Slander of Title Actions
Claims for false statements about ownership or encumbrances that cloud title and block transactions. Land registry disputes, improper cautions, and corrective relief.
Jump to sectionEconomic Torts
A common law tort that protects economic interests where false statements about property, goods, or business are published to others with malice and cause financial loss.
Grigoras Law represents clients across Ontario in injurious falsehood matters, including slander of title and slander of quality. We act for businesses and professionals where false commercial statements cause economic loss. Our work includes fast assessments, targeted injunctions where justified, and strategic claims that address falsity, malice, and measurable damages.
What We Do
Claims for false statements about ownership or encumbrances that cloud title and block transactions. Land registry disputes, improper cautions, and corrective relief.
Jump to sectionActions where false statements target product performance or service capability and cause lost sales or contracts. Proof of malice and loss strategies.
Jump to sectionRemoval and injunctive relief for targeted false commercial statements on platforms and directories. Evidence preservation and loss quantification.
Jump to sectionRapid applications where ongoing falsehoods threaten serious commercial harm. Targeted orders and coordinated takedown requests.
Jump to sectionCausation mapping, lost profit models, and special damage evidence. Expert coordination for reliable quantification.
Jump to sectionCoordination with interference with economic relations and passing off where the facts support a combined remedy.
Jump to sectionYour Legal Team

Counsel, Civil & Appellate Litigation
Representative Work
Ontario Superior Court of Justice · Business and professional services
Acted as defence counsel to a client sued over negative online statements concerning a professional business. The case involved issues of fair comment, honest belief, and causation of economic loss.
Ontario Superior Court of Justice · Malicious falsehood and economic torts
Represented a client alleged to have caused economic harm by communicating concerns about the plaintiff's off-duty conduct to the plaintiff's employer. The defence emphasized good faith, qualified privilege, and lack of malice.
Insights & Coverage
Injurious falsehood (sometimes called malicious falsehood, slander of title, or slander of goods) is a common law tort protecting against false statements that economically harm a person’s property, business, or products. Unlike defamation, which focuses on injury to reputation, injurious falsehood concerns financial loss arising from untrue statements that disparage the ownership, quality, or integrity of assets. The action has deep historical roots, originating from early English common law and later recognized in Canada through cases such as Manitoba Free Press Co. v. Nagy, [1907] S.C.R. 340.
The tort evolved to cover both slander of title, false statements that question ownership of property, and slander of quality, which involves false claims about the nature or condition of goods or services. Together, these principles protect commercial and personal interests from dishonest competition and misleading disparagement.
The earliest form of the tort, slander of title, appeared when property rights were essential to commerce. Over time, courts extended the principle to situations where false statements about goods or business operations caused measurable economic loss. The English decision in Ratcliffe v. Evans, [1892] 2 Q.B. 524, is a landmark case establishing liability where a false statement (though not defamatory) caused pecuniary harm. Canadian courts soon followed suit, grounding the modern concept of injurious falsehood in the protection of economic interests against deceit and malice.
This tort plays an important role in preventing unfair competition. Businesses rely on the truthfulness of commercial representations, and false disparagement can undermine market confidence. The law thus strikes a balance between protecting free expression and preserving fair dealing in trade.
To succeed in a claim for injurious falsehood, the plaintiff must generally prove four elements:
A false statement about the plaintiff’s goods, property, or business;
Publication to a third party;
Malice, meaning the statement was made dishonestly or with an improper motive; and
Special damage, representing actual or anticipated financial loss.
Each element serves a distinct function in separating legitimate competition from wrongful conduct. Truthful comparisons or fair opinions remain lawful, while deliberate or reckless falsehoods attract liability.
Canadian courts emphasize that malice is essential. It can be inferred where a defendant knew a statement was false, acted with reckless disregard for its truth, or published it without a bona fide purpose. The decision in Manitoba Free Press Co. v. Nagy confirmed that reckless disregard for truth is sufficient evidence of malice.
In Ontario, section 17 of the Libel and Slander Act, R.S.O. 1990, c. L.12 modifies the common law by removing the need to prove special damages when written falsehoods are calculated to cause financial harm.
Slander of title arises where a person falsely asserts an adverse claim over another’s land, goods, or property interests, thereby discouraging potential buyers or tenants. This might include a fraudulent claim of ownership, an invalid lien, or the wrongful registration of a legal interest. The harm lies not in reputation but in the interference with the ability to transact.
Courts require proof that the statement was false, malicious, and resulted in financial loss. In Captain Developments Ltd. v. Nu-West Group Ltd., [1983] O.J. No. 3294 (Ont. C.A.), the Ontario Court of Appeal reaffirmed that registering a legal caution can amount to actionable conduct when done falsely and with malice.
However, good-faith legal filings, such as certificates of pending litigation or sworn affidavits, are absolutely privileged and cannot form the basis of a claim.
Slander of quality involves false or misleading statements that discredit the quality, performance, or reliability of goods or services. For example, a competitor might spread a false rumour that a product is unsafe or defective. The case of Rust Check Canada v. Young (1988), 47 C.C.L.T. 279 (Ont. S.C.) illustrates that lawful comparative advertising becomes actionable only when the claim crosses the line into factual misrepresentation.
In this context, courts apply an objective standard, whether a reasonable person with knowledge of the facts would treat the claim as a serious allegation of defect or inferiority. Puffery and opinion are permitted, but deceitful disparagement is not.
The tort extends beyond tangible property. Courts have recognized injurious falsehood in cases where defendants falsely alleged that a company was going out of business, or that a party was engaged in fraud or patent infringement. These statements, though not personal defamation, inflict direct economic harm.
In First Choice Canadian Communications Corp. v. Terra Cable Ltd. (1993), 133 N.B.R. (2d) 115 (N.B.Q.B.), the court found liability where false statements about alleged fraud caused substantial business losses. Similarly, false assertions of ownership or patent rights can give rise to injurious falsehood claims when made maliciously and without justification.
A claimant must show measurable loss caused by the falsehood—such as cancelled contracts, reduced sales, or decline in property value. While general loss of custom may suffice in some cases, courts often require specific evidence linking the false statement to the financial harm.
Remedies include damages for proven loss and, where appropriate, injunctive relief to prevent further dissemination of the false statements. In Church & Dwight v. Sifto Canada (1994), 22 C.C.L.T. (2d) 304 (Ont. Gen. Div.), the court granted an injunction where continued publication would likely cause additional loss.
Although closely related, injurious falsehood differs from defamation in several key respects:
Subject matter: Defamation protects personal or professional reputation, while injurious falsehood protects property and economic interests.
Proof of falsity: The plaintiff must affirmatively prove falsity in injurious falsehood, whereas in defamation, falsity is presumed.
Requirement of malice and damage: Both must be proven; negligence is insufficient.
Type of loss: Injurious falsehood focuses on pecuniary harm, not emotional or reputational injury.
The two torts sometimes overlap, especially where false statements about goods or business practices also reflect on the person’s integrity. Courts analyze context carefully to determine which cause of action best fits.
Injurious falsehood claims often arise in commercial disputes, real estate conflicts, and competitive business contexts. Plaintiffs must gather strong evidence of both falsity and malice (i.e., emails, advertisements, or correspondence showing reckless disregard for truth can be important). Defendants, on the other hand, may rely on fair comment, honest opinion, or qualified privilege where applicable.
Because damages are often difficult to quantify, early legal advice is important. Counsel may recommend injunctive relief to prevent further dissemination while preserving the ability to seek damages later.
In recent years, the tort of injurious falsehood has taken on renewed importance as false statements spread rapidly through digital platforms and online business directories. The ability of a single post, review, or video to disrupt a commercial relationship has forced courts to adapt long-standing principles to a modern information environment.
Canadian courts have recognized that the same common law elements apply online. When a competitor, former client, or anonymous user publishes false material claims about a business, such as alleging regulatory breaches, false ownership disputes, or product defects, the publication can give rise to liability if malice and economic loss are proven. Although the law still protects honest comment and fair competition, courts remain alert to deliberate campaigns that use misinformation to cause financial harm.
Online business defamation and injurious falsehood increasingly intersect. A misleading Google review, for example, may contain defamatory statements about the business owner and also false statements about the services provided. Each tort addresses a different aspect of the injury: one reputational, the other commercial. Legal counsel must assess both causes of action strategically to determine which offers the strongest remedy.
Where injurious falsehood involves corporate or professional services, the claims often arise alongside allegations of interference with economic relations or unlawful competition. For instance, where a rival falsely informs clients that a business lacks required licenses or is under investigation, the conduct may constitute both injurious falsehood and interference with contractual relations. The availability of concurrent causes of action allows courts to provide tailored relief according to the nature of the loss.
Injunctions remain a particularly useful tool in this area. Courts will restrain further publication where continuing falsehoods pose a real risk of ongoing harm. In doing so, judges balance the public interest in freedom of expression with the principle that commercial communication must not be dishonest. An injunction may be granted even before trial if there is compelling evidence of falsity and malice and where damages alone would not adequately compensate the plaintiff.
The development of this tort continues to reflect a broader principle in Canadian tort law: the protection of economic interests from intentional wrongdoing. Injurious falsehood reinforces market integrity by discouraging the misuse of speech for competitive advantage. It remains an essential safeguard for property owners, entrepreneurs, and professionals whose livelihood depends on public trust and accurate information.
Common Questions
Injurious falsehood focuses on disparagement of a business, product, or property interest, whereas defamation centres on statements harming an individual's or entity's personal reputation. In defamation, courts presume reputational damage once falsity is proven, typically awarding general damages if the statements are indeed false and refer to the plaintiff. By contrast, injurious falsehood requires plaintiffs to prove actual, quantifiable economic harm—such as lost sales or property devaluation—resulting from the malicious false statement. Moreover, injurious falsehood demands a heightened level of malice—the defendant must either know the statements are false or exhibit reckless indifference to truth, intending or expecting financial damage to the plaintiff.
Yes, both injurious falsehood and defamation can be pleaded together if the statements at issue overlap personal reputations and commercial or property interests. For example, a competitor might claim a business owner personally cheated customers (defamatory of the owner's character) while also saying the store's merchandise is counterfeit or substandard (injurious falsehood harming the brand). In such instances, the plaintiff must present evidence of distinct damage to reputation (defamation) and distinct economic loss or property-based injury (injurious falsehood). Courts carefully avoid granting double recovery but will assess each tort's elements. Often, a defamation suit addresses personal esteem or credibility, whereas injurious falsehood secures compensation for business revenue declines or property-value impacts.
To establish a claim for injurious falsehood, the plaintiff must demonstrate four key elements:
By proving these elements, the plaintiff can establish a claim for injurious falsehood and seek remedies for the economic harm caused by the defendant's false statements.
In general, Canadian law requires malice or reckless disregard for injurious falsehood, meaning a mere negligent misstatement about someone's goods or property typically won't suffice. The standard is higher than simple carelessness: the defendant must either know the statement is false or be so reckless as to show they did not care about verifying the truth. Courts emphasize that the falsehood must be "calculated to cause financial harm," either deliberately or by ignoring obvious red flags. This requirement differentiates injurious falsehood from other torts where negligence can establish liability.
That said, "malice" here does not necessarily require personal animosity or hatred. The defendant might have a purely commercial motive—hoping to boost their own product by undermining a competitor's. If they spread unverified claims about a rival's product being defective, suspecting it was untrue or having no basis to believe it, that reckless approach indicates the "malice" essential for injurious falsehood. Plaintiffs typically gather evidence of the defendant's knowledge or suspicious circumstances (e.g., ignoring contradictory data, continuing to circulate rumours after official clarifications). If the defendant had a genuine, reasonable belief in the statement's accuracy—demonstrating no malicious or reckless intent—they may avoid liability, though such defences often hinge on the thoroughness of their fact-checking and good faith.
Injurious falsehood encompasses various types of false statements intended to cause economic harm to the plaintiff. These statements generally fall into three categories:
By encompassing these types of statements, injurious falsehood provides a broad scope of protection for economic interests against maliciously false assertions.
Plaintiffs who successfully prove a claim for injurious falsehood can seek several remedies to address the harm caused by the false statements:
These remedies collectively ensure that plaintiffs are adequately compensated for their losses and protected from further harm, while also deterring defendants and others from engaging in similar wrongful conduct in the future.
Demonstrating the specific financial harm (special damages) resulting from a malicious false statement can be challenging if other market factors concurrently affect your sales. Courts expect evidence linking the defendant's falsehood to your economic losses. While a general sales slump might arise from various causes—like economic downturns or new competitors—plaintiffs must isolate or highlight instances where the false statement demonstrably influenced buyers, distributors, or investors to withdraw support or purchases.
One approach is to gather direct testimonies from customers or clients who confirm that they reconsidered a contract or purchase solely because of the rumour or disparaging statement. Internal business data can also help: if your sales cratered immediately after the falsehood circulated, with many prospective deals referencing the negative claim, it buttresses the link. Additionally, market analysis comparing your performance to industry benchmarks or to prior months can help show a marked downturn unexplainable by general trends alone. The key is to show a plausible, causal chain from the statement to the lost business.
Courts often weigh how diligently you attempted to mitigate losses—did you issue clarifications or disclaimers in response to the falsehood, correct the record publicly, or reach out to concerned clients? A prompt counteraction can reduce losses and demonstrate your diligence, potentially boosting your credibility in court. If you let the rumour fester unaddressed, judges may consider whether you contributed to the loss by inaction. Nonetheless, the main hurdle remains proving that absent the malicious falsehood, those particular clients or sales would have remained intact.
Defendants in injurious falsehood cases can raise several defences to avoid liability. Here are the primary defences:
These defences ensure that defendants have the opportunity to protect their rights and challenge injurious falsehood claims based on legitimate grounds, preserving the balance between protecting economic interests and safeguarding freedom of expression.
Yes, demonstrating actual or special monetary damage is central to injurious falsehood. Plaintiffs cannot merely claim they suspect business was lost or that negative rumours hurt brand image. Courts insist on a direct, economic harm traceable to the defendant's false statements—like identified customers who cancelled orders, an aborted transaction, or a tangible drop in property value after the disparaging remarks circulated. This requirement distinguishes injurious falsehood from many defamation cases, where reputational harm is often presumed once falsity is proven.
To succeed, you must show a causal link: that absent the false statement, the loss likely would not have occurred. For instance, a manufacturing firm might produce testimony from prospective clients who confirm they chose another supplier solely because of defamatory allegations about the firm's reliability or product safety. If the plaintiff cannot specify or document such economic losses (e.g., lost profits, specific deals that collapsed), the injurious falsehood claim typically fails, even if the statements were maliciously false. Courts evaluate whether other market forces—like a general downturn or a competitor's lower pricing—explain the business shortfall instead. Hence, collecting records, emails, or declarations from parties who directly reference the falsehood when cancelling a deal is crucial in establishing special damages.
Yes, injurious falsehood (sometimes historically termed slander of title) extends beyond goods or services to encompass real property or land development interests. The law recognizes that maliciously false claims about property ownership, condition, or environmental hazards can deter buyers, drive down valuations, or thwart pending sales—effects paralleling those in a product disparagement scenario. For instance, a neighbour might allege your commercial lot has zoning violations or that your farmland is contaminated, fully aware these accusations lack factual basis but hoping to hinder a transaction or disrupt a development project.
As with other injurious falsehood claims, you must show the statement was false, was published to at least one third party likely to act on it, and was made with malice or reckless indifference. Proving special damages is also essential: the statement must have caused a specific economic blow, like a prospective buyer pulling out of a purchase or lenders withdrawing financing. Courts scrutinize whether the defendant harboured ill will or recognized the statement's falsity. While some property disputes revolve around legitimate concerns—zoning ambiguities or boundary lines—an injurious falsehood claim demands evidence that the defendant either knowingly lied or was indifferent to the truth, intending or expecting financial detriment to the landowner.
An "honest review" or opinion-based commentary can indeed present a defence to injurious falsehood if the defendant's remarks do not purport to convey factual claims. Injurious falsehood requires a false statement of fact. By contrast, subjective opinions—like stating that a restaurant is "overrated" or "not worth the money"—typically do not meet the standard for falsehood, provided no factual misrepresentations underlie the critique. Courts often permit robust or even harsh expressions of opinion in the interest of freedom of speech, so long as the remarks remain honest beliefs and do not cross into malicious fact-based assertions (e.g., lying about health-code violations).
That said, if the defendant couches factual allegations as "opinion" but effectively spreads unverified claims (e.g., "In my opinion, this brand of cosmetics uses harmful chemicals," without basis), this approach will not shield them from liability. The line between permissible opinion and injurious falsehood hinges on whether an average reader or listener would interpret the statement as a verifiable fact. If the defendant claims sincerity, courts examine whether they reasonably believed the underlying facts, or if the statement is an obvious exaggeration or rhetorical flourish that no one would interpret as a factual claim. Ultimately, disclaiming "It's just my opinion" does not excuse malicious or recklessly false factual assertions that harm the plaintiff's business or property interests.
Injurious falsehood shares certain conceptual parallels with defamation, yet privileges like fair comment or qualified privilege do not map perfectly to injurious falsehood claims. For instance, fair comment (defending genuinely held opinions on matters of public interest) applies more commonly in defamation law, where the focal point is personal or corporate reputation. Injurious falsehood, by contrast, revolves around false statements of fact causing economic harm, which typically demands the plaintiff show malice or recklessness.
However, qualified privilege might still surface if the defendant was acting within a recognized context of legitimate interest—like a consumer reporting a genuine safety concern to a regulatory body or someone conferring in a confidential business setting about a perceived flaw in a product. If the defendant had an honest, reasonable purpose in making the statement and lacked malicious intent, the court may find no liability, akin to how qualified privilege functions in defamation. But the threshold for establishing a privileged occasion can be higher in injurious falsehood cases, since it requires reconciling the commercial or property-focused nature of the statements with the legitimate need for free communication. Even if privilege applies, if the defendant abuses that occasion by maliciously or recklessly spreading untruths, the privilege may be lost, reinstating liability.
Injurious Falsehood
If a false statement is harming your business or property interests, or if you need to defend a claim for alleged trade disparagement, Grigoras Law can help. We assess special damage, evidence, and strategy to protect commercial interests and resolve disputes efficiently.

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