Waiver
19 A person who would otherwise be entitled to the benefit of legal advice privilege may waive that privilege: Mann v Carnell (1999) 201 CLR 1 at [28], per Gleeson CJ, Gaudron, Gummow and Callinan JJ. The test revolves around whether there is conduct inconsistent with the maintenance of confidentiality in the legal advice. It does not matter whether the client in whom the privilege rests subjectively intends to waive the privilege. The High Court observed in Mann at [29] (citations omitted):
Waiver may be express or implied. Disputes as to implied waiver usually arise from the need to decide whether particular conduct is inconsistent with the maintenance of the confidentiality which the privilege is intended to protect. When an affirmative answer is given to such a question, it is sometimes said that waiver is "imputed by operation of law". This means that the law recognises the inconsistency and determines its consequences, even though such consequences may not reflect the subjective intention of the party who has lost the privilege … What brings about the waiver is the inconsistency, which the courts, where necessary informed by consideration of fairness, perceive, between the conduct of the client and maintenance of the confidentiality; not some overriding principle of fairness operating at large.
20 Implied waiver of privilege "reflects a judgment that the conduct of the party entitled to the privilege is inconsistent with the maintenance of the confidentiality which the privilege is intended to protect"; that judgment "is to be made in the context and circumstances of the case, and in the light of any considerations of fairness arising from that context": Osland v Secretary, Department of Justice (2008) 234 CLR 275 at [45], per Gleeson CJ, Gummow, Heydon and Kiefel JJ.
21 It is the challenger of the privilege, namely the respondents in the present proceeding, who bears the onus of demonstrating waiver of privilege: Archer at [100]; Australian Competition and Consumer Commission v NSW Ports Operations Hold Co Pty Ltd [2020] FCA 1232 at [153].
22 A limited disclosure of the existence, and the effect, of legal advice may not be inconsistent with maintenance of confidentiality in the terms of the advice; it depends on the circumstances of the case: Mann at [30]-[32]; Osland at [49]. In Osland, the appellant had been convicted and sentenced to imprisonment for murder. After unsuccessful appeals, she petitioned the Governor of Victoria for mercy. The Governor denied the petition. The Attorney-General for Victoria issued a press release stating that he had received a joint advice from three Queen's Counsel recommending that the petition be denied.
23 The High Court observed (citations omitted):
[46] The conduct of the Attorney-General in issuing the press release and including in it certain information about the joint legal advice is to be considered in context, which includes the nature of the matter in respect of which the advice was received, the evident purpose of the Attorney-General in making the disclosure that was made, and the legal and practical consequences of limited rather than complete disclosure.
…
[48] The evident purpose of what was said in the press release was to satisfy the public that due process had been followed in the consideration of the petition, and that the decision was not based on political considerations. The three eminent lawyers who gave the advice were appointed following consultation with the State Opposition. They were external to the Department. Their advice covered all the grounds upon which the petition was based. They recommended denial of the petition. Their advice was carefully considered, and the petition was denied. The Attorney-General was seeking to give the fullest information as to the process that had been followed, no doubt in order to deflect any criticism, while at the same time following the long-standing practice of not giving the reasons for the decision. This did not involve inconsistency; and it involved no unfairness to the appellant. If she had a legal right to reasons for the decision, then she still has it. If she had no such right, the press release did not deprive her of anything to which she was entitled. What the Attorney-General said did not prevent the appellant from making public her petition, or any part of it, as and when she desired.
[49] Whether, in a given context, a limited disclosure of the existence, and the effect, of legal advice is inconsistent with maintaining confidentiality in the terms of advice will depend upon the circumstances of the case. As Tamberlin J said in Nine Films and Television Pty Ltd v Ninox Television Ltd, questions of waiver are matters of fact and degree. It should be added that we are here concerned with the common law principle of waiver, not with the application of s 122 of the Evidence Act 1995 (Cth) which, as was said in Mann v Carnell, has the effect that privilege may be lost in circumstances which are not identical to the circumstances in which privilege may be lost at common law.
[50] The reasoning of Maxwell P was correct.
24 Maxwell P, in the Court of Appeal in in Secretary, Department of Justice v Osland (2007) 95 ALD 380, had made the following remarks (Ashley JA and Bongiorno AJA agreeing):
[27] … The disclosure in question did not occur in the context of litigation. It did not have the effect of unfairly advantaging one party over another. The content of the legal advice was not "put in issue". Nor was it in Carnell. There, although there was litigation on foot between Dr Mann and the ACT Government, the disclosure of the legal advice was unconnected with the respective positions of the parties in the litigation …
[49] Disclosure of the conclusion (or the gist, substance or effect) of legal advice may, or may not, amount to a waiver of privilege in respect of the advice as a whole. Whether it does in a particular case will depend on whether, in the circumstances of the case, the requisite inconsistency exists, between the disclosure on the one hand and the maintenance of confidentiality on the other …
[51] As Carnell demonstrates, the inconsistency test readily accommodates the notion that, in appropriate circumstances, the privilege-holder may disclose the content of legal advice to a third party for a particular purpose without being held to have waived privilege in the advice. Likewise, in my opinion, the test of inconsistency is well capable of accommodating the notion that, in appropriate circumstances, the privilege-holder should be able to disclose publicly that it is acting on advice and what the substance of that advice is, without being at risk of having to disclose the confidential content of the advice.
…
[66] … In the language of Carnell, this was a disclosure "for the purpose of explaining or justifying" the Attorney-General's actions. The purpose was similar to that of the disclosure in Carnell itself, where the Chief Minister wished to satisfy the relevant member of parliament that the ACT Government "had acted responsibly and in accordance with legal advice".
[67] In my opinion, there was no inconsistency between disclosing the fact of, and the conclusions of, the independent advice for that purpose, and wishing to maintain the confidentiality of the advice itself. This was not a case of a party to litigation "deploying" a partial disclosure for forensic advantage, while seeking unfairly to deny the other party an opportunity to see the full text of the privileged communication. Nor was it "the laying open of the confidential communication to necessary scrutiny".
25 Horizon Oil also referred to GMCG, LLC v Agenix Ltd [2007] QSC 309. In GMCG, the question was whether the defendant to the litigation had waived privilege in legal advice by reason of the contents of the following note to a preliminary final ASX report (emphasis added):
Note 9. Contingent liability
Legal dispute over consulting fees
A former consultant of the company has commenced legal proceedings in Australia against the company in relation to the Animal Health business transaction announced 7 April 2006. The consultant is seeking fees of $500,000 plus reimbursement of legal fees plus interest.
The company has received legal advice that it has no liability whatsoever.
If the matter proceeds to trial, the company's potential exposure is estimated at $820,000.
26 Douglas J concluded that there had not been a waiver, because disclosure to shareholders, potential shareholders and creditors "promoted the integrity of the accounts and market transparency … in circumstances where the disclosure has given it no advantage in the litigation": at [17].
27 Both Osland and GMCG reveal that it is relevant to have regard to any divergence of interest between the disclosing party and the interests of the person or persons to whom the disclosure is made.
28 Horizon Oil also referred to College of Law Ltd v Australian National University [2013] FCA 492. There the question was again whether a party to litigation had waived privilege in legal advice by virtue of the following statement made in an agenda paper available to ANU staff and students on the Australian National University (ANU) website:
Advice was received at the end of October from the University Legal Office that the Faculty could proceed to market using the brand name ANU College of Law.
29 Griffiths J concluded that privilege had not been waived. His Honour's reasons for so concluding included that:
(1) the disclosures revealed "very little about the actual content of the legal advices", that is, the disclosure of the bottom line does not necessarily equate to the disclosure of the substance of the advice: at [35], see also: RinRim Pty Ltd v Deutsche Bank Australia Limited [2013] NSWSC 1654 at [44], Banksia Securities Limited v The Trust Company (Nominees) Limited [2017] VSC 583 at [31], Mullett v Nixon [2016] VSC 129 at [33]; and
(2) the purpose of the disclosures was not to secure an advantage to the ANU which had an adverse impact upon the College, but in order to keep interested persons informed of relevant matters while preserving the ANU's entitlement to receive privileged legal advice: at [36]-[37].
30 The respondents relied on Ampolex Ltd v Perpetual Trustee Co Ltd (Canberra) (1996) 40 NSWLR 12, a case which turned on s 122 of the Evidence Act 1995 (NSW) as it then stood. In Osland at [49] (extracted above), the plurality observed that s 122 of the Commonwealth Evidence Act "has the effect that privilege may be lost in circumstances which are not identical to the circumstances in which privilege may be lost at common law". The respondents also relied upon Adelaide Steamship Co Ltd v Spalvins (1998) 81 FCR 360; BT Australasia Pty Ltd v New South Wales (No 7) (1998) 153 ALR 722; NRMA Ltd v Morgan (No 2) [1999] NSWSC 694; Fenwick v Wambo Coal Pty Ltd (No 2) [2011] NSWSC 353. Each of these cases turned on s 122 of the relevant Evidence Act as it stood at the relevant time. That is not to say that the cases are irrelevant. However, it is necessary to appreciate that they each involve the application of a particular statute (as it stood at a particular time) to the particular facts. Section 122(3) as it now stands contains a statutory deeming of when a party is taken to have acted in the inconsistent way required for s 122(2) to permit the adducing of what would otherwise be a privileged communication. This underscores the point made in Osland at [49].
31 The respondents submitted (citations omitted):
16. Horizon is a public company listed on the Australian Stock Exchange (ASX). Consequently, it has an obligation to make announcements to the market "that a reasonable person would expect would have a material effect on the price or value of its securities" (Continuous Disclosure Obligations).
17. Immediately following the publication of the matters complained, Horizon made a number of announcements to the market between February and June 2020 including:
(a) on 10 February 2020 that stated:
"..[.] given the seriousness of the allegations made in the article and that the relevant transaction occurred some nine years ago, HZN's board has today initiated an independent investigation into this matter."
(b) on 12 February 2020, that stated:
"Horizon Oil's board has now established an Independent Board Committee [IBC] to oversee an investigation into the matters which were subject to articles in the Australian Financial Review on 10 and 11 February. Herbert Smith Freehills and Deloitte have been engaged to conduct the investigation".
(c) on 9 June 2020, the important announcement that included the following statements:
(i) Horizon Oil Limited [Horizon or the Company] advises that its investigation into Horizon's payment to acquire an interest in Petroleum Retention Licence 21 [PRL 21] in the Western Province of Papua New Guinea (PNG) in 2011 has now concluded.
(ii) The investigation, which included a forensic review of all aspects of the transaction, was conducted by Herbert Smith Freehills [HSF] and Deloitte with the oversight of an Independent Board Committee [IBC]. Horizon confirms that no breach of any Australian foreign bribery law has been established…
(iii) The 2011 transaction was undertaken to advance Horizon's legitimate business interests in PNG. Horizon confirms that the structure of the transaction and the quantum of the purchase price paid by Horizon was consistent with market practice and comparable to other relevant transactions at the same time. In addition, Horizon confirms that no payments were made in excess of the agreed purchase price and Horizon has no knowledge of any subsequent transfers or transactions made by the counterparties after the purchase price was paid…
18. In making the above announcements, Horizon "knowingly and voluntarily disclosed the substance" (within the meaning of s.122 EA) of the investigation conducted by its lawyers and Deloitte. It may be inferred that a reason for it so doing was to comply with its Continuous Disclosure Obligations. They were making the announcement to achieve an advantage, both commercially and legally.
…
21. The following disclosures were made as a result of the announcements in February 2020 and June 2020:
(a) Horizon intended to conduct a forensic investigation into the 2011 transaction;
(b) Horizon established an independent board committee to oversee that investigation;
(c) Horizon engaged Herbert Smith Freehills and Deloitte to conduct the investigation;
(d) the investigation was conducted and had concluded by June 2020;
(e) the investigation included a forensic review of all aspects of the transaction;
(f) following that investigation, Horizon confirmed that it had not breached any Australian foreign bribery law;
(g) the 2011 transaction was proper. It was undertaken for a proper purpose. It was properly structured, and the purchase price was consistent with market practice. No payments were made in excess of the purchase price. Horizon had no knowledge of any subsequent transfers or transactions following payment of the purchase price.
22. What is clear is that the substance of any advice received by Horizon was disclosed, and that the claims for privilege in respect of the nine remaining documents is lost. General access should be made, including orders permitting the uplift and copying of unredacted versions of the documents.
32 I have earlier observed that the question is not one which turns on s 122 of the Evidence Act. The question turns on whether the conduct of Horizon Oil is inconsistent with the maintenance of the confidentiality which the privilege is intended to protect, a question answered by reference to the context and circumstances of the case, and in the light of any considerations of fairness arising from that context.
33 Horizon Oil was not involved in any litigation involving the respondents. Horizon Oil was not seeking to deploy a disclosure of legal advice for any forensic or other advantage that had an adverse impact on the respondents. Horizon Oil made the ASX announcements in circumstances where it owed continuous disclosure obligations. In the face of serious allegations, and recognising its disclosure obligations, and presumably its obligations more generally, Horizon Oil was seeking to indicate to the market that it had taken appropriate steps and received legal advice. Horizon Oil disclosed that it received advice that it had not breached any Australian foreign bribery law. The interests of Horizon Oil and the market to whom this disclosure was made did not relevantly diverge such that it could be said that Horizon Oil's disclosure was inconsistent with maintenance of confidentiality in the legal advice it had received - see: Kenquist Nominees Pty limited v Campbell (No 5) [2018] FCA 853 at [49].
34 The respondents have not established that there has been a disclosure of the substance of any legal advice apart from the advice that it had not breached any Australian foreign bribery law.
35 I am not satisfied that the disclosure of advice to the effect that Horizon Oil had not breached any Australian foreign bribery law, or the making of the ASX announcements more generally, amounts to conduct which is inconsistent with the maintenance of the confidentiality which legal professional privilege is intended to protect. The respondents have not established that there has been a waiver of privilege in the advice the subject of the documents produced.