Law firm moving to McGregor Square after decades at Tabor Center Thomas Gounley photo) A downtown law firm is on the move for the first time in 35 years. Lewis Roca Rothgerber Christie has leased the entire 10th floor and the majority of the top floor in the 11-story office building within McGregor Square, the mixed-use project being completed next to Coors Field. The deal is for approximately 30,000 square feet. “New offices in the historic, vibrant ballpark district is reflective of our firm — rooted in Denver’s past and focused on its future,” Doug Tumminello, managing partner of the Denver office, said in a statement.