RESTON, Va. – Joint developers TERRABROOK , Dallas, and Boston Properties have signed the law firm of Mintz, Levin, Cohn, Ferris, Glovsky and Popeo P.C. to a 67,158 sq. ft. lease at their 384,000 sq. ft. Discover Square office complex. The complex is now more than 85% leased.

The project includes two 9-story buildings and two parking decks. The 177,646 sq. ft. One Discovery Square will be completed by the end of this year. Siebel Systems has leased 110,832 sq. ft. on floors one through six, and Mintz Levin has leased 44,368 sq. ft. on the top two floors. Two Discovery Square is slated for completion by April 2002, and Mintz Levin has leased the 22,386 sq. ft. top floor of the 185,222 sq. ft. building. Gensler is the architect, and Clark Construction Group is the general contractor.