A New York appellate court sanctioned attorney Michael Sanders and his firm, the Law Offices of Michael S. Lamonsoff PLLC, after he submitted an appellate brief in a personal-injury case containing fabricated case citations and false quotations apparently generated by an AI research tool. Judges on the Second Department panel caught the fictitious citations during oral argument on May 20, 2026; Sanders acknowledged using AI-assisted research but said he could not recall which tool he had used and had not personally verified the results, violating his firm’s policy requiring review of AI-generated content. On June 26, 2026 the court imposed $10,500 in monetary sanctions — $8,000 against Sanders personally and $2,500 against his firm.