Philip B. Tan and Jason Begy teach this session of MIT's CMS.608 Game Design course, turning from assignment feedback to the basics of intellectual property as it applies to the game industry. The lecture lays out what IP protections cover in games, including copyright, trademark, and the gray areas around mechanics versus expression, and discusses how adaptations of existing franchises or media succeed when they capture distinctive aesthetics and popular elements rather than just surface branding. Reading from Brathwaite and Schreiber's Challenges for Game Designers grounds the discussion in practical design exercises. The session runs about an hour and fits into the course's broader sequence on the legal and business realities facing working game designers, following up on student assignment critiques from the prior class.