The BGH Truck Cartel Ruling: What It Actually Means for Funders
On 12 May 2026, Germany's Federal Court of Justice (Bundesgerichtshof, or BGH) delivered an important ruling in the truck cartel litigation, one of the largest and most complex aggregated damages actions ever brought before a German court. In KZR 6/24 – Sammelklage-Inkasso, the decision is widely regarded as significant for the future of funded mass claims in Germany, although its practical implications will take time to develop.
The scale of the underlying proceedings was exceptional. The case involved more than 3,000 assignors from 21 countries, relating to approximately 70,000 truck acquisitions and claims valued at around €500 million. The pleadings reportedly ran to tens of thousands of pages. Even after partial withdrawals, the litigation still encompassed a very large number of individual truck purchases. Against that backdrop, it is perhaps unsurprising that the BGH concluded the lower court needed to examine more closely whether the structure of the proceedings remained compatible with the requirements of Germany's legal services framework.
What is more significant for funders are the two areas on which the court focused.
The first is enhanced judicial scrutiny of litigation funding arrangements. The BGH held that the lower court must examine the funding structure to determine whether the terms of the agreement created conflicts of interest capable of impairing the collection service provider’s independence from the claimants it represents. In particular, the court’s reasoning focused on whether aspects of the funding arrangement could interfere with the provider’s ability to act solely in the assignors’ interests, including in relation to settlement decisions. If such conflicts are found, the validity of the underlying assignments could be called into question. The decision appears to be one of the clearest indications to date that the terms of a litigation funding agreement may affect the enforceability of claim assignments in German mass proceedings.
The second is the court's concern about the scale and procedural manageability of highly aggregated claims. The BGH indicated that, even if the assignments themselves are valid, the breadth and complexity of the bundled claims may have exceeded what could be pursued efficiently and fairly in a single proceeding. That aspect of the judgment raises practical questions about how large and diverse claim groups should be structured going forward.
Both conclusions are understandable. Neither, however, provides bright-line rules.
The BGH made clear that excessive aggregation can create legal risk, but it did not establish quantitative thresholds. It also confirmed that funding arrangements may be scrutinised for conflicts of interest, without identifying precisely which contractual provisions are most likely to be problematic. Funders active in Germany must therefore make important decisions about agreement structure, claim group size and due diligence standards without complete certainty as to where the boundaries now lie.
The practical response is relatively clear, even if the precise calibration is not. Claim groups should be built around genuine similarity rather than sheer volume, with close attention to common issues of fact, legal basis, jurisdiction and timing. Due diligence should document the plausibility and consistency of individual claims. Funding agreements should be drafted on the assumption that they may be examined by the court, with particular care given to provisions concerning settlement authority, litigation strategy and the allocation of decision-making rights.
None of these measures is new. They reflect sound underwriting and disciplined case structuring. What the BGH ruling does is underscore the potential consequences of failing to follow them.
There is also a broader point. Unlike legislation, this is case law: it is immediately relevant to pending and future proceedings, but its practical boundaries will be refined only through subsequent cases as defendants invoke the decision in other mass claims and courts apply its reasoning in different factual settings. For funders with capital already deployed in German proceedings, that period of clarification may create additional cost and uncertainty.
The 2024 reforms to Germany's Capital Markets Model Case Act (KapMuG) and the 2026 BGH truck cartel ruling represent two different developments in the country's dispute resolution landscape. The KapMuG reforms introduced new procedural tools with clearer statutory parameters. The truck cartel ruling, by contrast, highlights legal and structural questions that will need to be worked out through future litigation. Both are significant, but the latter is inherently more difficult to plan around.
At Erso Capital, we are actively expanding our investment activity across European jurisdictions, and the BGH ruling lands at a moment when we are carefully navigating exactly the questions it raises. Cross-border mass claims represent a significant and growing opportunity in the European market. They also require a discipline of underwriting that the truck cartel case illustrates with some force.
Our approach has always prioritised claim quality and structural discipline over volume. That means claim groups built around genuine similarity rather than sheer volume, organised around real commonality of claim type, jurisdiction, time period and purchase structure; front-loaded due diligence that documents individual claim assessment; and funding agreements drafted with disclosure in mind from the outset, not as an afterthought. The BGH ruling reinforces rather than changes that approach. But it does sharpen the consequences of departing from it.
The question the ruling raises more broadly, and one we are watching closely as we assess opportunities across Germany and other European civil law jurisdictions, is whether other courts will develop similar doctrines as funded mass claims continue to grow, or whether they will wait for legislative intervention that may be slow to arrive. On current evidence, the courts are not waiting. For funders committed to the European market for the long term, that is not a reason to step back. It is a reason to underwrite with greater care.