In Abbott v Zoetis Australia Pty Ltd (No 2) [2019] FCA 462, a decision handed down last week by Lee J regarding an application for security for costs in a mass-tort class action being conducted on a "no win no fee" basis, his Honour gave an important endorsement to class actions being "self-funded"—that is, funded by the group members. Abbott relates to a vaccine used in horses to treat the Hendra virus. The applicant and group members are owners of horses which are alleged t