| Murphy v. Dublin Corporation [1972] I.R. 215 |
Court, not Executive, decides competing public interests and privilege |
Relied upon to reject the Appellant’s attempt to withhold documents without judicial scrutiny |
| Ambiorix v. Minister for the Environment [1992] 1 I.R. 277 |
Re-affirmation of Murphy; principles governing judicial supremacy in discovery disputes |
Quoted to confirm that no presumption in favour of either competing public interest exists |
| Breathnach v. Ireland (No. 3) [1993] 2 I.R. 458 |
Method of examining documents and resolving privilege |
Cited in outlining the court’s case-by-case approach to in-camera inspection |
| Director of Consumer Affairs v. Sugar Distributors Ltd. [1991] 1 I.R. 225 |
Public-interest privilege in investigative context |
Referenced by Appellant; Court held it did not override discovery here |
| Foley v. Bowden [2003] 2 I.R. 607 |
Scope of public-interest privilege and discovery discretion |
Distinguished; privilege not automatically decisive at disclosure stage |
| McLoughlin v. Aviva Insurance [2012] I.L.R.M. 487 |
Public-interest privilege considerations |
Similar distinction as in Foley |
| Corscadden v. BJN Construction [2007] IEHC 42 |
Refusal of discovery where privilege inevitably succeeds |
Court found inevitability not established in present case |
| Hannon v. Commissioner of Public Works (HC, 4 Apr 2001) |
Prohibition of discovery as a fishing exercise |
Court held Defendant’s request was targeted, not speculative |
| McDonagh v. Sunday Newspapers [2005] 4 I.R. 528 |
Over-breadth in justification-based discovery |
Distinguished on facts; request here was narrow and time-limited |
| Haughey v. Moriarty (HC, 20 Jan 1998) |
Necessity to list privileged documents in affidavit |
Supported requirement that Appellant first disclose before asserting privilege |
| Allied Irish Banks v. Ernst & Whinney [1993] 1 I.R. 375 |
Criteria for third-party discovery: relevance, necessity, non-oppression |
Framework applied by Supreme Court |
| O’Brien v. Minister for Defence [1998] 2 I.L.R.M. 156 |
Particularity required when pleading privilege |
Used to highlight insufficiency of Appellant’s blanket claim |
| Fitzpatrick v. Independent Newspapers [1988] I.R. 132 |
Public-interest claims relating to investigations |
Part of broader discussion of competing interests |
| Stafford v. Revenue Commissioners (SC, 27 Mar 1996) |
Threshold of “relevance” in discovery |
Applied when analysing requested categories |
| Compagnie Financière v. Peruvian Guano (1882) 11 Q.B.D. 55 |
Classic “train of inquiry” test for relevance |
Adopted to hold documents relevant |
| Sterling-Winthrop v. Bayer [1967] I.R. 97 |
Irish application of Peruvian Guano test |
Cited approvingly |
| Ryanair plc v. Aer Rianta [2003] 4 I.R. 264 |
Link between relevance and necessity |
Guided court’s view that necessity followed from relevance |
| Taylor v. Clonmel Healthcare [2004] 1 I.R. 169 |
Same principle as Ryanair |
Reinforced reasoning on necessity |
| Framus Ltd. v. CRH plc [2004] 2 I.R. 20 |
Approach to discovery necessity |
Quoted in necessity analysis |
| Bula Ltd. v. Crowley [1991] 1 I.R. 220 |
Court’s duty to prevent “fishing expeditions” |
Distinguished; request was not exploratory |
| Aquatechnologie Ltd. v. NSAI (SC, 10 Jul 2000) |
Speculation vs. reasonable supposition in discovery |
Referenced while rejecting Appellant’s “fishing” claim |
| Megaleasing U.K. Ltd. v. Barrett [1993] I.L.R.M. 497 |
Actions for discovery distinguished |
Mentioned in context of abuse arguments |
| Doyle v. Garda Commissioner [1999] 1 I.R. 249 |
Scope of actions for discovery |
Referenced for same distinction |
| In re Kevin O’Kelly [1974] 108 I.L.T. 97 |
Confidentiality ≠ Privilege |
Used to question breadth of Appellant’s privilege claim |
| Burke v. Central Independent Television [1994] 2 I.R. 61 |
Same principle as O’Kelly |
Reinforced above point |
| Skeffington v. Rooney [1997] 1 I.R. 22 |
Public-interest privilege & statutory complaint investigations |
Cited illustratively |