"How can I own the AR 'air rights' around my physical property?" This may be the most commonly asked legal question around AR content. It is gaining new momentum and importance today, as location-based AR finally turns a profit, and as the quest for the Open AR Cloud takes shape. Finding the answers requires crossing the boundaries of multiple legal disciplines and practical concerns, and will not always be easy. This session will equip you to understand the legal risks and give you strategies to protect the integrity of both physical space and digital expression.