North Carolina
North Carolina Trade Secret Laws: Trade Secrets Protection Act, Remedies & Deadlines

North Carolina's Trade Secrets Protection Act, N.C. Gen. Stat. §§ 66-152 to 66-157, enacted in 1981, provides civil remedies for trade secret misappropriation under the state's own legislative framework. The Uniform Law Commission does not classify North Carolina's Act as a formal adoption of the model Uniform Trade Secrets Act; North Carolina's statute predates the finalized UTSA and follows its own structure. Civil claims must be filed within three years of discovery under § 66-157.
This guide is part of our Trade Secret Laws by State series.
Information last verified on 2026-06-25. This article presents general legal information, not legal advice. For a nationwide overview, see Trade Secret Laws by State.
Does North Carolina have a trade secret law?
North Carolina enacted the Trade Secrets Protection Act in 1981, codified at N.C. Gen. Stat. §§ 66-152 to 66-157, Article 24 of Chapter 66 (ncleg.gov). This statute is North Carolina's own legislative framework for trade-secret protection. The Uniform Law Commission does not classify North Carolina's Act as a formal adoption of the model Uniform Trade Secrets Act: North Carolina's law predates the finalized UTSA and, while it borrows related concepts such as the two-part definition and the misappropriation framework, it differs from the UTSA model in meaningful structural respects. Practitioners researching North Carolina trade-secret disputes should consult the state's own statute and case law directly rather than assuming that UTSA commentary from other jurisdictions controls the analysis. The Act covers civil claims only; criminal conduct involving trade secrets may be pursued under the federal Economic Espionage Act, 18 U.S.C. §§ 1831-1832, or applicable state criminal statutes.

What counts as a trade secret and misappropriation in North Carolina?
Section 66-152(3) of the North Carolina General Statutes defines a trade secret as business or technical information, including but not limited to a formula, pattern, program, device, compilation of information, method, technique, or process, that satisfies two conditions.
First, the information must derive actual or potential independent economic value from not being generally known to, or readily ascertainable through independent development or reverse engineering by, persons who can obtain economic value from its disclosure or use.
Second, the owner must have taken steps that are reasonable under the circumstances to maintain the secrecy of the information.
Both conditions must be satisfied. Common examples of qualifying information include customer and supplier lists, pricing strategies, software source code, proprietary formulas, manufacturing specifications, and business development plans, provided the owner has treated the information as confidential in practice.
Section 66-152(1) defines misappropriation as: (a) acquisition of another's trade secret by a person who knows or has reason to know the secret was acquired through improper means; or (b) disclosure or use of a trade secret without consent by a person who used improper means to acquire it, who knows or should know the trade secret was derived from a person who used improper means or who had a duty of secrecy, or who before a material change of position knew the trade secret was acquired by accident or mistake. Section 66-152(2) defines improper means to include theft, bribery, misrepresentation, breach or inducement of a breach of a duty to maintain secrecy, and espionage through electronic or other means. Reverse engineering of a product obtained through proper means and independent development are excluded from the definition of improper means, so a competitor who arrives at the same information through legitimate work has not committed misappropriation.
Remedies and the limitations period in North Carolina
Section 66-154(a) authorizes courts to grant injunctions to prevent actual or threatened misappropriation of a trade secret. An injunction may be conditioned on the payment of a reasonable royalty in exceptional circumstances where an absolute prohibition would be inequitable because the defendant has already incorporated the information into a product or process.

Section 66-154(b) governs monetary relief. A plaintiff may recover: (a) actual damages for losses caused by the misappropriation plus any unjust enrichment received by the defendant that is not already captured in the actual-loss figure, or (b) a reasonable royalty for the period during which misappropriation occurred when neither actual loss nor unjust enrichment can be proved. When misappropriation is found to be willful and malicious, a court may additionally award exemplary damages in an amount not exceeding twice the compensatory damages.
Section 66-154.1 permits an award of reasonable attorney fees to the prevailing party when a claim or motion is made or asserted in bad faith, or when willful and malicious misappropriation is found.
The limitations period under § 66-157 is three years from the date misappropriation was discovered or, by the exercise of reasonable diligence, should have been discovered. Continuing misappropriation is treated as a single claim accruing from the first act the owner discovered or should have discovered, which means that investigating suspected theft promptly is important to preserving claims before the period runs.
How the federal DTSA applies in North Carolina
The Defend Trade Secrets Act, 18 U.S.C. §§ 1836-1839, has provided a federal civil remedy for trade-secret misappropriation since May 11, 2016. The DTSA applies when the trade secret relates to a product or service used in, or intended for use in, interstate or foreign commerce, a condition most North Carolina business trade secrets satisfy. Because the DTSA expressly does not preempt state law (18 U.S.C. § 1838), a North Carolina claimant may plead both the state Trade Secrets Protection Act and the DTSA in a single action.
Two DTSA-specific remedies supplement North Carolina state law. First, a federal court may enter a civil ex parte seizure order in extraordinary circumstances to prevent the propagation or disclosure of a misappropriated secret before the defendant receives notice (18 U.S.C. § 1836(b)(2)). Second, the DTSA's limitations period is three years from discovery (§ 1836(d)), matching North Carolina's three-year period under § 66-157.
Under 18 U.S.C. § 1833(b)(3), any confidentiality or employment agreement signed or updated after May 11, 2016 must notify the employee of the statutory whistleblower immunity: employees may not be held liable for disclosing a trade secret to a government official or attorney solely to report a suspected legal violation. An employer who omits this notice from a covered agreement forfeits DTSA exemplary damages and attorney fees against that individual, even when misappropriation is deliberate.
Protecting trade secrets in North Carolina: practical steps
Because reasonable measures to maintain secrecy are a definitional element under § 66-152(3), a company's protective practices are legally relevant, not merely advisable. North Carolina courts assess whether protection was proportionate to the value of the information and the circumstances of the business. Practical protective measures include:
- Written nondisclosure and confidentiality agreements with employees, contractors, and business partners, updated after May 11, 2016 to include the DTSA whistleblower-immunity notice
- Role-based digital access controls and encryption for files and systems housing sensitive business information
- Physical security measures for facilities and paper records containing proprietary data
- Consistent and visible marking of documents and materials as confidential or proprietary
- Structured offboarding procedures for departing employees covering device return, credential revocation, and written reminders of continuing confidentiality obligations
Courts assess whether a company treated information as secret in actual practice. A policy that is documented but not enforced, or a secret that is broadly shared internally without controls, may undermine trade-secret status even when other measures are in place.
This is general legal information, not legal advice. It describes North Carolina trade-secret law under N.C. Gen. Stat. §§ 66-152 to 66-157 and the federal DTSA as of 2026-06-25 and does not address your specific circumstances. Trade-secret disputes are fact-intensive and deadlines are strict. Consult an attorney licensed in North Carolina before acting.
Related articles
- Trade Secret Laws by State
- South Carolina Trade Secret Laws
- Virginia Trade Secret Laws
- Is AI-generated code copyright infringement?
Last updated: 2026-06-25.
Frequently Asked Questions
Is North Carolina's trade secret law based on the Uniform Trade Secrets Act?
No. North Carolina enacted its own Trade Secrets Protection Act in 1981, before the Uniform Trade Secrets Act was finalized in its widely-adopted form. The Uniform Law Commission does not classify North Carolina's statute as a formal UTSA adoption. While both laws share some similar concepts such as the two-part trade-secret definition, North Carolina courts apply the state's own statute and case law rather than UTSA commentary from other jurisdictions.
What qualifies as a trade secret under North Carolina law?
Under N.C. Gen. Stat. § 66-152(3), information qualifies as a trade secret if it derives actual or potential independent economic value from not being generally known or readily ascertainable by those who can benefit from its disclosure or use, and the owner takes reasonable steps to maintain its secrecy. Customer lists, formulas, source code, pricing models, and manufacturing processes can all qualify if both conditions are met. Reverse engineering and independent development are excluded from the definition of improper means and do not create misappropriation liability.
How long do I have to file a trade secret claim in North Carolina?
Three years from when misappropriation was discovered or should have been discovered through the exercise of reasonable diligence, under N.C. Gen. Stat. § 66-157. Continuing misappropriation is treated as a single claim accruing from the first act the owner discovered or should have known about with reasonable diligence. Prompt investigation after suspecting theft helps preserve the claim before the limitations period expires.
What remedies are available in a North Carolina trade secret case?
North Carolina courts may award injunctions under § 66-154(a), actual damages plus unjust enrichment or a reasonable royalty under § 66-154(b), and exemplary damages of up to twice the compensatory award when misappropriation is willful and malicious. Attorney fees are available under § 66-154.1 when a claim is brought in bad faith or when misappropriation is willful and malicious.
Can I bring both a North Carolina state claim and a federal DTSA claim?
Yes. The Defend Trade Secrets Act, 18 U.S.C. § 1838, does not preempt state law, so a North Carolina trade-secret owner may plead both the state Trade Secrets Protection Act and the DTSA in the same lawsuit. The DTSA adds the civil ex parte seizure remedy and requires that post-May 11, 2016 confidentiality agreements include the statutory whistleblower-immunity notice to preserve DTSA exemplary damages and attorney fees. Both the North Carolina Act and the DTSA carry a three-year limitations period from discovery.
Sources and References
- North Carolina Trade Secrets Protection Act, N.C. Gen. Stat. §§ 66-152 to 66-157(ncleg.gov).gov
- Defend Trade Secrets Act, 18 U.S.C. §§ 1836-1839(law.cornell.edu)
- Uniform Trade Secrets Act (Uniform Law Commission)(uniformlaws.org)
- Economic Espionage Act, 18 U.S.C. §§ 1831-1832(law.cornell.edu)