Civil proceedings; duties of attorneys and legal advisor; duties concerning exhibits believed to be false, misleading, or manipulated; sanctions or disciplinary action; effective date.

HB 4348 requires Oklahoma attorneys to verify the authenticity of evidence before presenting it in civil cases, including evidence generated or altered by artificial intelligence. It mandates that attorneys disclose if they know or should reasonably know evidence is false, misleading, or manipulated - such as AI-generated content - and prohibits knowingly using such evidence without disclosure. The bill also adds procedures for courts to address concerns about exhibit authenticity during pretrial conferences. These changes directly affect attorneys and legal advisors handling civil cases in Oklahoma courts, effective November 1, 2026. Violations could lead to court sanctions or disciplinary action by the Oklahoma Supreme Court.