IP practitioners in Thailand received an early Christmas gift from the World Intellectual Property Organization (WIPO) that they will be able to enjoy throughout 2010 and beyond—the Patent Cooperation Treaty (PCT) came into force in Thailand on Christmas Eve, December 24, 2009. This long-awaited present delighted Thai patent owners and practitioners, as it fulfills several important needs. This article examines the procedures for and expected impact of the PCT in Thailand.