA when only one party is disclosing sensitive information, and a mutual NDA when both parties will be sharing confidential details.
Can I use a one-way NDA for employee or contractor relationships?
Yes, but be aware that some states limit the enforceability of NDAs in employment contexts, especially regarding information that is not a trade secret. Always tailor the NDA to the specific relationship and check for state-specific rules, especially in states like California.
How long should confidentiality obligations last in a one-way NDA?
The duration depends on the nature of the information. For most business information, a period of two to five years is common. For trade secrets, confidentiality may last as long as the information remains a trade secret. Make sure the term is reasonable and clearly stated in the agreement.
What happens if someone breaches a one-way NDA?
If the recipient breaches the NDA, the disclosing party can seek remedies such as injunctive relief (a court order to stop disclosure) or monetary damages. The specific remedies available depend on the terms of the NDA and the governing state law. Enforcing an NDA can be costly, so consider the practical realities before relying solely on legal remedies.
Do I need to notarize a one-way NDA?
No, notarization is not usually required for a one-way NDA to be enforceable. However, both parties should sign the agreement, and it is good practice to keep a signed copy for your records.
Key Takeaways
- A one-way non-disclosure agreement can help protect your business's confidential information when sharing it with others.
- Review the NDA's key terms, including the definition of confidential information, exclusions, obligations, remedies, and governing law.
- State law can affect what is enforceable in your NDA, so always check for state-specific rules or restrictions.
- Common mistakes include using generic templates, failing to define confidential information, and ignoring state law differences.
- Consider legal review if the NDA involves sensitive information, unusual terms, or parties in different states.
If you have questions about a one-way non-disclosure agreement or need help reviewing or drafting an NDA for your business, 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.








