ジョーンズ・デイ・ニュースレター：Global Legal Update

On August 21, 2026, the Tenth Circuit granted the NCAA’s stay request in Wisne v. NCAA, temporarily restoring the NCAA’s age-based eligibility rules pending resolution of the appeal. Three weeks earlier, Judge Sweeney of the District of Colorado had issued a nationwide injunction that permitted athletes in the Class of 2022 to pursue a fifth year of eligibility.

The top ten largest class action settlements in securities cases in the U.S. have recouped tens of billions of dollars in damages.

A Fifth Circuit Court of Appeals ruling harshly criticizes a federal district judge for relying on AI-generated content in legal orders, revealing fabricated facts and poor legal analysis. The decision raises critical questions about the use of generative AI in legal practice and whether lawyers who adopt such technology are compromising their ethical obligations of competence, confidentiality, and integrity.

On the morning of July 4, 2025, catastrophic flooding on the Guadalupe River took 135 lives across the Texas Hill Country. Twenty-eight of them—25 school-aged campers, two young counselors and the camp's co-executive director—were at Camp Mystic, a century-old girls' camp near Hunt.

A federal court in California denied preliminary approval of a $2.3 million data breach settlement affecting over 220,000 individuals, finding seven critical deficiencies in the proposed agreement. The decision highlights the rigorous scrutiny courts apply to class action settlements, particularly regarding claims-made distribution processes, inadequate documentation of settlement value, and unexplained disparate treatment among class members.

Two federal courts have reached opposing conclusions on whether expert witnesses must disclose their AI prompts during discovery. While one court treats prompts as discoverable methodology, another protects them as mental impressions while requiring disclosure of AI-generated outputs the expert consulted.

A federal court rejected TikTok's attempt to use two prior nationwide class action settlements—totaling over $93 million—to dismiss new privacy claims brought by minors alleging violations of the Children's Online Privacy Protection Act. The ruling hinged on whether the current plaintiffs were demonstrably members of the earlier settlement classes based solely on the pleadings, raising critical questions about the scope and enforceability of broad settlement releases in successive privacy litiga

The U.S. Supreme Court will review a constitutional challenge to an 1868 federal law banning home distilleries, creating an opportunity to resolve a circuit split between the 5th and 6th Circuit Courts of Appeals. The case centers on whether the prohibition violates the Constitution's Taxation Clause or represents a legitimate exercise of congressional power to prevent tax evasion.

An ICC tribunal has ruled in favor of Galp in its dispute with Venture Global over the Calcasieu Pass LNG facility, finding that Venture Global breached its obligation to declare the facility operational in a timely manner. This decision adds to a series of contrasting outcomes in similar disputes involving other buyers, with damages yet to be determined in a hearing scheduled for 2027 or 2028.

A US federal court confirmed a $350 million arbitral award against the Republic of Georgia and enforced a contractual post-judgment interest rate of SOFR plus four percent, compounding monthly, rather than the lower statutory rate. The decision demonstrates how carefully drafted contractual language extending interest "after as well as before judgment" can result in substantially higher recoveries for creditors in international arbitration enforcement proceedings.

The Code is voluntary, but it will likely become an important reference point for demonstrating compliance with Article 50 of the AI Act.

The Ninth Circuit Court of Appeals vacated a preliminary injunction against Perplexity AI, determining that when an AI agent acts at a user's direction, it is the user—not the AI company—who "accesses" computer systems under federal and California computer fraud statutes. This landmark appellate decision addresses how existing computer-access laws apply to agentic artificial intelligence and has significant implications...

The New York Stock Exchange and Nasdaq are implementing overnight trading sessions starting December 6, 2026, extending the trading day to nearly 23 hours by compressing the daily pause to just one hour. While this evolution toward continuous trading introduces new considerations for corporate actions, disclosure timing, and deal execution, the practical impact varies significantly between NYSE-listed companies,

China's Supreme People's Court has issued comprehensive judicial rules addressing artificial intelligence disputes, establishing frameworks for product liability, intellectual property rights, and data protection. These landmark opinions provide critical guidance for global companies navigating AI-related legal risks in China's evolving regulatory landscape.

The Ninth Circuit has ruled that health plan participants whose confidential information was disclosed without authorization have standing to sue in federal court, even without showing financial loss or future harm. This decision, which departs from the risk-based approach many courts have applied since TransUnion, relies on the centuries-old action for breach of confidence and could have significant implications for companies' privacy commitments and data-sharing practices.

Mexico's comprehensive anti-money laundering framework has undergone a sweeping transformation through Acuerdo 115/2026, introducing mandatory risk-based methodologies, enhanced client due diligence protocols, and automated monitoring requirements. With implementation deadlines beginning March 1, 2027, obligated parties conducting vulnerable activities face compressed timelines to overhaul their compliance infrastructure while navigating heightened enforcement risks and stricter beneficial ownership thresho

The European Commission has initiated infringement procedures against 20 EU Member States for failing to transpose the EmpCo Directive by the March 27, 2026 deadline. This directive aims to combat greenwashing by requiring substantiation of environmental claims and third-party certification for sustainability labels, with full implementation expected by September 27, 2026.

The Illinois Holocaust Museum & Education Center (IHMEC) held a third program as part of its Jones Day Foundation Community Series, a special series of educational events

The European Commission has proposed replacing the EU's three core procurement directives with a single, directly applicable Regulation that would fundamentally reshape how companies compete for public contracts across Member States. The reform introduces mandatory quality criteria thresholds, embeds ESG considerations as evaluation factors, and establishes new security and European-preference provisions that could restrict participation based on ownership, supply chain exposure, and strategic dependencies.

A federal court has struck down New York's Climate Change Superfund Act, which sought to recover $75 billion from fossil fuel companies based on historical emissions. The ruling found the Act preempted by the Clean Air Act, marking the first judicial decision on state climate superfund legislation and establishing that EPA's rescission of the endangerment finding does not alter preemption analysis.