The Defamation Act 2013 is an Act of the Parliament of the United Kingdom that reformed defamation law in England and Wales. It introduced a serious harm requirement, placed several defences into statutory form, changed the single publication rule, and addressed website operators, peer-reviewed academic material, privilege, jurisdiction, and trial by jury.
The Act applies mainly to England and Wales. Defamation law in Scotland and Northern Ireland has separate features.
Background
Before the Act, defamation law was criticised for high costs, uncertainty, and pressure on free expression. Reform aimed to reduce weak claims, clarify available defences, and give stronger protection to public-interest publication while preserving protection for reputation.
The Act did not abolish defamation as a civil wrong. It changed the threshold and several rules governing when a claim can succeed.
Serious Harm
Section 1 requires a claimant to show that the statement has caused, or is likely to cause, serious harm to their reputation.
For a body that trades for profit, serious harm means serious financial loss or likely serious financial loss. This gives companies and other trading bodies a higher practical threshold than merely showing that a statement was defamatory in tendency.
Truth
Section 2 creates the defence of truth. It replaced the older common law defence known as justification. The defence succeeds if the defendant shows that the imputation conveyed by the statement complained of is substantially true.
The statement does not have to be true in every minor detail. The issue is whether the defamatory sting is substantially true.
Honest Opinion
Section 3 creates the defence of honest opinion. In broad terms, the defendant must show that the statement was a statement of opinion, indicated the basis of that opinion, and could have been held by an honest person on the basis of the facts or privileged material relied on.
The defence can fail if the claimant shows that the defendant did not actually hold the opinion.
Public Interest
Section 4 creates a defence for publication on a matter of public interest. The defendant must show that the statement was, or formed part of, a statement on a matter of public interest and that they reasonably believed publication was in the public interest.
The section replaced the older Reynolds defence. Courts consider all the circumstances while allowing for editorial judgement.
Website Operators
Section 5 provides a defence for website operators in some cases where the operator did not post the statement. The defence is subject to conditions and can be defeated, for example, where the claimant cannot identify the poster, gives a proper notice of complaint, and the operator fails to respond as required by the regulations.
This provision is important for forums, comment sections, and hosting platforms, but it is not blanket immunity.
Single Publication Rule
Section 8 introduced a single publication rule. Where the same publisher publishes substantially the same material again, the limitation period generally runs from the date of first publication rather than restarting with every later access.
This was particularly important for archived online material.
Jurisdiction and Jury Trial
Section 9 restricts actions against people not domiciled in the UK, EU, or Lugano Convention states unless England and Wales is clearly the most appropriate place to bring the claim.
Section 11 removed the presumption that defamation cases are tried by jury. Most defamation trials are now heard by a judge alone unless the court orders otherwise.
Practical Examples
Serious Harm
A trivial insult that causes no serious reputational harm is less likely to pass the section 1 threshold.
Company Claim
A trading company must show serious financial loss or likely serious financial loss, not merely hurt feelings or general criticism.
Public Interest Reporting
A journalist reports on a matter of public concern and reasonably believes publication is in the public interest. Section 4 may be central if the report is sued over.
Forum Post
A user posts a defamatory comment on a website. The operator's position depends on whether it posted the statement, whether it can identify the poster, whether a valid complaint is made, and whether the statutory process is followed.
See Also
References
Discussion log
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