0001217093-05-000089 4 1 20050804 20050808 20050808 BOSTON PROPERTIES INC 0001037540 6798 042473675 DE 1231 800 BOYLSTON STREET SUITE 400 BOSTON MA 02199 6172363300 800 BOYLSTON STREET SUITE 400 BOSTON MA 02199 KOOP BRYAN J 0001217098 4 34 001-13087 051005834 C/O BOSTON PROPERTIES KELLI A DILUGLIO BOSTON MA 02199 4 1 edgar.xml PRIMARY DOCUMENT