Gen AI in Court: How an Artificial Intelligence Lawsuit and New NSW Rules Change Litigation Strategy

Author : Hyper Counsel | Published On : 15 Aug 2026

Gen AI in Court: How an Artificial Intelligence Lawsuit and New NSW Rules Change Litigation Strategy Navigating the complexities of modern court proceedings is increasingly difficult as generative technology collides with traditional evidentiary standards. Any attorney handling an active artificial intelligence lawsuit or utilizing advanced tools during trial preparation must understand that Australian courts are clamping down on unverified AI outputs. According to the Law Society of NSW, 14% of Australian law firms reported using generative AI in litigation by early 2025, with 62% expecting to increase usage by 2026 despite new court restrictions . This rapid adoption has forced judicial bodies to implement strict guidelines to prevent ethical lapses and data breaches. To safeguard your practice from systemic litigation risks, a clear grasp of both state-level bans and federal rules is essential. Implementing an enterprise-grade solution like HyperCounsel can help you scale your operational compliance while streamlining complex litigation workflows. Table of Contents Quick Summary NSW Supreme Court Rules: Practice Note SC Gen 23 Applying for Court Leave: Key Requirements Evaluating Misconduct Risks and Liability NSW Supreme Court vs. Federal Court Approaches Permitted Uses of AI in Litigation Practice Confidentiality and System Security Requirements Step-by-Step AI Compliance Checklist Take the Next Step with HyperCounsel Frequently Asked Questions Recommended Quick Summary Takeaway Explanation NSW Default Ban Practice Note SC Gen 23 bans Gen AI for expert reports without prior court leave. Federal Court Rules GPN-AI permits AI in expert reports but mandates transparent disclosure. Misconduct Risks Unverified AI inputs can result in severe adverse cost orders and ethical violations. Allowed Practices AI remains highly effective for internal tasks like summarizing transcripts or formatting notes. Data Protection Security rules prohibit entering non-public court evidence into open-source AI tools. NSW Supreme Court Rules: Practice Note SC Gen 23 The New South Wales Supreme Court has established one of the country's most conservative positions on legal technology. Under Practice Note SC Gen 23 , there is a blanket prohibition on using generative artificial intelligence to draft, prepare, or refine the contents of expert reports without prior leave of the court. This strict framework clarifies that expert witness evidence must reflect the independent, unassisted professional opinion of the nominated expert. The rule prevents the subtle distortive effects that generative tools can introduce into written expert testimony. If an expert relies on AI-assisted analysis without obtaining court leave first, the entire evidentiary submission may be ruled inadmissible, threatening the survival of your client's case. Applying for Court Leave: Key Requirements If your litigation team or expert witnesses must use generative platforms to prepare evidence, you must proactively apply for court leave. This process requires a formal, comprehensive application detail highlighting key software parameters. The court expects leave applications to include: Software Specifics : The exact make, version, and model of the generative platform used. Workflow Justification : Clear documentation of the benefits and efficiencies gained. Input Tracking : A detailed list of all source documents and prompt templates submitted to the generator. Disclosure Protocol : A draft copy of the disclosure statement showing how the final report will inform the court of the software's involvement. Evaluating Misconduct Risks and Liability Using unverified AI tools introduces severe professional risks for litigation practitioners. In the high-stakes environment of an artificial intelligence lawsuit, a single hallucinated citation can lead to devastating reputational damage and personal liability. [Unverified AI Output] ---> [Hallucinated Citations/Arguments] ---> [Judicial Adversity & Audits] ---> [Adverse Costs Orders & Professional Misconduct Charges] Australian courts have made it clear that attorneys have an non-delegable duty to verify the accuracy of all legal submissions. Failing to verify AI-generated authorities can result in severe adverse costs orders and referrals to state disciplinary bodies. To mitigate these liability risks, litigation leaders are turning to secure, validated administrative architectures. Platforms powered by HyperCounsel assist firms in establishing reliable audit trails and keeping litigation workloads completely isolated from public databases. NSW Supreme Court vs. Federal Court Approaches The Australian legal landscape features a patchwork of rules across jurisdictions. The biggest operational contrast exists between the NSW Supreme Court and the Federal Court of Australia. The Federal Court’s GPN-AI Guidelines allow generative engine usage without prior leave, provided litigation teams maintain complete transparency and rigorous accuracy checks. Feature Protocol NSW Supreme Court (SC Gen 23) Federal Court of Australia (GPN-AI) Default Stance Blanket prohibition on Gen AI for expert report preparation. General permission allowed, provided disclosure protocols are met. Prior Leave Requirement Yes, mandatory court leave required before generating expert report content. No prior leave required, though mandatory disclosures apply. Disclosure Scope Extensive details on tools, raw prompts, and verified outputs. Standardized disclosure of engine parameters and accuracy validation. Data Sanctions High risk of inadmissibility and striking of reports for non-compliance. Mandatory verification with potential cost penalties for inaccuracies. Permitted Uses of AI in Litigation Practice Despite strict prohibitions on drafting expert evidence, Australian courts do not isolate law firms from technological advancement. Generative tools can be utilized for administrative and operational litigation tasks. Permitted AI operations include: Generating Chronologies : Summarizing complex legal events from chronological transcripts. Transcript Summarization : Creating clear executive overviews of multi-day deposition transcripts. Document Formatting : Standardizing and styling internal advisory documents and metadata notes. However, the final output must represent the independent judgment of the qualified legal practitioner. Incorporating verified, secure legal automation systems like HyperCounsel ensures that these permitted exercises never cross into restricted territory. Confidentiality and System Security Requirements Maintaining client confidentiality is paramount during any litigation process. A major concern when utilizing third-party generative systems is the risk of exposing protected client information. Inputting court-protected evidence or non-public financial documents into an open-source AI platform is a direct violation of statutory confidentiality obligations. Legal practitioners must only utilize secure closed-loop systems that guarantee data is never used to train external public models. Enterprise solutions secured through HyperCounsel are built with defense-grade security protocols, ensuring that your firm's sensitive information remains strictly confidential. Step-by-Step AI Compliance Checklist To protect your practice from compliance failures and adverse costs, implement this standardized compliance workflow: Step 1: Audit Internal Software : Identify every generative system used within your practice group and confirm its security protocols. Step 2: Require Explicit Written Leave : Ensure external expert witnesses do not utilize generative systems on report contents without prior judicial clearance. Step 3: Document AI Inputs : Maintain a secured audit log of every document and prompt template run through an internal platform. Step 4: Draft Robust AI Disclosures : Include a clear disclosure statement in your pleadings detailing any AI involvement. Step 5: Verify Citations Manually : Never allow an AI-generated authority to be submitted to court without manual verification by qualified counsel. Take the Next Step with HyperCounsel Protect your firm and clients from the risks of modern litigation by partnering with a trusted legal technology leader. HyperCounsel helps Australian practitioners navigate evolving court rules while leveraging secure AI tools to drive efficiency and protect client data. Our state-of-the-art platform operates in a highly-secured, closed-loop environment, ensuring that your firm's work product remains confidential. Gain access to transparent pricing models and litigation support systems designed to protect your practice. Secure your litigation operations today. Book a Demo with our legal tech specialists or explore our standard solutions on our Pricing Page . Frequently Asked Questions Can I use generative AI to draft an expert report in NSW courts without court approval? No. Under Practice Note SC Gen 23, NSW courts enforce a blanket prohibition on utilizing generative AI to draft or prepare the contents of expert reports without prior, explicit court leave. What must be included in an expert report if AI was used to prepare part of its content under SC Gen 23? The expert report must include a clear disclosure statement identifying the specific AI programs utilized, the parameters of the inputs submitted, the expected benefits established, and a detailed verification of the final output. How does the Federal Court's AI practice note differ from NSW Supreme Court's approach to expert reports? The Federal Court allows the use of generative systems in preparing expert reports without requiring prior leave, provided the team discloses its usage and verifies all citations. In contrast, the NSW Supreme Court enforces a default ban that requires prior court leave to utilize generative AI for report drafting. What are the risks of using AI-generated citations in legal submissions without verification in Australian courts? Attorneys who submit unverified AI-generated citations risk professional misconduct charges, severe judicial warnings, and personal adverse costs orders for failing to verify all legal authorities. Recommended HyperCounsel Australia Solutions Book a Platform Demo Flexible Fixed-Price Platform Pricing

Originally published at https://hypercounsel.ai/blog/gen-ai-in-court-nsw-rules-litigation-strategy