In Hong Leong Bank Bhd v Staghorn Sdn Bhd & Other Appeals [2008] 2 CLJ 121, the Federal Court considered the purpose and limits of O 15 r 6. The Federal Court explained that the entire language of O 15 r 6(2)(b) demonstrates that joinder is intended to achieve a “comprehensive and global resolution” of an existing cause or matter. Abdul Hamid Mohamad CJ, in delivering the decision of the Federal Court, held: “[114] Now the issue of jurisdiction under O. 15 r. 6 does not hang upon the words “At any stage of the proceedings” alone. It is not those words only that indicate that an order for the addition of a party in a cause of matter under r. 6(2)(b) is to be made only in a cause or matter that is extant and alive. The entire wording of para. (b) also so indicates, and with greater force. It shows that the addition of a party is intended to achieve a comprehensive and global resolution of the cause or matter. The wording looks to the future outcome of the cause or matter. The addition of the party to be added is a contribution to the future outcome. It follows from the entire wording of para. (b), even without the words “At any stage of the proceedings”, that the addition of a party can only be made in a cause or matter that has not been concluded and brought to an end. The wording of para. (b) would not enable a person to come in and be added as a party to undo what has already been done or decided in a cause or matter. It seemed to me therefore that when this court excluded the issue of jurisdiction under O. 15 r. 6 from the consideration of the Court of Appeal, while asking it to consider the question of the exercise of the court’s discretion, this court could not have intended that the question of discretion be considered within the terms of O. r. 6(2)(b). Once the question of jurisdiction under O. 15 r. 6(2)(b) is excluded, there will be nothing left in the wording of r. 6(2)(b) to be considered in relation to the question of the exercise of the court’s discretion. It was as if this court was saying that the question whether Staghorn, in the exercise of the court’s discretion, ought or ought not to be allowed to come in to have the order for sale and the auction sale set aside ought not to be considered within the confines of O. 15 r. 6(2)(b), which would amount to saying that Staghorn’s application to “intervene” ought not be considered strictly as an application to be added as a party under O. 15 r. 6(2)(b), but simply as an application at large to be allowed to come in to undo what had already been done in the originating summons proceedings, that is to say, to have the order for sale that had been made and perfected and the auction sale that had been completed, set aside”. 12 37. The Federal Court stressed that the provision looks towards the future determination of the action. The addition of the proposed party must contribute to the proper outcome of the existing proceedings, and referred to the statutory expression that the presence of the proposed party must be necessary so that all matters in dispute may be “effectually and completely determined and adjudicated upon”.