Summary of Judgment — Commercial Court

Factual and Procedural Background

The Plaintiff (Company A), a property developer, sued the Defendant (Company B), a ready-mix concrete supplier, for losses asserted to be circa €14 million arising from alleged defective concrete supplied for the construction of an office development at [Number] Main Street in The City. Company A alleges the concrete supplied by Company B to Company C (the Original Contractor) was of insufficient compressive strength and required removal and replacement, causing delay and loss.

Company A originally pleaded negligence and subsequently obtained leave to amend its Statement of Claim to include claims of deceit and/or fraudulent misrepresentation based principally on an expert report of Attorney Robery (a forensic engineer). Company B filed an Amended Defence denying liability and, in the alternative, pleading that any diminution in compressive strength was caused by the acts or omissions of others (including Company C and the Design Team), amounting to a novus actus interveniens.

Company A sought discovery from Company B of a limited category of documents (Category 6[b]) described as all documents evidencing or recording complaints, claims or disputes made to Company B between 1 January 2022 and 31 December 2023 alleging that concrete supplied by Company B was of insufficient compressive strength or otherwise unfit for purpose. Company B refused discovery of that category as irrelevant, contending complaints about concrete supplied to third parties are not determinative of the quality of concrete supplied to Company A.

The application before Judge Twomey concerned whether discovery should be ordered for Category 6(b).

Legal Issues Presented

1. Whether the documents in Category 6(b) (third-party complaints about understrength or unfit concrete supplied by Company B during 1 January 2022 to 31 December 2023) are relevant for the purposes of discovery in proceedings brought by Company A against Company B.
2. Whether the fact that Company A has pleaded fraud (deceit/fraudulent misrepresentation) affects the scope of discovery and entitles Company A to greater latitude in obtaining discovery of third-party complaints.
3. Whether Company B's pleading that any diminution in strength was caused by acts/omissions of others limits the relevance of third-party complaints in respect of concrete supplied to those third parties.

Arguments of the Parties

Plaintiff's Arguments

• Company A seeks discovery of Category 6(b) because it is aware of three complaints that it contends are of the same character as its own claim and those complaints are in Company B's possession or power.
• Company A contends that, where fraud is alleged, a less strict regime applies to discovery because fraud is often clandestine and the claimant may not be able to particularise all aspects of the fraud prior to disclosure.
• Company A relies on its expert (Attorney Robery) who opines that unapproved changes were made to mixes and that some orders recorded as one mix appeared to have been supplied as another, supporting the contention that third-party complaints may reveal patterns or corroboration of deliberate alteration.

Defendant's Arguments

• Company B refused Category 6(b) on the basis that these proceedings concern whether the concrete supplied for the Works (to Company A) was defective; complaints about concrete supplied to others are irrelevant to whether the concrete supplied to Company A was defective.
• Company B emphasises that Company A has not pleaded systemic failure and that several of the particular third-party complaints identified by Company A do not, on Company B's account, concern defective concrete supplied by Company B.
• Company B also raised confidentiality concerns about disclosing complaints involving third parties, and argued that the relevance of other complaints depends on the particulars of each matter.

Table of Precedents Cited

Precedent	Rule or Principle Cited For	Application by the Court
O'Brien v Red Flag Consulting Limited [2021] IECA 172	Definition of relevance for discovery: a document is relevant if it may reasonably form the basis of a line of enquiry which may advance the seeker's case and/or weaken the case of the party against whom it is sought; relevance is determined by reference to the pleadings.	The Court applied this formulation as the starting point for relevance and emphasised that the pleadings frame the scope of discovery.
Tobin v Minister for Defence [2020] 1 I.R. 211	Relevance for discovery is determined by the pleadings; parties expand the scope of issues by the manner of their pleading.	The Court relied on the authority to underscore that a defendant who pleads extensive defences must accept that the scope of discovery may be expanded.
VLM Limited v Xerox (Ireland) Limited [2005] IEHC 46	Third-party complaints about other items may be relevant where the defence blames the plaintiff or its agents, because such complaints could weaken the defendant's claim that the plaintiff/agent caused the loss.	The Court treated VLM as particularly analogous: because Company B pleads that others caused the diminution in strength, third-party complaints may be relevant to weaken that defence.
National Educational Welfare Board v Ryan [2008] 2 I.R. 816	When fraud is alleged, plaintiffs may not be able to particularise fully prior to discovery; a balance must be struck to avoid a Catch-22 whereby alleged fraud cannot be proved due to lack of discovery.	The Court invoked this principle to justify giving Company A greater latitude in discovery where fraud is pleaded and supported by some evidence.
Kearney v J & E Davy & Ors [2022] IEHC 95	Reiterates that greater latitude is afforded to plaintiffs in fraud cases in particularising claims prior to discovery than in non-fraud cases.	The Court cited the case to support the proposition that discovery in fraud cases can be broader to avoid concealing aspects of fraud.
Word Perfect Translation Services Ltd v Minister for Public Expenditure and Reform [2020] IESC 56; [2023] IECA 189	Confidentiality of documents is not, of itself, a reason to refuse disclosure; the court may impose protective measures and parties have an onus to avoid inefficient use of court resources.	The Court noted that confidentiality concerns raised by Company B do not automatically prevent discovery and that protective measures can be employed; the judgment also informed the case management direction given.
Ambriox Ltd v Minister for the Environment (No.1) [1992] 1 I.R. 277	Implied undertakings and the court's power to impose confidentiality measures in relation to discovered documents.	The Court referenced the principle that confidentiality can be protected by court measures if required.
Company A v Company B [2024] IEHC 257 and Company A v Company B [2025] IEHC 46	Earlier interlocutory rulings in the same litigation: grant of security for costs; permission to amend the Statement of Claim to plead deceit/fraudulent misrepresentation.	The Court relied on Judge Barrett's prior findings that the proposed amendments were "clear and precise" and that there was more than a bald allegation of fraud, supporting the view that discovery latitude was appropriate.

Court's Reasoning and Analysis

The Court began from the settled principle that relevance for discovery is determined by reference to the pleadings (O'Brien and Tobin). The key inquiry was whether documents evidencing third-party complaints about Company B's concrete (Category 6[b]) could reasonably form the basis of a line of enquiry that would advance Company A's case and/or weaken Company B's defence.

The Court made a series of discrete findings and observations:

1. The Amended Defence did not only traverse Company A's case; it positively pleaded, in the alternative, that any diminution in compressive strength was caused by acts or omissions of others (Company C, the Design Team, or others), which, if established, would constitute a novus actus interveniens. Because Company B has thus placed the conduct of third parties at issue, evidence that similar problems arose in respect of other supplies could have the potential to weaken or undermine Company B's pleaded defence that the problem was caused by others.
2. The VLM decision was directly analogous: where a defendant blames the plaintiff or its agents, complaints about other instances can be relevant because they may make it less likely that the blame lies with the plaintiff/agent. The Court applied that reasoning and concluded that third-party complaints could, in principle, damage Company B's defence.
3. The fact that Company A has amended its claim to include deceit/fraudulent misrepresentation changes the discovery calculus. The Court applied the authorities (National Educational Welfare Board; Kearney) that explain the Catch-22 in fraud cases and permit greater latitude in discovery where the plaintiff provides more than a bare allegation of fraud and there is some supporting evidence.
4. Company A adduced evidence beyond bare assertion: Attorney Robery's expert report expressed opinions about unapproved changes to mixes, mismatching of ordered and supplied mixes, and the possible use of substitute materials. The Court considered this to be sufficient evidence so that a degree of latitude in permitting discovery was appropriate.
5. Practical limitations on the scope of discovery were noted and applied: the request was for a restricted time period (1 January 2022 to 31 December 2023) and for complaints specifically alleging insufficient compressive strength or being otherwise unfit for purpose. The Court emphasised that the application was not a general fishing expedition but a targeted request linked to three specific complaints of the same character identified by Company A, which Company B did not deny existed.
6. Confidentiality of third-party material, and the potential prejudice to third parties, was considered but rejected as a standalone reason to refuse disclosure. The Court noted established principles that confidentiality can be managed by protective orders where appropriate (Word Perfect; Ambriox).
7. The Court expressly rejected Company B's argument that absence of a pleaded systemic failure by Company A rendered the requested discovery irrelevant. The Court held that systemic failure need not be pleaded for such complaints to be relevant where fraud is alleged and the defence blames third parties.

On balance, taking into account the manner of Company B's pleading, the targeted scope and time period of the request, and the supporting expert evidence relied upon by Company A, the Court concluded that the requested Category 6(b) documents were relevant and should be discovered.

Holding and Implications

DISCOVERY ORDERED

Holding: The Court ordered that Company B make discovery of the limited category of third-party complaints described in Category 6(b) (complaints about insufficient compressive strength or otherwise unfit concrete supplied by Company B during 1 January 2022 to 31 December 2023), on the basis that such documents are relevant to the issues between the parties in light of:

• the terms of Company B's Amended Defence (which blames acts/omissions of others); and
• the latitude afforded to discovery in fraud cases where the claimant has provided some evidential basis for the allegation.

Implications:

• The direct effect is that Company B must discover documents within the defined Category 6(b) scope, subject to any protective measures the parties agree or the Court orders to protect confidentiality.
• No broader finding of systemic failure was made; the Court noted that Company A is not advancing a pleaded case of systemic market-wide failure and that the discovery ordered is limited in scope and time.
• The Court scheduled a provisional mention to deal with final orders and costs, but granted the parties liberty to notify the Registrar if a listing proved unnecessary, encouraging efficient case management.
• This order does not purport to establish a new legal principle beyond applying established discovery law: relevance is determined by pleadings, a defendant's broad pleading may expand discovery, and fraud allegations supported by evidence justify greater discovery latitude. The decision applied those principles to the facts and ordering a limited discovery accordingly.

Judge Twomey delivered the judgment.