According to a recent study on Vietnamese patent trends by Tilleke & Gibbins, since the formation and development of the Vietnamese patent system as well as the development of a free market in Vietnam, the number of domestic patent applications has been increasing exponentially. From 1989 to 2007 (the most recent years for which complete data is available), the number of domestic patent applications increased by 435%. In 1989, only 78 domestic patent applications were filed, in contrast to the 339 applications that were filed in 2007. This article analyzes the details of this patent filing trend.