AI and Law Collide: Mayer Brown's New Play to Overhaul Structured Finance

NEW YORK and LONDON – August 11, 2026 – In a move that signals a significant leap forward for artificial intelligence in high-stakes legal work, international law firm Mayer Brown has announced a strategic arrangement with legal tech innovator Scissero. The partnership introduces an integrated solution designed to automate and streamline the issuance of structured products, a complex and document-intensive corner of the financial world. By combining Mayer Brown’s top-tier legal expertise with Scissero’s AI-powered verification platform, the initiative promises to not only slash costs and time-to-market but also to potentially reshape the very structure of the market itself.

This isn't just another firm adopting a new software tool. It's a deep integration of technology and legal service delivery aimed directly at a major commercial bottleneck. For financial institutions, the journey from designing a structured product to getting it into the hands of investors is fraught with meticulous legal reviews, a process that industry insiders estimate costs issuers over $100 million annually. This collaboration aims to dismantle that bottleneck, piece by piece.

The AI-Powered Engine Room

At the heart of the new offering is Scissero's sophisticated AI platform. Unlike general-purpose AI, Scissero’s technology is purpose-built for the legal intricacies of capital markets. The process starts on a financial institution's own document automation platform. Once a set of transaction documents is generated, Scissero's AI steps in.

Its primary function is not to draft, but to verify. The platform meticulously validates that the system-generated documentation perfectly aligns with pre-approved legal templates and trade parameters. It acts as a digital paralegal with superhuman speed and accuracy, cross-referencing every data point and clause. This provides a critical layer of confidence that allows human lawyers to shift their focus from painstaking manual checks to higher-level oversight and legal judgment.

This approach directly tackles a long-standing issue in legal tech: the “black box” problem. Many lawyers are hesitant to fully trust automated systems whose internal logic is opaque. Scissero’s solution bridges this gap by providing verifiable proof that the output is correct, supporting Mayer Brown’s ability to render its final legal opinion. Underscoring its commitment to robust governance, Scissero is one of the first legal entities globally to be certified to ISO 42001, the international standard for AI management systems, in addition to its ISO 27001 certification for information security.

“Our expertise in structured products, AI and automation enables a genuinely differentiated solution that bridges the gap between document automation and Mayer Brown’s legal review and opinion process,” said Mathias Strasser, Scissero’s CEO. “We’re delighted to be working with Mayer Brown to bring that vision to market.”

Unlocking a Broader Market

The commercial implications of this efficiency gain extend far beyond internal cost savings for large banks. By dramatically lowering the transactional friction and cost per issuance, the partnership paves the way for a potential democratization of the structured products market, which saw approximately $228 billion in sales in the U.S. alone in 2025.

Historically, the high fixed costs of legal review have made it uneconomical to issue products with smaller notional amounts. This has concentrated the market among large institutional players. With a streamlined, lower-cost process, the economic calculus changes. Financial institutions will be empowered to issue more bespoke products tailored to specific distribution channels or even individual investor needs. This could open the market to smaller institutions and wealth managers who were previously priced out, expanding access to a wider base of investors.

This move toward straight-through-processing (STP) has been a long-held goal in the industry, particularly in the U.S., which has lagged behind Europe in this area. By creating a viable path to STP, the Mayer Brown-Scissero arrangement could act as a catalyst, pushing the entire ecosystem toward greater efficiency. While initially focused on U.S. SEC-registered products, the framework is designed to be applicable across jurisdictions and product types, including European offerings and defined outcome products, signaling a global ambition.

Balancing Innovation and Human Oversight

While the technological advance is impressive, the partnership’s true strength may lie in its thoughtful approach to human-machine collaboration. The press release carefully notes the process includes “appropriate human oversight,” a phrase that is becoming a cornerstone of responsible AI implementation in regulated industries.

This isn't about replacing lawyers but augmenting them. The AI handles the high-volume, repetitive verification tasks where human error is a risk, freeing up Mayer Brown's legal experts to apply their experience to strategic analysis, risk assessment, and the ultimate legal judgment required for a formal opinion. The model clarifies accountability: Scissero, itself a regulated legal entity, provides the AI-powered verification, while Mayer Brown, one of the world's most respected law firms in the space, provides the definitive legal opinion.

This hybrid model addresses the critical ethical and regulatory questions surrounding AI in law. It ensures that professional responsibility remains firmly with the human experts, who are now equipped with more powerful tools to perform their due diligence. It creates a framework where innovation can flourish without sacrificing the rigor and accountability that underpin the integrity of financial markets.

“We’re pleased to launch this initiative, which we’re confident will benefit financial institutions, and realize many of the benefits of AI in an area in which the firm has a leading practice and has been known as an innovator,” commented Mayer Brown's Chair, Jon Van Gorp.

By embedding advanced AI into the core of its service delivery for structured products, Mayer Brown is not just optimizing a workflow; it's creating a new blueprint for how legal services can be delivered in a technology-driven world. This strategic arrangement moves beyond the prototype phase of legal AI, demonstrating a clear path from innovation to commercial application and offering a glimpse into the future of financial law.