Plain English Explanation
This clause is the foundation of your entire NDA. It defines exactly what information is protected by the agreement. Think of it as drawing a circle around what counts as "confidential" - everything inside the circle is protected, everything outside is fair game.
The definition can be broad (everything disclosed is confidential) or narrow (only specifically marked documents are confidential). The breadth of this definition directly impacts how much protection the disclosing party gets and how much burden the receiving party bears.
Why It Matters
For the Disclosing Party: A broader definition means more protection. You want to capture trade secrets, business plans, customer lists, technical specifications, and anything else valuable that you might share.
For the Receiving Party: A narrower definition means less compliance burden. Overly broad definitions can make it nearly impossible to do business, as you'd need to treat every conversation and email as top secret.
For Both Parties: An unclear or overbroad definition can make the entire NDA unenforceable. Courts have struck down NDAs where the definition was so vague that a reasonable person couldn't know what was protected.
Risk Factors
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Overbroad definitions - Phrases like "all information of any kind" or "anything disclosed" are often unenforceable and create compliance nightmares.
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No marking requirement - If oral information counts without follow-up written confirmation, proving what was disclosed becomes he-said-she-said.
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Catch-all language - "Including but not limited to" followed by vague categories can expand scope unpredictably.
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No exclusions referenced - A definition without corresponding exclusions for public information, prior knowledge, etc., is a red flag.
Clause Versions
"Confidential Information" means any non-public information disclosed by one party (the "Disclosing Party") to the other party (the "Receiving Party"), whether orally, in writing, or in any other form, that is designated as confidential or that reasonably should be understood to be confidential given the nature of the information and the circumstances of disclosure. Confidential Information includes, but is not limited to: (a) trade secrets, inventions, ideas, processes, formulas, source code, and software; (b) business and marketing plans, financial information, and projections; (c) customer lists, supplier information, and pricing data; (d) technical specifications, designs, drawings, and prototypes; and (e) any other information that provides a competitive advantage. For oral disclosures to be considered Confidential Information, the Disclosing Party must identify the information as confidential at the time of disclosure and confirm such designation in writing within thirty (30) days thereafter.
"Confidential Information" means all information, in any form whatsoever, disclosed by or on behalf of the Disclosing Party to the Receiving Party, or to which the Receiving Party gains access in connection with this Agreement or the Purpose, including without limitation: (a) all trade secrets, know-how, inventions, techniques, processes, algorithms, software, source code, object code, and technical data; (b) all business information, including business plans, strategies, methods, practices, pricing, financial data, forecasts, personnel information, and customer and supplier lists; (c) all product information, including specifications, designs, prototypes, samples, and manufacturing processes; (d) all marketing information, including market research, marketing plans, and competitive analyses; (e) all information concerning the Disclosing Party's relationships with third parties; and (f) any other information that has commercial value or that the Disclosing Party treats as confidential. Confidential Information shall include information disclosed orally, visually, or in writing, and shall not require marking or other designation to be protected hereunder. All information disclosed in connection with this Agreement shall be presumed to be Confidential Information unless expressly stated otherwise in writing by the Disclosing Party.
"Confidential Information" means only that information which: (a) is disclosed in writing or other tangible form and is clearly marked "Confidential," "Proprietary," or with a similar legend at the time of disclosure; or (b) is disclosed orally and is identified as confidential at the time of disclosure, provided that such oral disclosure is summarized in writing, marked as confidential, and delivered to the Receiving Party within ten (10) business days of the oral disclosure. Information that is not marked or confirmed in accordance with the foregoing shall not be considered Confidential Information, regardless of its nature or the circumstances of disclosure. The Receiving Party shall have no obligation to treat as confidential any information that does not comply with the marking requirements set forth herein.
Negotiation Tips
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1
Push for specificity over breadth. Instead of "all information," negotiate for specific categories that match what will actually be disclosed. This creates clarity for both sides.
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2
Negotiate the marking requirement timeframe. If oral disclosures require written confirmation, 30 days is reasonable. Shorter periods (10 days) favor the receiving party; longer periods (60 days) favor the disclosing party.
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3
Remove "reasonably should be understood" if possible. This subjective standard creates uncertainty. Either something is marked confidential or it isn't.
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4
Ensure exclusions are included. A definition clause without corresponding exclusions for public information, prior knowledge, and independent development is incomplete and one-sided.
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5
Consider the practical implications. Will employees actually be able to mark everything correctly? If compliance is unrealistic, the NDA may be unenforceable or ignored.