Pennsylvania Trade Secret Laws: UTSA, Remedies & Deadlines

Pennsylvania enacted the Pennsylvania Uniform Trade Secrets Act (PUTSA), codified at 12 Pa. C.S. §§ 5301 to 5308, in 2004, replacing decades of common-law trade secret protection with a unified statutory framework. Civil claims for misappropriation must be brought within three years from the date the misappropriation was discovered, or reasonably should have been discovered.

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 full overview of trade secret protection across all jurisdictions, see Trade Secret Laws by State.

Does Pennsylvania Have a Trade Secret Law?

Pennsylvania enacted the Pennsylvania Uniform Trade Secrets Act in 2004, codified at 12 Pa. C.S. §§ 5301 to 5308, effective April 19, 2004. PUTSA is modeled on the Uniform Trade Secrets Act (UTSA) developed by the Uniform Law Commission. Before PUTSA, Pennsylvania relied on common-law trade secret principles drawn from the Restatement of Torts, which meant that protection depended on the evolving body of Pennsylvania case law rather than a codified statute. PUTSA replaced those common-law claims with a unified statutory framework, providing defined elements, predictable remedies, and express preemption of conflicting tort claims. PUTSA applies only to misappropriation occurring on or after its effective date; earlier misappropriation continues to be governed by pre-2004 common law. Pennsylvania courts look to UTSA commentary and to decisions from other UTSA-adopting states as persuasive authority.

What Counts as a Trade Secret and Misappropriation Under PUTSA?

Under 12 Pa. C.S. § 5302, a trade secret is information, including a formula, drawing, pattern, compilation including a customer list, program, device, method, technique, or process, that satisfies two requirements. First, the information must derive independent economic value, actual or potential, from not being generally known to, and not being readily ascertainable by proper means by, other persons who can obtain economic value from its disclosure or use. Second, the information must be the subject of efforts that are reasonable under the circumstances to maintain its secrecy.

Pennsylvania courts evaluate reasonableness by looking at the totality of the owner's protective measures. Recognized steps include requiring employees, contractors, and partners to sign nondisclosure agreements; restricting access to sensitive systems and files on a need-to-know basis; marking materials as proprietary or confidential; conducting security training; and implementing technical safeguards such as access controls and encryption. A business need not adopt every possible measure, but must demonstrate a genuine and consistent effort to maintain secrecy.

Misappropriation under § 5302 includes acquiring another’s trade secret knowing or having reason to know that it was acquired by improper means, including theft, bribery, misrepresentation, breach or inducement of a breach of a duty to maintain secrecy, or espionage. Misappropriation also includes unauthorized disclosure or use by a person who used improper means to acquire the secret; § 5302 separately covers specified knowledge, secrecy-duty and accident-or-mistake circumstances. Section 5302 does not expressly address reverse engineering or independent development. Its improper-means list is expressly nonexclusive. Independent work that does not acquire, disclose or use another’s secret does not satisfy the misappropriation definition.

Remedies and the Limitations Period Under PUTSA

A civil misappropriation claim under PUTSA must be brought within three years from the date the claimant discovered, or by the exercise of reasonable diligence should have discovered, the misappropriation. The three-year period aligns with the UTSA baseline and the federal DTSA's limitations period under 18 U.S.C. § 1836(d). Pennsylvania applies a discovery rule, so the clock begins when the owner knew or had reason to know that misappropriation occurred, not necessarily when the underlying act took place. Claims based on misappropriation that occurred before April 19, 2004 remain subject to Pennsylvania's pre-PUTSA common-law rules.

Available remedies under PUTSA include:

• Injunctive relief (12 Pa. C.S. § 5303): A court may enjoin actual or threatened misappropriation and may extend an injunction to eliminate any commercial advantage derived from the misappropriation. Where an injunction would be inequitable, the court may permit continued use subject to payment of a reasonable royalty.
• Damages (§ 5304): A prevailing claimant may recover actual loss caused by the misappropriation plus unjust enrichment not captured in the actual-loss figure. Where neither measure is provable with sufficient certainty, the court may award a reasonable royalty for the unauthorized disclosure or use.
• Exemplary damages (§ 5304): When the misappropriation is willful and malicious, the court may award exemplary damages up to twice the compensatory damages.
• Attorney fees (§ 5305): The court may award reasonable attorney fees, expenses and costs to the prevailing party when a misappropriation claim is made in bad faith, a motion to terminate an injunction is made or resisted in bad faith, or willful and malicious misappropriation exists.

Under PUTSA, the statute displaces conflicting civil claims for misappropriation of a trade secret, channeling those disputes to the statutory framework. Contract claims, criminal liability, and civil remedies not based on misappropriation are unaffected.

How the Federal DTSA Applies in Pennsylvania

The Defend Trade Secrets Act, 18 U.S.C. §§ 1836-1839, enacted in May 2016, creates a federal civil cause of action for trade secret misappropriation when the secret relates to a product or service used in, or intended for use in, interstate or foreign commerce. The DTSA does not preempt PUTSA (18 U.S.C. § 1838), so Pennsylvania trade-secret owners may plead both statutes simultaneously, commonly in federal district court.

Key DTSA provisions applicable in Pennsylvania:

• Limitations: three years from discovery (18 U.S.C. § 1836(d)), identical to the state period under PUTSA.
• Remedies: injunctive relief, actual damages plus unjust enrichment or a reasonable royalty, exemplary damages up to twice the compensatory award for willful and malicious misappropriation, and attorney fees for bad-faith claims or willful and malicious conduct (§ 1836(b)(3)).
• Ex parte seizure: in extraordinary circumstances a federal court may authorize seizure of property to prevent propagation or dissemination of a trade secret (§ 1836(b)(2)).
• Whistleblower immunity and notice: individuals who confidentially disclose a trade secret to a government official or attorney to report a suspected legal violation are immune from DTSA and state trade-secret liability (§ 1833(b)(1)). Confidentiality or nondisclosure agreements signed or updated after May 11, 2016 must include written notice of this immunity; omitting it forfeits the right to exemplary DTSA damages and attorney fees in any action tied to that agreement (§ 1833(b)(3)).

Pennsylvania also criminalizes specified theft, unauthorized access and misuse of articles representing trade secrets under 18 Pa. C.S. § 3930, which provides second- or third-degree felony offenses depending on the conduct and required intent. Federal prosecution may also be available under the Economic Espionage Act, 18 U.S.C. §§ 1831-1832.

This article presents general legal information about Pennsylvania trade secret law as of 2026-06-25 and is not legal advice. Trade secret matters involve detailed factual and legal analysis that varies by situation; consult a licensed Pennsylvania attorney for guidance specific to your circumstances.

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Last updated: 2026-06-25.

Frequently Asked Questions

What qualifies as a trade secret under Pennsylvania law?

Under 12 Pa. C.S. § 5302, information qualifies as a trade secret if it derives independent economic value from not being generally known or readily ascertainable by proper means, and if the owner takes efforts reasonable under the circumstances to maintain its secrecy. Protected information may include formulas, drawings, patterns, compilations (including customer lists), programs, devices, methods, techniques, and processes.

How long do I have to file a trade secret lawsuit in Pennsylvania?

Pennsylvania's Uniform Trade Secrets Act provides a three-year limitations period running from the date you discovered or reasonably should have discovered the misappropriation. The same three-year period applies under the federal Defend Trade Secrets Act (18 U.S.C. § 1836(d)). Note that PUTSA applies only to misappropriation occurring on or after April 19, 2004; older claims are governed by Pennsylvania common law.

What remedies are available for trade secret misappropriation in Pennsylvania?

PUTSA provides injunctions, actual loss plus nonduplicative unjust enrichment or an alternative reasonable royalty, and additional exemplary damages up to twice the § 5304(a) award for willful and malicious misappropriation. Under 12 Pa. C.S. § 5305, a court may award reasonable attorney fees, expenses and costs to the prevailing party for a bad-faith misappropriation claim, a motion to terminate an injunction made or resisted in bad faith, or willful and malicious misappropriation.

Do nondisclosure agreements help protect trade secrets in Pennsylvania?

Yes. Pennsylvania courts consider whether the owner took reasonable efforts to maintain secrecy, and a well-drafted NDA is strong evidence of those efforts. Under the federal DTSA, any NDA or confidentiality agreement signed or updated after May 11, 2016 must include a whistleblower-immunity notice, or the employer forfeits the right to seek exemplary DTSA damages and attorney fees in a federal action tied to that agreement.

Can Pennsylvania businesses bring both a PUTSA claim and a federal DTSA claim?

Yes. The DTSA does not preempt PUTSA (18 U.S.C. § 1838), so Pennsylvania trade-secret owners may assert both claims in the same lawsuit, typically in federal district court when the misappropriation involves interstate or foreign commerce. Both carry a three-year limitations period from discovery, and the remedial frameworks are substantially parallel.