The features of courtyards as common space in courtyard style settlement of Patan City are clarified through the investigation of ownership and their uses. A block of three interconnected Buddhist monastery courtyards namely; Ilanani, Sasunani, Kwabaha was selected for the survey. Several tasks such as collection of legal documents, interview with relevant officers and residents, observation of activities in the courtyards throughout the whole day were conducted to identify the owners and the uses of courtyards during the field survey. From this study, following discoveries were made: 1) Ilanani and Sasunani are public land owned by Government whereas Kwabaha is a private land owned by its Sangha. 2) Ilanani is used for various purposes such as living space, religious space, commercial purpose, parking space and pass through space. 3) Sasunani is mainly used as living space. 4) Kwabaha is used not only as religious and sightseeing space but also as a living space for priest's family and rest area for public.
