A Former Employee Took Your Customer List. What Can Your Business Do?
The New Jersey trade-secret questions and evidence that matter when customer information leaves the company.
By Peter J. Lamont, Esq.
A salesperson resigns on Friday. By Monday, customers are receiving messages from a competitor, and your office discovers that a customer list was exported shortly before the departure. That deserves prompt attention. It does not yet establish what was taken, whether the information qualifies for legal protection, or why a customer moved its business. Those questions determine what a New Jersey company can realistically ask a court to do.
The first useful step is to identify the actual information involved. A spreadsheet containing publicly available business names is different from a database containing negotiated pricing, purchasing patterns, renewal dates, and private contact preferences. Calling both documents a “customer list” can obscure the facts that matter most.
When does a customer list qualify as a trade secret?
The New Jersey Trade Secrets Act defines a trade secret in N.J.S.A. 56:15-2. The information must derive actual or potential independent economic value from not being generally known or readily ascertainable through proper means by people who could benefit from its use or disclosure. It must also be subject to reasonable efforts, under the circumstances, to maintain its secrecy. Both requirements matter.
A list does not qualify merely because the business spent time creating it. Ask what a competitor gains from the information that it could not readily obtain through proper means. A compilation may be valuable because it brings together nonpublic details about customers’ needs and buying decisions. The company should be able to describe that value with more precision than saying the file is important.
Suppose a distributor maintains an internal database showing each customer’s discount history, expected reorder date, and preferred product substitutions. That is a hypothetical example of information worth examining closely. The analysis would include whether those details are genuinely nonpublic and how they were protected. By contrast, a list copied from a public trade-association directory presents a different problem. The label on the file does not change its source.
Reasonable secrecy measures depend on the circumstances. Password protection, access limited to employees who need the information, and consistently applied confidentiality procedures can help explain how the business treated the material. They are not a mechanical checklist that guarantees protection. A company that routinely shares the same file without restrictions will need to address that history honestly.
Access for work is not the entire inquiry
An employee may have needed access to customer information to perform the job. That fact alone does not answer whether a later acquisition, disclosure, or use was improper. N.J.S.A. 56:15-2 defines misappropriation through several paths, including acquisition with knowledge or reason to know of improper means and certain unauthorized disclosures or uses. The employee’s authority, duties, and knowledge need to be considered.
The statute’s definition of improper means includes theft, misrepresentation, breach or inducement of a duty to maintain secrecy or limit use, and specified unauthorized access. Proper means include independent development and information obtained from published sources. These distinctions prevent a trade-secret claim from becoming a general objection to competition.
Read any confidentiality agreement alongside the employee’s actual responsibilities. Determine what information the agreement covers, what uses it permits, and what return obligations it contains. A contract review may identify issues separate from whether the entire list satisfies the statutory trade-secret definition. The absence of a non-compete agreement does not end the inquiry into confidential information.
Preserve evidence before cleaning up the computer
Businesses often respond to a departure by wiping the laptop so the next employee can use it. When copying is suspected, that can remove information needed to understand what happened. Arrange for preservation of relevant company records before routine deletion or reassignment. Work with counsel and qualified technical support on a process suited to the systems involved.
Useful records may include export logs, company email forwarding, access permissions, and the versions of the customer file available before the departure. Preserve relevant messages reporting customer contact as well. Keep the original records when possible and document where they came from. A screenshot may be helpful, but it may not show the surrounding activity or explain who performed an export.
Be specific about the timeline. An export during an assigned project is not the same evidence as an unexplained download immediately before resignation. Neither event should be evaluated without context. Identify who normally used the account and whether the system can reliably attribute the activity to a particular person. Shared credentials can make an apparently simple accusation much harder to prove.
Do not access a former employee’s personal accounts without lawful authority. Having a password saved on a company device does not settle that question. Counsel can help separate business records the company may preserve from material that requires a different process. An investigation should produce usable evidence without creating another dispute.
Customer departures do not prove copying by themselves
A customer may follow a salesperson because of a longstanding relationship, a lower price, or dissatisfaction with the former supplier. Those explanations do not rule out misuse of confidential information, but they should be tested. The company needs evidence connecting the protected information to the conduct being challenged. A decline in revenue is a starting point for investigation, not a substitute for that connection.
Ask customers factual, neutral questions where appropriate. Preserve the message they received and the date of the contact. Avoid pressuring them to endorse an accusation. If the competitor’s proposal repeats nonpublic pricing or details from the internal file, retain the actual proposal and explain why those details were not publicly available. That comparison may be more useful than several employees’ suspicions.
What relief might be available?
Under N.J.S.A. 56:15-3, actual or threatened misappropriation may be enjoined. A business seeking that relief must have a supported basis for the request. The court will need to understand the information at issue and the conduct it is being asked to stop. An accusation that “they took everything” is unlikely to provide the necessary clarity.
The relief requested should fit the problem. Depending on the evidence, counsel may evaluate restrictions on use or disclosure and protective steps concerning the information. For the separate procedural questions involved in urgent relief, see our discussion of preliminary injunctions and emergency applications in New Jersey. An injunction is a possible remedy, not an automatic consequence of an employee’s departure.
N.J.S.A. 56:15-4 also addresses damages, including actual loss and unjust enrichment not already included in that loss, or a reasonable royalty in the circumstances the statute describes. A damages analysis needs to distinguish proven loss from assumptions about every customer who left. Keep sales history, margins, and evidence of the particular business affected so counsel can evaluate a supportable calculation.
After the immediate issue is addressed, review who can export customer data and how departures are handled. A practical access policy that staff actually follows is more useful than a confidentiality document that no one remembers receiving.
For a New Jersey business, the strongest response begins with a clear account of what was confidential and how it left the company. The Law Offices of Peter J. Lamont handles business litigation involving disputes of this kind. Bring the relevant agreements and the available system records to that discussion. They allow counsel to assess the claim while there is still an opportunity to preserve evidence and address ongoing use.
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About Peter J. Lamont, Esq.
Peter J. Lamont is a nationally recognized attorney with significant experience in business, contract, litigation, and real estate law. With over two decades of legal practice, he has represented a wide array of businesses, including large international corporations. Peter is known for his practical legal and business advice, prioritizing efficient and cost-effective solutions for his clients.
Peter has an Avvo 10.0 Rating and has been acknowledged as one of America's Most Honored Lawyers since 2011. 201 Magazine and Lawyers of Distinction have also recognized him for being one of the top business and litigation attorneys in New Jersey. His commitment to his clients and the legal community is further evidenced by his active role as a speaker, lecturer, and published author in various legal and business publications.
As the founder of the Law Offices of Peter J. Lamont, Peter brings his Wall Street experience and client-focused approach to New Jersey, offering personalized legal services that align with each client's unique needs and goals.
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