THE LAW
7 The principles to be applied are well settled.
8 The principles respecting disqualification for apprehended bias represent a balance between two competing policy considerations, namely the maintenance of public confidence in the judicial system, by ensuring that the public perceive that cases are decided only by reference to the evidence before the court, and the need for judges to discharge their duties unless good reason is shown.
9 The apprehension of bias principle is stated in Ebner v The Official Trustee in Bankruptcy (2000) 205 CLR 337 at [6] where Gleeson CJ, McHugh, Gummow and Hayne JJ said (subject to qualifications relating to waiver and necessity):
… a judge is disqualified if a fair-minded lay observer might reasonably apprehend that the judge might not bring an impartial mind to the resolution of the question the judge is required to decide.
10 The question is one of possibility (real and not remote), not probability. If there is an appropriate apprehension of bias, then the judge must disqualify himself or herself, no matter what case management considerations arise in the efficient and effective determination of a proceeding.
11 In Ebner, the majority in the High Court affirmed that the application of this test involves two steps. First, there must be identification of what it is that might lead a judge to decide the particular questions before him or her other than on the merits. Second, having identified the factors or circumstances that might influence a departure from meritorious decision-making, it is "no less important" to articulate the "logical connection" between those factors and the fear that the judge might not apply proper judicial method (that is, merits based decision-making) in resolving the controversy on the facts and the law (at [8]).
12 The mere fact that a judge has made a particular finding on a previous occasion does not necessarily give rise to an apprehension of bias. Nevertheless, in some situations previous findings may lead to disqualification and "what kind of findings will lead to relevant apprehension of bias must depend upon their significance and nature": Gascor v Ellicott [1997] 1 VR 332 at 348 (Ormiston JA); see also at 342 (Tadgell JA with whom Brooking JA agreed); and see Cabcharge at [34].
13 However, as the majority observed in British American Tobacco Australia Services Ltd v Laurie (2011) 242 CLR 283, the lay observer is the "yardstick", and in this regard:
… the lay observer might reasonably apprehend that a judge who has found a state of affairs to exist, or who has come to a clear view about the credit of a witness, may not be inclined to depart from that view in a subsequent case. It is a recognition of human nature (at [139]). (Original emphasis.)
14 The application of these principles does not change merely because a judge expressly acknowledges at the hearing of the first proceeding that different evidence may be led in the later proceeding, casting new light on the facts he or her had found in the previous proceeding. This is assumed to occur in any event. Such an acknowledgment does not necessarily remove the impression created by reading the earlier judgment that the views there stated might influence the determination of the same issue in a later judgment: see Laurie at [145] per Heydon, Kiefel and Bell JJ.
15 These principles must be carefully applied. It has been said that: "… disqualification flows from a reasonable apprehension that the judge might not decide the case impartially, rather than that he will decide the case adversely to a party": Cabcharge at [32]; Re JRL; Ex parte CJL (1986) 161 CLR 342 at 352 (Mason J).
16 Needless to say, disqualification of a judge by reason of prejudgment must be "firmly established": Cabcharge at [25]; Re JRL at 352. Judges should not accede too readily to recusal by reason of apprehended bias.
17 To apply these principles in any given case is a matter of judgment and evaluation depending on the exact circumstances. Undoubtedly, the question of an apprehension of bias requires one to focus on the issues that the judge is called upon to decide - see eg British American Tobacco Australia Ltd v Gordon (2007) NSWSC 109 at [97] per Brereton J. No strict approach should be taken in identifying the legal and factual issues. The issues before a judge sought to be disqualified may well be different in some respects to those issues determined in the earlier proceeding. At the core of the inquiry is an examination of the legal and factual issues on foot and the extent to which previous findings may, in the eyes of the fair-minded lay observer, impact on the judge's ability to decide the matter other than on its merits.
18 Because the test of apprehended bias involves "a fair-minded lay observer" who is observing a judge, the assumed characteristics of each need to be considered.
19 A judge is trained and is required "to discard the irrelevant, the immaterial and the prejudicial": see Vakauta v Kelly (1988) 13 NSWLR 502 at 527 (McHugh JA), adopted in Vakauta v Kelly (1989) 167 CLR 568 at 584-585 (Toohey J); Johnson v Johnson (2000) 201 CLR 488 at [12] (Gleeson CJ, Gaudron, McHugh, Gummow and Hayne JJ); and Laurie at [80] (Gummow J); and at [140] (Heydon, Kiefel and Bell JJ).
20 As to the "reasonable observer", in Laurie at [145], Heydon, Kiefel and Bell JJ affirmed that a reasonable observer would note the possibility of the evidentiary position changing between the previous proceeding and the subsequent proceeding.
21 In R v Burrell (2007) 175 A Crim R 21; [2007] NSWCCA 79 at [11], McClellan CJ at CL (with whom the other members of the New South Wales Court of Criminal Appeal agreed) stated that:
The ordinary fair minded person understands that in the exercise of the judicial function it will be necessary, from time to time, for a judge to reconsider matters which have previously been considered or which may have been pronounced upon by that particular judge.
22 In Sengupta v Holmes [2002] EWCA Civ 1104, at [35]-[37], Laws LJ (Jonathan Parker LJ agreeing) stated that the fair-minded observer would recognise that a professional judge would be capable of departing from an earlier expressed opinion.
23 However, as I have indicated, applying these principles will be a matter of judgment and evaluation in the circumstances. The application of these principles to particular facts in earlier authorities, concerning as they do, the particular circumstances that may or may not have lead a judge to be disqualified, are not to be elevated to the "principles" to be applied. Nor is the application of the principles in any given case to be used as a gloss upon those principles. As the authorities demonstrate, including Laurie, the principles are relatively well established, but in the application of these principles reasonable minds may differ as to the result.
24 It remains to consider the ASIC proceeding, and my findings in that proceeding which are relevant and contested in these proceedings.