Horn v Australian Electoral Commission

In the case of Horn v Australian Electoral Commission, the applicant, Mr Horn, sought a declaration that a certain matter was sufficient to ground the jurisdiction of the Court, and he also contested the respondent's assertion that the proceedings were frivolous or vexatious. The court was tasked with determining the appropriate costs order in light of both parties achieving partial success in their arguments. The primary legal issue revolved around whether the proceedings should be considered as public interest litigation, which could potentially affect the costs order. The court also had to assess the degree of success of each party to determine the appropriate costs allocation.

The court, having considered the written submissions on costs, decided not to treat the case as public interest litigation, which would have invoked special considerations in the costs order. The court noted that the case was not "close" in the manner contemplated by the authorities, thus precluding a complete denial of costs to the respondent. The court emphasised that while Mr Horn had achieved some success, the respondent had also made significant arguments that warranted a portion of the costs to be awarded to them. The court concluded that a fair disposition of the matter was for the respondent to receive 60% of the costs, to be taxed if not agreed.

The court's reasoning was based on the general principles of costs following the event, with exceptions where each party has enjoyed some success. The court carefully weighed the arguments and found that the respondent had significant arguments that deserved recognition in the costs order. The court's final order was that the applicant would pay 60% of the respondent's costs, subject to taxation if not agreed. This decision reflects a balanced approach, recognising the partial success of both parties while adhering to the conventional principles of costs allocation.