A Federal Disclosure Standard, Pennsylvania's New Proposal, and the $23 Billion Litigation Finance Market Entering Its Regulatory Phase

Litigation finance has spent the past decade growing from a specialist niche into a market that Research Nester now estimates at $23.5 billion for 2026, on a trajectory toward $51 billion by 2036. That growth has been powered by institutional capital, expanding use cases, and a legal system that increasingly treats third-party funding as a normal component of dispute strategy. But 2026 is shaping up as the year the regulatory infrastructure catches up with the capital.

Three disclosure proposals, operating at different levels of the legal system, are now converging on a single principle: if outside money is funding a lawsuit, the court and opposing parties should know about it from the start.

The federal push: amending Rule 26.

On March 10, the U.S. Chamber Institute for Legal Reform and Lawyers for Civil Justice filed a joint proposal with the Federal Civil Rules Advisory Committee to amend Rule 26(a)(1)(A) of the Federal Rules of Civil Procedure. The proposed amendment would require parties to disclose, as part of their initial disclosures at the start of every federal civil case, the identity of any nonparty funder with a financial interest in the litigation and to produce the underlying funding agreements for inspection.

The proposal is modeled on existing local rules like the Northern District of California's Local Rule 3-15, which already requires similar disclosure. The argument for a uniform federal standard is straightforward: without one, disclosure obligations vary by jurisdiction, creating what the proponents call a "textbook rules problem" where identical funding arrangements face different treatment depending on where the case is filed.

For researchers studying the litigation finance market, this proposal matters because it would create the first systematic, nationwide dataset on who is funding what. Currently, even basic questions about funder concentration, case type distribution, and average funding amounts require patchwork estimates. A uniform disclosure rule would change that.

The foreign-funder dimension: Grassley's Transparency Act.

Running parallel to the Rule 26 proposal is Senator Chuck Grassley's Litigation Funding Transparency Act of 2026, introduced in February. The bill targets a specific subset of the disclosure problem: foreign involvement in U.S. litigation. It applies to class actions, multidistrict litigation, and large coordinated federal proceedings involving 100 or more cases.

The bill goes further than simple identification. It requires parties to state whether a funder is a foreign state, sovereign wealth fund, or commercial enterprise controlled by a foreign entity. Funding agreements must be filed with the court and transmitted to the Administrative Office of the United States Courts, which would publish updates every 120 days identifying foreign funders, the cases they appear in, and the amounts provided.

The national security angle is not theoretical. The Department of Justice's FARA Unit identified foreign-funded litigation as a priority enforcement area in 2023, and in June 2024 issued an advisory opinion concluding that a U.S. law firm receiving funding from a foreign organization to pursue impact litigation was required to register under the Foreign Agents Registration Act. The Grassley bill would codify this scrutiny into a permanent disclosure architecture.

State-level action: Pennsylvania's rulemaking.

While federal proposals move through committee, Pennsylvania is moving faster. The Civil Procedural Rules Committee of the Pennsylvania Supreme Court has issued a formal notice of rulemaking to implement a Third-Party Litigation Funding Rule requiring production of TPLF documents during discovery. The public comment period closes April 22, 2026.

Pennsylvania's approach adds to a growing list of state-level disclosure requirements, joining jurisdictions that have adopted similar rules over the past three years. For the litigation finance industry, state-level rules create both compliance costs and a patchwork effect that strengthens the case for federal standardization.

What elevated bankruptcy filings mean for the funding market.

The disclosure debate is playing out against a backdrop of sustained distressed-asset activity. Business bankruptcy filings rose nearly 20% year-over-year in both Q1 2024 and March 2025, and Capstone Partners projects that elevated filing levels will continue through at least the first half of 2026. The most exposed sectors include consumer discretionary (retail, casual dining), real estate, healthcare, and non-bank finance.

For the litigation finance market, rising bankruptcies create a dual effect. On one side, they generate a larger pipeline of claims and disputes that require funding, from creditor litigation to preference actions to fraudulent transfer suits. On the other, they put pressure on existing funded cases where defendants enter bankruptcy, potentially delaying recovery timelines and complicating enforcement.

Wolters Kluwer's 2026 guidance emphasizes that creditors should prepare for increased UCC priority disputes and proactive lien management. In this environment, litigation funders who can underwrite the complexity of bankruptcy-adjacent claims have a structural advantage, while those focused on simpler commercial disputes may face longer resolution timelines as court dockets expand.

Appellate monetization: the emerging product.

One of the less-discussed but fastest-growing segments within litigation finance is appellate monetization funding. GLS Capital reports a significant increase in inquiries for this product through 2025 and into 2026. The mechanics are instructive: a litigant who wins a trial verdict but faces appellate risk can monetize a portion of the judgment immediately through a funder. If the verdict is reversed on appeal, the litigant keeps the funded amount.

This product has gained traction partly because judgment preservation insurance, the traditional mechanism for protecting trial verdicts, has become less available. Liberty Mutual and other insurers have pulled back from JPI offerings after suffering losses on appellate reversals, most notably the Fifth Circuit's 2024 reversal of a $1.6 billion verdict in BMC Software v. IBM. The gap left by shrinking JPI availability is being filled by litigation funders willing to price appellate risk directly.

The institutional maturation pattern.

Chambers' 2026 Litigation Funding guide captures the broader arc: funding has moved from experimentation to institutional embedding. It is now treated as part of ordinary dispute planning alongside insurance, settlement strategy, and balance-sheet management. Fenchurch Legal's outlook reinforces this, noting that litigation finance is converging with private credit markets, with growing emphasis on governance, transparency, and risk management frameworks.

The convergence of regulatory proposals, rising case volumes, and product innovation points toward a market that is simultaneously growing and professionalizing. For researchers tracking alternative investment structures, litigation finance in 2026 offers a case study in how a capital market transitions from an opaque, relationship-driven model to one defined by disclosure standards, institutional governance, and regulatory alignment.

These dynamics are central to the litigation finance and distressed-asset research we publish at AdValorem. Understanding the regulatory trajectory, the structural shifts in the funding market, and the interplay between bankruptcy activity and litigation capital is essential context for anyone studying alternative investment instruments.