A judge's associate is an individual who provides assistance to a judge or court.
In Australia, a judge's associate (not to be confused with a tipstaff) is a recent law graduate or lawyer who performs various duties to assist a specific judge, such as legal research, proofreading draft judgments, providing substantive comments to the judge and administrative duties.
In England, a judge's associate is an administrative role. In New Zealand, a judge's associate was a court stenographer.