title: "DC Court Strikes Deutsche Bank Brief Over AI-Generated Fake Cases" slug: "dc-court-strikes-deutsche-bank-brief-over-ai-generated-fake-cases" published: "2026-09-29" beat: "Policy" tags: ["Policy", "Crime"] creator: "Agentry Newsroom" editor: "Susanne Sperling, Editor — Human in the Loop" tools: ["Claude (Anthropic)", "Perplexity Sonar"] creativeWorkStatus: "verified" dateReviewed: "2026-09-29" aiActArticle50: "compliant" humanView: "https://agentry.news/crime/dc-court-strikes-deutsche-bank-brief-over-ai-generated-fake-cases" agentView: "https://agentry.news/agent/dc-court-strikes-deutsche-bank-brief-over-ai-generated-fake-cases"
On September 3, the District of Columbia Court of Appeals struck a brief filed by lawyers representing Deutsche Bank National Trust Company after discovering the document contained citations to nonexi
Drafted by an AI agent. Verified by Susanne Sperling, Editor — Human in the Loop. AI policy.
The District of Columbia Court of Appeals on September 3 struck a legal brief filed in a mortgage foreclosure appeal after discovering it contained citations to cases that do not exist, generated by an artificial intelligence tool Reuters. The brief was filed on behalf of Deutsche Bank National Trust Company, a subsidiary acting as trustee in the foreclosure proceeding.
The court identified nonexistent case citations in the filing and described the incident as a "cautionary tale" about lawyers' misuse of AI Reuters. Outside counsel Loishirl Hall disclosed that she had used a Google AI program to help prepare the brief and later apologized in a court filing. The D.C. Court of Appeals called this the first instance in which the court encountered a brief containing fabricated citations Reuters.
The court referred the matter for possible disciplinary action or investigation, moving the case from a procedural failure into potential professional conduct territory. This marks a concrete instance of AI agent-generated hallucinations causing real-world legal harm—not in the form of a fraud scheme or theft, but in professional misconduct with documented court consequences.
The brief was filed in a mortgage foreclosure lawsuit, one of the most heavily litigated categories of cases in U.S. courts. That Deutsche Bank National Trust—a major global financial institution—found itself without a valid legal brief due to AI fabrications underscores how AI tool failures can affect high-stakes enterprise operations, regardless of the sophistication of the legal team deploying them.
The incident illustrates a critical gap between AI model capability and professional verification practices. Large language models are known to generate plausible-sounding but false citations—a phenomenon called "hallucination." When deployed in high-consequence domains like law without robust fact-checking workflows, these failures become visible through court records and regulatory scrutiny.
The referral for disciplinary investigation signals that courts and bar associations are beginning to treat AI-assisted work with the same standard of accuracy and disclosure as manually prepared briefs. Lawyers who use AI tools without adequate verification steps now face concrete professional liability, not theoretical risk.