When an employee leaves and takes company files, the business may face immediate risk. Those files may include customer lists, pricing data, source code, vendor terms, marketing plans, financial records, product designs, employee information, or internal strategy documents. Some of that information may be ordinary business material. Some may qualify as trade secrets. The legal options depend on what was taken, how it was taken, how the business protected it, and whether the former employee used or disclosed it.
Jafari Law Group works with California businesses and intellectual property owners facing employee departure disputes, trade secret concerns, and business litigation. When company information leaves with a former employee, early action can help preserve evidence, limit harm, and clarify the available claims.
Start With the Facts: What Was Taken?
The first question is not always whether the former employee acted unfairly. It is what information they took and whether the business can prove it.
A company should identify the files, devices, accounts, downloads, emails, cloud transfers, print activity, and outside storage locations involved. Useful evidence may include login records, file access logs, USB activity, forwarding records, personal email activity, screenshots, text messages, customer communications, and exit interview materials.
A business should avoid overreaching. Not every file is legally protected in the same way. A publicly available brochure, a general skills checklist, or a contact name that can be found online may receive less protection than a confidential customer database, proprietary design file, or pricing model kept behind access controls.
When Company Files May Be Trade Secrets
California’s Uniform Trade Secrets Act protects information that has independent economic value from not being generally known and is subject to reasonable efforts to maintain its secrecy. California law also defines “improper means” to include conduct such as theft, misrepresentation, breach of a duty to maintain secrecy, or other wrongful methods of acquisition.
Trade secrets can include many types of business information, such as formulas, programs, methods, techniques, processes, customer information, pricing data, product plans, source code, and internal financial material. The label “confidential” helps, but it is not enough by itself. The business should be able to show that the information was valuable because it was not generally known and that the company took reasonable steps to protect it.
Reasonable steps may include password protection, role-based access, confidentiality agreements, employee training, restricted folders, device policies, clean exit procedures, document marking, and limits on personal email or external storage use.
Legal Claims That May Apply
A former employee taking company files may lead to several potential claims, depending on the facts.
A business may have a claim for trade secret misappropriation under California law if the files qualify as trade secrets and were acquired, disclosed, or used through improper means. Under California’s trade secret statute, a plaintiff may seek damages for actual loss and unjust enrichment caused by misappropriation. If those amounts cannot be proven, a court may award a reasonable royalty in some cases.
A federal claim may also be available under the Defend Trade Secrets Act when the trade secret relates to a product or service used in, or intended for use in, interstate or foreign commerce.
Other claims may include breach of contract, breach of confidentiality agreement, breach of fiduciary duty, duty of loyalty claims, conversion, computer access claims, unfair competition, or claims against a new employer that knowingly received or used protected information. The right claims depend on the evidence, the agreements in place, and the harm to the business.
What Remedies Are Available?
The most immediate goal is often to stop further use or disclosure. A business may seek a temporary restraining order or preliminary injunction asking the court to require return or deletion of files, prevent disclosure, stop use of trade secrets, preserve devices and accounts, and limit further harm.
Under the federal Defend Trade Secrets Act, courts may grant injunctive relief and damages in appropriate cases. The statute also allows civil seizure in limited situations, though courts treat that remedy carefully because of its impact.
Money damages may include lost profits, the former employee’s or new employer’s unjust enrichment, or a reasonable royalty. In cases involving willful and malicious misappropriation, enhanced damages and attorney’s fees may be available under trade secret laws, depending on the facts and the statute involved.
California Non-Compete Limits Still Matter
California strongly protects employee mobility. Business and Professions Code section 16600 provides that, subject to statutory exceptions, contracts restraining a person from engaging in a lawful profession, trade, or business are void. California also added section 16600.5, which states that contracts void under this chapter are unenforceable regardless of where and when they were signed, and employers may not attempt to enforce void provisions.
This matters because a business usually cannot stop a former employee from working for a competitor simply because the employee learned skills, relationships, or general industry knowledge during employment. The stronger claim is often not “you cannot compete.” It is “you cannot take, use, or disclose protected company information.”
For that reason, California businesses should focus on protecting trade secrets and confidential information through lawful agreements, security practices, and careful documentation rather than relying on broad non-compete language.
Customer Lists, Pricing Data, and Internal Documents
Customer information is often at the center of former employee disputes. A customer list may qualify as a trade secret when it is not generally known, took effort to develop, includes valuable details, and was protected by the business. A simple list of publicly available names may be harder to protect.
Pricing data, margins, bid history, renewal dates, contract terms, customer preferences, and purchase history may carry stronger protection when the information is not public and gives a competitor a shortcut. The same is true for internal product roadmaps, technical drawings, unreleased marketing plans, confidential vendor terms, and financial models.
A helpful question is whether the former employee gained an unfair head start by taking the files. If the answer is yes, the business may have stronger grounds to pursue legal action.
What To Do Right Away
A company that suspects a former employee took files should act carefully. The business should preserve evidence before systems overwrite logs or access records. It should suspend or confirm termination of access to email, cloud storage, project management tools, customer databases, messaging platforms, and shared drives. It should document what was taken and when.
The company should avoid directly accessing a former employee’s personal accounts or devices without legal authority. That can create separate legal problems. Instead, counsel can help determine whether to send a preservation letter, demand return of materials, request written assurances, seek forensic review, or file suit.
A business should also consider whether customers, vendors, or employees have received communications that suggest misuse. Those communications may help show use, disclosure, or harm.
How Businesses Can Reduce Risk Before an Employee Leaves
The best time to address file misuse is before it happens. Companies should have clear confidentiality agreements, written policies on company data, limited access based on job duties, secure offboarding processes, and regular access reviews.
Exit procedures should include return of devices, confirmation that company information has not been retained, cutoff of account access, review of recent downloads or transfers when appropriate, and reminders about continuing confidentiality duties. The process should be consistent and documented.
A business that can show it protected its information is in a stronger position if a dispute later arises.
Speak With a Business Litigation Attorney
When a former employee takes company files, delay can make the problem harder to solve. Files can be copied, shared, deleted, or used before the business fully understands the scope of the issue. Early legal review can help determine whether the information is protected, what claims may apply, and what steps may reduce further harm.
Jafari Law Group represents businesses in trade secret, confidential information, employment-related, and business litigation matters. If a former employee took company files or your business suspects confidential information is being misused, contact us for a free case evaluation.