The global rollout of robotaxi services is accelerating rapidly, enabled by breakthroughs in artificial intelligence and supported by emerging international regulatory frameworks for Level 4 autonomous vehicles. This keynote explores how regions such as the EU, China, Germany, UK, and the United States are pioneering harmonized legal standards that define operational domains, liability, cybersecurity, and remote monitoring for Level 4 autonomy. Dive into how this evolving legal landscape, including certifications, insurance mandates, and cross-border interoperability, combines with AI advancements to unlock scalable, trustworthy robotaxi deployment worldwide. Join us to understand the intersections of technology, safety, and law shaping the future of autonomous mobility for cities and communities globally.