17 Secondly, they relied on Brooking JA's analysis in Spincode Pty Ltd v. Look Software Pty Ltd[3], concerning a fiduciary duty of loyalty which prevents a solicitor from acting against a former client in the same or a closely related matter.
18 Finally, they relied upon what was submitted to be the court's inherent jurisdiction to ensure the due administration of justice, as referred to in Grimwade v. Meagher & Ors[4], in Spincode and in Sent. In this context the plaintiffs submitted that the relevant test is whether a fair-minded, reasonably informed member of the public would conclude that the proper administration of justice required that the legal practitioner be prevented from acting.
19 In relation to the issue of confidential information, the plaintiffs contended that it is clear Mr Goldsmith was given instructions by Mr Adam Clark, when acting in his capacity as Adam 12's solicitor, concerning the debt and concerning the statutory demand, and that Mr Goldsmith gave advice in response. The plaintiffs submitted that these matters are relevant to issues in this proceeding, in particular the controversial issue as to the existence of the debt, and the allegation of estoppel.
20 It was submitted on their behalf that there is a danger of misuse, and a sensible possibility that there will be a conflict between Mr Goldsmith's duty of confidentiality and his duty to advance Eat & Drink Holdings' case.
21 In relation to the other grounds, the plaintiffs submitted Mr Goldsmith was acting against his former client in a closely related matter, and that he was himself a potential witness.
22 Eat & Drink Holdings in its written outline contended that Mr Goldsmith did not act for or advise Adam 12 about either the retainer of Ernst & Young (to use an ambiguously neutral expression) or about the statutory demand. It submitted that he acted for Adam 12 in the Federal Court winding-up proceeding, but that the advice given was to Adam Clark, who was the appointor of the Adam Clark Family Trust.
23 Eat & Drink Holdings submitted that whilst Mr Goldsmith drew a draft deed of appointment on Adam Clark's instructions, he had no knowledge of, or involvement in, any transfer of trust property. The written outline on behalf of Eat & Drink Holdings did not make it clear whether it is accepted that Mr Goldsmith has confidential information or not, but what was submitted was that Mr Goldsmith "received no confidential information from Adam 12 Holdings which did not belong equally to the new trustee, Eat & Drink Holdings".
24 In oral submissions, counsel for Eat & Drink Holdings amplified this aspect of the submission. He submitted that there was no true issue here of disclosure of confidential information, as Eat & Drink Holdings and the Clark family were already in possession of all of the information which Mr Goldsmith might have.
25 Eat & Drink Holdings submitted that there is no duty of loyalty to a former client, as suggested in Spincode, in New South Wales, and that Goldsmiths' conduct should be assessed by reference to the law in that state. It submitted that the relevant test in New South Wales is based upon the risk of disclosure of the former client's confidential information alone. In this respect, the decision of Bergin J in Asia Pacific Telecommunications Ltd v. Optus Networks Pty Ltd[5], was relied upon, together with the two decisions of Young CJ, in Equity, cited in that decision.
26 The outline of contentions filed on behalf of Eat & Drink Holdings also submitted that "in reality" Mr Goldsmith has continued to act for the trustee of the Adam Clark Family Trust throughout, and that there has been no relevant "changing of sides".