Defending a Tortious Interference Lawsuit Between Competing Businesses

Aggressive competition is legal in Florida. Sabotage is not, and the line between the two is where most business disputes are won or lost. When a rival loses a customer, an employee, or a deal, its first instinct is often to blame you and file suit. If your company is facing a tortious interference lawsuit brought by a competitor, the good news is that Florida law gives defendants several strong, well-established defenses. Courts recognize that businesses are supposed to compete for the same customers, contracts, and talent, and lawful competition is not a tort. This article explains what a competitor must prove, why these claims are so common, and how to build a defense that holds up in a Florida courtroom.

What Is a Tortious Interference Lawsuit Between Competing Businesses?

A tortious interference lawsuit is a civil claim that one company improperly disrupted another company’s contract or business relationship, causing financial harm. Between competitors, the claim usually arises after a customer switches vendors, a key employee jumps ship, or a pending contract falls through. The plaintiff argues that it lost the relationship not because of fair competition, but because the defendant crossed a legal line. These claims fall squarely within the firm’s business litigation practice and are among the most fact-intensive disputes a business owner will face.

Florida recognizes two related versions of the claim: interference with an existing contract and interference with a prospective business relationship. The second is harder to prove because there is no signed agreement, only an expectancy. Both, however, require the plaintiff to show that the defendant acted without justification, and that requirement is where a well-prepared defense does its work.

What Must the Plaintiff Prove?

The plaintiff must prove four specific elements, and failure on any one is fatal to the claim. Under the Florida Supreme Court’s decision in Ethan Allen, Inc. v. Georgetown Manor, Inc., the elements are: (1) the existence of a business relationship; (2) the defendant’s knowledge of that relationship; (3) an intentional and unjustified interference with the relationship; and (4) damage to the plaintiff resulting from the interference.

The relationship does not need to be backed by an enforceable contract, but it must give the plaintiff existing or prospective legal rights. A mere hope that past customers might buy again is not enough. In Ethan Allen, the court held that speculative future sales to former customers, with no agreement to keep doing business, cannot support a claim. That single principle defeats a surprising number of competitor suits at the summary judgment stage.

Why Are Tortious Interference Claims Common Among Competitors?

Tortious interference claims are common between competitors because the same conduct that drives healthy markets, poaching customers, and hiring away talent, looks like sabotage to the company on the losing end. A business that just lost its top salesperson to a rival, along with several accounts, often reaches for litigation as both a remedy and a warning to others. These suits frequently travel alongside claims for misappropriation of trade secrets, breach of fiduciary duty, and violations of the Florida Deceptive and Unfair Trade Practices Act.

The stakes are real. A plaintiff who prevails can recover lost profits and, in some cases, punitive damages. That is why a defendant should treat even a thinly pleaded complaint seriously and coordinate its defense with any related unfair competition and restrictive covenant issues from the start.

What Are the Strongest Defenses to a Tortious Interference Lawsuit?

The strongest defenses attack the “unjustified” element, because Florida law protects vigorous competition and places the burden of proving improper conduct on the plaintiff. A competitor cannot win simply by showing that it lost business to you. It must show that you did something wrongful to cause that loss. Below are the defenses that most often decide these cases.

The Competition Privilege

The competition privilege is the single most powerful defense available to a competing business. Florida follows the Restatement approach, recognized in cases such as KMS Restaurant Corp. v. Wendy’s International, Inc., which holds that competing for business is privileged conduct even when it causes a rival to lose a relationship. To rely on the privilege, the defendant shows that: the relationship concerned a matter involved in the competition between the parties; the defendant did not use improper or wrongful means; the conduct did not create an unlawful restraint of trade; and the defendant acted at least in part to advance its own competitive interest.

When those conditions are met, the interference is lawful. This defense is especially strong where the disputed relationship was not exclusive, because Florida treats interference with a non-exclusive relationship as privileged. If a customer was free to take its business elsewhere, a competitor is generally free to ask for it.

The Interference Was Justified or Privileged

A defendant is not liable when its interference was justified, meaning it acted to protect its own legitimate financial or business interest. Florida courts have long held that a party pursuing its own economic advantage, without resorting to wrongful means, has not committed a tort. This justification defense overlaps with the competition privilege but reaches beyond direct competitors, covering lenders, advisors, and others with a stake in the relationship. Related claims, such as civil conspiracy, often fail for the same reason once justification is established.

The Defendant Was Not a Third Party to the Relationship

A tortious interference claim can only be brought against a stranger to the relationship, not a party to it. In Salit v. Ruden, McClosky, Smith, Schuster & Russell, P.A., the court confirmed that the interfering defendant must be a third party because a party cannot interfere with its own contract. If your company was itself a party to the agreement or relationship at issue, the claim fails as a matter of law. This defense also protects officers and employees acting within the scope of their duties, unless they acted solely out of malice against the employer’s interest.

The Plaintiff Cannot Prove Improper or Wrongful Means

Without improper means, there is no tort, only competition. Florida law requires the plaintiff to identify conduct such as fraud, misrepresentation, intimidation, threats, coercion, or other unlawful behavior. Ordinary persuasion, better pricing, and superior service do not qualify. If the plaintiff cannot tie the lost relationship to genuinely wrongful conduct, the claim should not survive. Where the alleged “wrongful means” is really a separate tort, such as fraud in the inducement or trade libel, that claim must be proven on its own terms.

There Was No Protected Relationship or No Damages

A claim collapses if the plaintiff had no legally protected relationship or cannot prove it suffered actual harm. As Ethan Allen makes clear, a speculative expectancy is not protected. Likewise, if the customer would have left anyway, or the contract was terminable at will and lawfully ended, the causal link breaks. Damages must be proven with reasonable certainty, not guesswork, and a defendant should scrutinize the plaintiff’s lost-profits theory closely, sometimes with the help of an injurious falsehood or slander of title analysis where reputational claims are bundled in.

The Statute of Limitations Has Expired

Florida gives a plaintiff four years to file a tortious interference claim, and a late filing is a complete defense. Under Florida Statutes section 95.11, the four-year clock generally begins when the plaintiff knew or should have known of the last element of the alleged interference. Because these disputes often simmer for years before a lawsuit, a careful review of the timeline can end the case before it reaches the merits.

What Counts as “Improper Means” in a Florida Tortious Interference Lawsuit?

Improper means are wrongful acts that go beyond hard bargaining, such as fraud, defamation, physical threats, intimidation, and illegal conduct. Florida courts draw a sharp line between aggressive competition and conduct that society condemns. Offering a better deal, calling on a rival’s customers, and hiring a competitor’s at-will employees are all fair game. Lying about a competitor, inducing someone to breach a valid non-compete or restrictive covenant, or stealing confidential information are not.

This distinction matters because it controls both liability and the availability of an injunction. A plaintiff who cannot point to concrete wrongful conduct, and instead complains only that it lost business, is describing competition, not a tort. Documenting that your company competed on the merits is often the most persuasive part of the defense.

How Do Florida Courts Treat Aggressive but Lawful Competition?

Florida courts consistently protect aggressive competition, treating the free pursuit of customers and talent as a feature of the market rather than a wrong. The privilege to compete reflects a policy judgment that the economy benefits when businesses fight hard for every account. Courts will not punish a company merely for winning. The privilege is qualified only when the sole motive is malice, meaning the defendant acted purely to harm the plaintiff with no legitimate business purpose, or when the defendant used the kind of wrongful means described above.

This is a demanding standard for plaintiffs. Proving that a competitor acted with no business motive at all, out of pure spite, is rare and difficult. For most defendants, the record shows an obvious economic reason for the conduct, which by itself defeats the malice theory and reinforces the competition privilege.

What Should Your Business Do When Served With a Tortious Interference Lawsuit?

Act immediately to preserve evidence, map the timeline, and identify every available defense before your first response is due. The early decisions in a tortious interference lawsuit shape everything that follows. Preserve emails, contracts, and communications with the customer or employee at issue, because they usually show a legitimate business reason for what happened. Then assess whether the complaint even states a claim, since many are vulnerable to an early motion to dismiss for failing to allege improper means or an unjustified interference.

From there, coordinate the defense with any related exposure. Competitor suits rarely arrive alone. They often accompany claims for breach of contract, aiding and abetting torts, or abuse of process where the lawsuit itself is a competitive weapon. A unified strategy across the firm’s lawsuit defense practice keeps the defenses consistent and forecloses the plaintiff’s attempts to recast the same facts as multiple torts.

How Jimerson Birr Defends Tortious Interference Lawsuits in Florida

Jimerson Birr defends Florida businesses statewide against tortious interference claims by pairing early, aggressive motion practice with a clear competition narrative. Our attorneys pressure-test each element the plaintiff must prove, invoke the competition and justification privileges, and hold the plaintiff to its burden on improper means and damages. Where a competitor has weaponized litigation, we pursue every procedural and substantive defense available and, where warranted, counterclaims.

If your company has been sued or threatened with a tortious interference lawsuit, the sooner you build your defense, the more options you have. Contact Jimerson Birr to discuss how our lawsuit defense team can protect your right to compete.