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The Canadian Charter of Rights and Freedoms guarantees the right to “freedom of thought, belief, opinion and expression, including freedom of the press and other media of communication”, but this right, along with all rights guaranteed by The Charter, is not absolute.

Some types of free expression in Canada are crimes, such as perjury, distributing obscene material, and hate speech. The right to free expression is subject to “reasonable limits prescribed by law as can be demonstrably justified in a free and democratic society.” Free expression crimes in Canada are constitutional issues, and the onus is on the government to prove that the infringement is justifiable.

However, some limits on free expression in Canada have nothing to do with government restrictions or the right to free expression as defined in the Charter. One such limit is the civil tort of defamation.

Defamation refers to harming another person’s reputation by making a false written or oral statement about that person to a third party. Defamation law is not about protecting pride; it is about protecting reputation and offering restitution to people whose reputations have been wrongly damaged. Although courts will very occasionally issue an injunction to stop defamation that has not yet occurred, almost all defamation cases involve one person suing another for damages from defamatory statements that have already been made.

Tort law surrounding defamation law does not directly curb your right to free expression; it is not illegal per se. Rather, defamation is generally about paying damages to people that have been harmed by your speech. You can still say whatever you want, but you may have to pay for it (and you may have to pay a lot).

Defamation can be subdivided into libel and slander:

Libel: defamation with a permanent record, such as an email, a radio or TV broadcast, a newspaper, a website posting, etc.

Slander: defamation with no permanent record, such as a spoken statement or even a hand gesture.

If you are suing for libel in Canada, you do not need to prove that you suffered damages—you only need to prove that a false statement with a permanent record was made about you to a third party, and the court will presume that damages were suffered. If you are suing for slander, however, you usually do need to prove that damages were suffered. Proving that slander caused you financial loss is difficult, which is why slander cases are far less common than libel cases. There are a number of
legal defenses against defamation:

1. You can claim that the statement was
true; a true statement cannot be defamatory.

2. You can claim
 “absolute privilege,” which means that the communication was made in a venue where people ought to have absolute privilege to speak freely; this includes Parliament or giving evidence in a trial.

3. You can claim 
“qualified privilege,” which means that the communication was given in a non-malicious and well-intentioned context and therefore ought to be excused: for example, giving an honest but negative reference for a former employee.

4. You can claim 
“fair comment,” which means that your statement was a non-malicious opinion about a matter of public interest: for example, an editorial in a newspaper about a politician.

5. You can claim 
“responsible communication on matters of public importance,” which allows journalists to report false allegations if the news is urgent and of public importance, and if the journalist made an effort to verify the information. Even if the statement is false, the public has an interest in this type of discussion being legally permissible.


In Hill v Church of Scientology of Toronto (1995), the Supreme Court departed from the American standard of requiring “actual malice” for libel; this makes libel easier to prove in Canada than it is in the U.S.

The Court also dismissed arguments that awarding damages in this case would cause “libel chill”—refraining from speaking out for fear of being sued for defamation—in Canada. In this case, the Court awarded Mr. Hill over $1.5 million in damages. This was certainly a loss for free expression in Canada.

While defamation tort law does not technically prevent defamation or make it illegal, the amount of money you may have to pay in damages for defamation can be financially crippling. In 
Leenan v CBC and Myers v CBC , the CBC was ordered to pay damages to two cardiologists who were wrongly portrayed in a negative light on a CBC program, showing that both Crown corporations and broadcasters of defamatory content, including broadcasters of content created by others, can also be liable for defamation.

Grant v Torstar (2009), the Court created a new defense against defamation allegations (the fifth defense cited above): the defense of “responsible communications” for journalists. The Court ruled that the existing defamation law in Canada, in comparison to similar countries, was overly strict and that "this, in turn, may have a chilling effect on what is published. Information that is reliable and in the public's interest to know may never see the light of day."

Crookes v Newton (2011), the Court ruled that publishing a hyperlink to defamatory material does not make one liable for defamation, because hyperlinking to material does not count as publishing that material.

These last two cases hint at a trend towards increasing protections for journalists against defamation. This is just a small sampling of many important Canadian court cases surrounding defamation.

What constitutes as a defamatory statement was well described within the cases of Ahmed v. DePaulis2020 ONSC 2550 and Grochowski v. Young, 2019 ONSC 326 as well as the case of Focus Graphite Inc. v. Douglas, 2015 ONSC 1104 wherein it is also stated that the basis for what is defamatory is consistent regardless of whether the impugned publication was in the traditional sense or via the Internet.

In the interest of brevity, the takeaway is this: defamation law is an attempt to strike a balance between the right to free expression and restitution for individuals who have been harmed by that free expression—and while there have certainly been losses for free expression, there have been some recent victories for free expression as well. Defamation law in Canada is still evolving, and the list of acceptable defenses for journalists is growing.


One must bear in mind that not all untrue or unflattering words are defamatory.  In a defamation case, the context of the situation in which the words were passed in addition to the words themselves are considered.  A heated debate wherein one person states that the another person is an "idiot" while in the presence of other persons is unlikely to found a successful legal case as 'right-thinking members of society' would likely recognize the inflammatory nature of the debate with a corresponding disregard to the statement and therefore lack of any lowering of reputation. 

Defamation involves untruths that, when told and spread, may injure a person's reputation and thereby cause harm to employment, relationships, friendships, and even one's own confidence, self-esteem, and trust of others.  For these reasons, the law bears heavily upon persons who speak falsely about other persons.  Defamation can arise from one of two methods.  Libel involves disparagement by written words and slander involves disparagement by spoken words.  In Ontario, the common law as well as the Libel and Slander Act, R.S.O. 1990, c. L.12 apply to legal cases involving defamation.