This Practice Note provides general guidance for practitioners that may be new to advocacy in international arbitration, including some practical tips both for an advocate’s preparation and for conducting advocacy at a hearing. While the importance of written advocacy cannot be understated, this Practice Note focuses primarily on oral advocacy. The Practice Note considers the use of advocacy in arbitration, the fundamental purpose of advocacy, presentation style, tailoring your presentation to the tribunal, conducting oral advocacy and the ethics of advocacy. This Practice Note provides guidance on oral advocacy as part of in-person and remote or online hearings.