NDA

A non-disclosure agreement (NDA) is a legally binding contract in which one or more parties agree to keep specified information confidential. It prevents the receiving party from sharing or using protected information outside the scope defined in the agreement. If a party breaches the terms, the disclosing party may seek legal remedies, including injunctive relief or monetary damages.

How an NDA works

When a party signs an NDA, they accept defined restrictions on how they may use or share covered information. A standard NDA includes:

• Definition of confidential information. Specifies exactly what is protected
• Obligations of the receiving party. States what the recipient can and cannot do with the information
• Duration. Sets the time period during which confidentiality obligations apply
• Exclusions. Identifies information outside the agreement's protections, such as information already in the public domain
• Consequences of breach. Outlines available legal remedies

All parties must sign the agreement for it to be enforceable.

Unilateral vs. mutual NDAs

Unilateral (one-way): Only one party discloses confidential information, and only the receiving party is bound. Common in employment and contractor arrangements.

Mutual (two-way): Both parties share confidential information and are bound by the same restrictions. Typical in joint ventures or merger discussions.

Common uses

NDAs appear across a wide range of business contexts:

• Hiring employees or contractors. Prevent workers from sharing trade secrets, client lists, or proprietary methods with competitors
• Business negotiations. Allows candid information sharing before a partnership, acquisition, or licensing deal
• Investor pitches. Protects financials, product roadmaps, or business strategies shared with potential investors
• Product development. Covers unreleased products, software, or creative work shared with outside developers or consultants

Limitations and best practices

An NDA is only as effective as its drafting. Vague definitions of "confidential information" can make the agreement difficult to enforce, and courts may decline to enforce provisions that are unreasonably broad or that attempt to protect publicly known information.

Key considerations:

• Be specific. Clearly define what information is covered rather than using broad, catch-all language.
• Set a realistic duration. Perpetual confidentiality obligations are harder to enforce than time-limited ones, except for genuine trade secrets.
• Identify exclusions. Standard exclusions include information the recipient already knew, independently developed, or that becomes public through no fault of the recipient.
• Ensure proper execution. An unsigned NDA offers no legal protection.

An attorney can draft or review an NDA to ensure it is enforceable and suited to the specific relationship or transaction.

NDA vs. non-compete agreement

An NDA restricts what information a party can share; it does not prevent them from working for a competitor. A non-compete agreement restricts where or for whom a party can work after leaving a business relationship. The two are often used together but address separate legal concerns.

Related terms

• Operating agreement for an LLC: An LLC's operating agreement may include confidentiality provisions that function similarly to an NDA for members and managers.
• Legal notice: Formal written communications that may be required when an NDA is breached.

FAQs about an NDA

Do NDAs hold up in court?

Courts generally enforce NDAs when the agreement is properly signed, the scope of confidential information is clearly defined, and the terms are reasonable in duration and breadth. Overly broad agreements or those covering publicly known information are more likely to be challenged.

What voids an NDA?

Common grounds include disclosing protected information before the agreement is signed, failing to obtain all required signatures, or including terms that violate public policy, such as provisions that prevent employees from disclosing allegations of workplace harassment.

Can an NDA prevent someone from reporting illegal activity?

No. Federal law and the public policy of most states prohibit NDAs from silencing whistleblowers or suppressing disclosures of fraud, criminal conduct, or regulatory violations. A provision attempting to restrict those disclosures is generally void even if the rest of the agreement remains enforceable.

Is a confidentiality agreement the same as an NDA?

Yes. Confidentiality agreement, non-disclosure agreement, and proprietary information agreement are used interchangeably. The label does not change the legal effect; what matters is whether the terms create a clear, enforceable confidentiality obligation.