CC0000: Color is not claimed as a feature of the mark.
DM0000: The mark consists of a segmented square with rounded corners, with each side divided by two L shapes facing in opposite directions, bracketing each corner of the square. The arms of the L shapes that are parallel to the outer square form another segmented square within it. The words "TETRAPHASE PHARMACEUTICALS" appear below the design element, in uppercase letters, with "PHARMACEUTICALS" in a smaller font and oriented below and to the right of "TETRAPHASE".