What makes an NDA definition of proprietary information overly broad?

An NDA is overly broad if it fails to distinguish between confidential trade secrets and general industry knowledge, lacks specific categories of information, or fails to exclude publicly available data and independent developments.

Can an NDA cover everything I say?

No. Courts generally refuse to enforce NDAs that attempt to classify all information shared between parties as confidential, as this prevents employees or contractors from utilizing their general skills and experience.

How do I fix an overly broad NDA definition?

You should negotiate for specific exclusions, such as information already known to the public, information independently developed, and information received from third parties without a breach of duty.

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How to tell if an NDA's definition of proprietary information is legally overly broad?

An NDA's definition of proprietary information is legally overly broad if it fails to distinguish between protectable trade secrets and general industry knowledge. If the definition includes all information shared without specific exclusions for public domain data or independent work, it is likely unenforceable in most jurisdictions.

The Anatomy of an Overly Broad Definition

A well-drafted NDA defines "Proprietary Information" with precision. An overly broad definition acts as a "catch-all" that stifles your ability to work in your field after the contract ends. Courts in states like California (under Business and Professions Code Section 16600) are particularly hostile toward overly broad confidentiality clauses that function as de facto non-compete agreements.

Red Flags in Definition Clauses

Lack of Specificity: Using phrases like "any and all information disclosed" without categorization.
Absence of Tangibility: Failing to require that oral disclosures be summarized in writing within a set timeframe (e.g., 30 days).
Missing Exclusions: Failure to explicitly exclude information that is already public or independently developed.
Infinite Scope: Covering information that is common knowledge within the industry.

Key takeaway: If the definition of "Confidential Information" does not allow you to use your general skills, knowledge, and experience acquired prior to or during the engagement, it is likely an illegal restraint on trade.

Action Item: Audit your current NDA for the phrase "any and all information." If found, replace it with a list of specific categories such as "source code," "customer lists," and "financial projections."

Comparing Reasonable vs. Overly Broad Definitions

Feature	Reasonable Definition	Overly Broad Definition
Scope	Limited to specific trade secrets	Includes "all information disclosed"
Public Domain	Explicitly excluded	Not mentioned
Oral Disclosure	Requires written summary	Covered immediately upon speaking
Duration	Defined (e.g., 2-5 years)	Perpetual

The Legal Consequences of Overbreadth

When a definition is too broad, the entire confidentiality clause—or even the entire contract—may be rendered void. In many jurisdictions, courts will not "blue-pencil" or rewrite an overly broad contract to make it reasonable; they will simply strike it down. This leaves the disclosing party with zero protection, as the court views the attempt to overreach as bad faith.

Jurisdictional Nuances

California: Extremely strict. Broad definitions are often viewed as violations of public policy regarding employee mobility.
New York: More flexible, but still requires that the information be a legitimate trade secret to warrant protection.
Delaware: Focuses on the "reasonableness" of the scope relative to the business interest being protected.

Action Item: Check the governing law clause in your agreement. If the contract is governed by a state with high employee-protection standards, you have more leverage to strike broad definitions.

How to Negotiate Better Terms

When you encounter an overly broad definition, you must propose specific "carve-outs." These are the standard industry protections that ensure you are not being silenced for knowing how to do your job.

Essential Carve-outs to Demand

Public Knowledge: Information that is or becomes part of the public domain through no fault of the receiving party.
Independent Development: Information developed independently without reference to the disclosing party's proprietary data.
Third-Party Disclosure: Information received from a third party who has the legal right to disclose it.
Legal Compulsion: Information required to be disclosed by law or court order (provided notice is given to the disclosing party).

Key takeaway: Always insist on a "Residuals Clause" if you are a consultant or developer. This allows you to retain the general ideas and concepts in your unaided memory, preventing the NDA from effectively banning you from your profession.

Action Item: Add a "Residuals Clause" to your next contract review to ensure you can use the "mental residue" of your work in future projects.

Automating Your Contract Review

Manually identifying overly broad definitions is time-consuming and prone to human error. TermScore uses advanced AI to instantly scan your NDAs against thousands of legal precedents, flagging overly broad definitions and suggesting specific, court-tested language to bring your contracts into compliance. By automating this analysis, you ensure your agreements are both protective and enforceable without the high cost of manual legal review.