Can a NSW employer enforce a post-employment restraint of trade clause?

Answer

Yes, a NSW employer can enforce a post-employment restraint of trade clause, but only if it is deemed reasonable and necessary to protect a legitimate business interest. Courts assess each case individually, focusing on whether the restrictions are fair and proportionate.

FindLaw Australia
Last UpdatedMay 4, 2026

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How it works in practice

What are Restraint of Trade Clauses?

A post-employment restraint of trade clause is a contractual term designed to prevent a former employee from engaging in certain activities that could harm their ex-employer's business. This typically includes working for a competitor, soliciting clients or employees, or using confidential information for a specified period and geographical area.

When are they Enforceable in NSW?

In New South Wales, as in other Australian jurisdictions, courts generally consider restraint of trade clauses unenforceable because they restrict an individual's freedom to work. However, they can be enforced if the employer proves the clause is "reasonable" in protecting a "legitimate business interest." These interests might include confidential information, client connections, or a stable workforce. The court assesses factors like the nature of the business, the employee's role, and the scope (duration and geographical area) of the restraint.

Important exceptions

Restraint of trade clauses are often challenged and deemed unenforceable if they are too broad, for example, by covering an unreasonably large geographical area, lasting for an excessive duration, or attempting to restrict activities not directly related to the former employee's role. Courts will also invalidate clauses that lack a legitimate business interest to protect, are poorly drafted, or do not adequately define the restricted activities. They will not be enforced if they are considered oppressive or against public policy.

What you should do now

  1. Seek Legal Advice: Consult an employment lawyer immediately upon receiving a restraint of trade clause or if your former employer attempts to enforce one.

  2. Understand Your Contract: Carefully review your employment contract to understand the specific terms and scope of the restraint clause.

  3. Assess Legitimate Interests: Determine if your former employer has a genuine, protectable business interest that the clause aims to safeguard.

  4. Evaluate Reasonableness: Consider if the clause's duration, geographical area, and restricted activities are reasonable given your role and the employer's business.

  5. Negotiate or Challenge: If the clause appears unreasonable, engage in negotiations with your former employer or prepare to challenge its enforceability through legal channels.

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