| Dunne v. Minister for the Environment [2008] 2 IR 775 | Leading authority on discretion to depart from “costs follow the event”. | Considered; held still good law but clarified by current judgment. |
| Friends of the Irish Environment CLG v. Legal Aid Board [2023] IECA 190 | Questioned conflation of exemption from costs with awarding costs to unsuccessful party. | Used to illustrate evolution of cost jurisprudence. |
| Whitmore v. O’Reilly [1906] 2 IR 357 | Historical breadth of equitable cost discretion. | Background to statutory evolution. |
| Garnett v. Bradley (1878) 3 App Cas 944 | Common-law costs were creatures of statute. | Historical context. |
| Reid, Hewitt & Co v. Joseph [1918] AC 717 | Meaning of “event” and apportionment of issue-based costs. | Cited in historical review. |
| Little v. Dublin United Tramways Co [1929] IR 642 | Continuing force of s. 53 Judicature Act 1877. | Used to question analysis in Bell. |
| Quinn & White v. Stokes [1931] IR 558 | Courts have only statutory, not inherent, cost jurisdiction. | Cited in historical survey. |
| The People (AG) v. Bell [1969] IR 24 | Source of cost jurisdiction in s. 14(2) 1961 Act. | Analysis questioned; compared with earlier case law. |
| Moorview Developments v. First Active [2019] 1 IR 417 | Modern reliance on s. 53 Judicature Act 1877. | Supports view that 1877 Act may still operate. |
| W.L. Construction v. Chawke [2019] IESC 74 | Further modern reliance on s. 53 Judicature Act 1877. | Same as above. |
| Medical Council v. PAO [2004] 2 IR 12 | Rules are principal source of cost jurisdiction. | Cited to show judicial approach pre-LSRA. |
| Veolia Water v. Fingal Co Co (No. 2) [2007] 2 IR 81 | Splitting costs where issues are distinct. | Illustrates flexibility before LSRA. |
| Sherwin v. An Bord Pleanála [2024] IESC 32 | Limits of “complex case” exception for split costs. | Cited in discussion of issue-based costing. |
| ADM Londis plc v. Ranzett Ltd [2014] IEHC 660 | Description of prevailing “winner takes all” practice. | Historical narrative. |
| Roache v. News Group Newspapers [1998] EMLR 161 | “Who really won?” test. | Identified as modern pragmatic approach. |
| Godsil v. Ireland [2015] 4 IR 535 | Articulation of modern cost principles. | Forms baseline pre-LSRA. |
| Lee v. Revenue Commissioners [2021] IECA 114 | No order for costs where litigation caused by unclear legislation. | Used to derive factor concerning statutory uncertainty. |
| ELG v. HSE (No.2) [2022] IESC 26 | Significance of systemic impact in cost decisions. | Cited for relevance of affected class size. |
| Pervaiz v. Minister for Justice [2020] IESC 73 | Need for stateable point of law for exemption. | Formulated necessary condition test. |
| Corcoran v. Commissioner of An Garda Síochána [2021] IEHC 11 | Deterrent effect of costs on access to justice. | Balanced in new framework. |
| Fox v. Minister for Justice [2021] IESC 67 | Example of reduced costs award to unsuccessful party. | Illustrative precedent. |
| Sobhy v. Chief Appeals Officer [2022] IESC 16 | Refusal to award costs where issue not sufficiently weighty. | Distinguished. |
| An Taisce v. An Bord Pleanála [2022] IESC 18 | Environmental litigation and costs discretion. | Cited as comparative authority. |
| Right to Know CLG v. Commissioner for Environmental Information [2022] IESC 28 | Limits of public-importance exemption. | Supports new starting position. |
| Mallon v. Minister for Justice [2024] IESC 27 | Costs awarded only in “foundational” cases. | Applied in crafting rare-award test. |
| Smith v. Cunningham [2023] IESC 33 | Costs between private parties after Thirty-Third Amendment. | Distinguished from State litigation. |
| University College Cork v. ESB [2021] IESC 47 | Private-law litigation involving State body. | Used to show default rule still applies. |
| Minister for Communications v. Wymes [2021] IESC 63 | General public importance alone not enough to displace costs rule. | Relied on in final framework. |
| PMcD v. Governor of X Prison [2021] IESC 71 | Partial costs where emergent constitutional issues. | Example of conservative award. |
| Norris v. Attorney General [1984] IR 36 | Fundamental constitutional rights litigation. | One category where costs may be awarded to loser. |
| Roche v. Roche [2010] IESC 10 | Same category as above. | Referential only. |
| Fleming v. Ireland [2013] 2 IR 417 | Same category as above. | Referential only. |
| Horgan v. An Taoiseach [2003] 2 IR 468 | Conspicuous novelty in separation-of-powers litigation. | Forms part of rare-award categories. |
| O’Keefe v. Hickey [2009] IESC 39 | “Test-case” rationale for no-costs orders. | Integrated into factors list. |
| Cork County Council v. Shackleton [2011] 1 IR 485 | Same as above. | Integrated into factors list. |
| MD (A Minor) v. School Board (No. 2) [2024] IESC 18 | Cost differentiation between State and private defendants. | Used in analysis. |
| Crofton Buildings CLG v. An Bord Pleanála [2024] IESC 21 | Same principle as above. | Cited for comparison. |
| LL v. Chief Appeals Officer [2021] IEHC 191 | Earlier authority on s. 317 Social Welfare Act. | Cited to show issue not novel. |
| MN v. SM [2005] 4 IR 461 | Hardship as factor in cost discretion. | Distinguished; hardship alone insufficient. |
| Barlow v. Minister for Communications [2023] IECA 193 | Economic hardship considered with other factors. | Referenced by Appellant. |
| Browne v. Minister for Agriculture [2022] IECA 41 | Same as above. | Referenced. |
| AB v. HSE [2022] IEHC 589 | Hardship factor. | Referenced. |
| Roche v. Teaching Council [2021] IEHC 753 | Hardship factor. | Referenced. |
| EPA v. Deegan [2019] IEHC 778 | Hardship factor. | Referenced. |