ISSN 1884-0760 GRACE TECHNICAL REPORTS Proceedings of the Third International Workshop on Software Patterns and Quality (SPAQu’09) Hironori Washizaki, Nobukazu Yoshioka, Eduardo B. Fernandez and Jan J¨ urjens (editors) GRACE-TR 2009–07 October 25, 2009 CENTER FOR GLOBAL RESEARCH IN ADVANCED SOFTWARE SCIENCE AND ENGINEERING NATIONAL INSTITUTE OF INFORMATICS 2-1-2 HITOTSUBASHI, CHIYODA-KU, TOKYO, JAPAN WWW page: http://grace-center.jp/