Can an NDA claim ownership over everything an employee learns?

No. Courts consistently rule that NDAs cannot restrict an employee's general knowledge, skill, or experience gained during employment. Proprietary claims must be limited to specific, protectable trade secrets.

What information is legally exempt from NDA protection?

Information that is publicly known, independently developed, or part of an employee's general professional skill set is exempt from NDA protection.

How do courts determine if an NDA is overbroad?

Courts use a 'reasonableness' test, evaluating whether the scope of the information is narrowly defined, the duration is limited, and the restriction is necessary to protect legitimate business interests.

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Is my document data secure?

Yes. Documents are processed in memory and analysis results are stored encrypted. TermScore never shares your document data with third parties and you can delete your data at any time from your dashboard.

Are there limitations to how much proprietary information an employment NDA can claim ownership over?

Yes. An employment NDA cannot legally claim ownership over an employee’s general knowledge, skill, experience, or information that is already in the public domain. To be enforceable, proprietary claims must be narrowly tailored to specific, confidential trade secrets that provide the employer with a distinct competitive advantage.

The Legal Boundaries of Proprietary Claims

Employers often attempt to draft "catch-all" clauses to protect every piece of data an employee touches. However, courts across most jurisdictions—including California, New York, and Delaware—routinely strike down or narrow these provisions if they are deemed overbroad. The law distinguishes between "protectable trade secrets" and "general professional knowledge."

What Cannot Be Claimed as Proprietary

General Skills: Any knowledge, techniques, or methodologies that an employee acquired through their professional development or experience.
Public Domain Information: Data that is readily available to the public or industry competitors.
Independent Development: Ideas or processes that the employee developed entirely on their own time without using company resources.
Common Knowledge: Standard industry practices or information that is widely known within a specific professional field.

Key takeaway: If an NDA prevents you from performing your job at a future employer by claiming your "general skill set" as proprietary, that clause is likely unenforceable.

Action Item: Review your current NDA for phrases like "all information learned during employment." If you see this, flag it as a potential overreach that lacks the necessary specificity required by law.

Criteria for Enforceable Proprietary Definitions

For a court to uphold a claim of proprietary ownership, the information must meet specific legal thresholds. The following table outlines the difference between enforceable and unenforceable definitions.

Category	Enforceable Definition	Unenforceable Definition
Scope	Specific algorithms, customer lists, or proprietary formulas.	"Any and all information learned during the term of employment."
Duration	Defined period (e.g., 2 years) or "as long as it remains a trade secret."	"In perpetuity" for non-trade secret information.
Necessity	Directly tied to protecting a competitive business advantage.	Used to prevent competition or restrict employee mobility.

The "Reasonableness" Test

Courts apply a reasonableness test to determine if an NDA is valid. They look at three primary factors:

Legitimate Business Interest: Does the employer actually have a secret to protect, or are they just trying to stop you from working for a competitor?
Narrow Tailoring: Is the definition of "proprietary" limited to specific, identifiable assets?
Public Policy: Does the restriction violate the employee's right to earn a living in their chosen profession?

Action Item: Ensure that your contract includes a "severability clause." This allows a court to strike out an overbroad definition of proprietary information while keeping the rest of the agreement intact.

Jurisdictional Variations

It is critical to understand that state laws vary significantly regarding the enforcement of NDAs. For instance, California Business and Professions Code Section 16600 creates a strong public policy against restraints on trade, making it very difficult for employers to enforce overly broad NDAs. Conversely, other states may allow for broader "blue-penciling," where a judge can rewrite an overbroad contract to make it enforceable.

California: Extremely restrictive; NDAs cannot be used to prevent an employee from using their general knowledge.
New York: Focuses on the "reasonableness" of the scope and duration.
Delaware: Often favors the employer's freedom of contract, provided the proprietary information is clearly defined.

Key takeaway: Always check the "Governing Law" section of your contract. The state law that applies to your agreement dictates how strictly your NDA will be interpreted.

Action Item: If you are working across state lines, verify which state's laws govern your NDA. A clause that is enforceable in one state may be void in another.

How TermScore Simplifies Contract Analysis

Navigating the complexities of proprietary information clauses is difficult without legal expertise. TermScore uses advanced AI to instantly scan your employment agreements, identifying overbroad definitions and flagging clauses that may violate your rights or standard legal protections. By providing an objective analysis of your contract's language, TermScore helps you understand exactly what you are signing before you commit.