"By invoking the rarely used, but highly effective 'I DON'T OWN THIS' defense, he's effectively made himself immune from any kind of proscecution."

A consumer claim for misleading and deceptive conduct brought by 138 Sydney College of the Arts students is ramping up, as Josh Wooller reports.

The University of Sydney today announced the resignation of Professor Barry Spurr in an email to staff, without revealing the terms of his departure.